Haima S5 1.5T User manual

Type
User manual
Clutch System 2A-1
Volume II Chassis System
Chapter 10 Clutch Operating System.......................................................................................................2A-1
Chapter 11 List of tires and drive shafts................................................................................................... 2B-1
Chapter 12 Wheels and tires..................................................................................................................... 2C-1
Chapter 13 Suspension system.................................................................................................................2D-1
Chapter 14 Steering system...................................................................................................................... 2E-1
Chapter 15 Brake system.......................................................................................................................... 2F-1
Clutch System 2A-1
Chapter 10 Clutch Operating System
Clutch Operating System........................................................................................................................2A-2
Cluch pedal assembly............................................................................................................................2A-2
Check of clutch pedal ...................................................................................................................2A-2
Free stroke of clutch pedal............................................................................................................2A-2
Decoupling point of clutch pedal..................................................................................................2A-2
Removal/installation of clutch pedal ............................................................................................2A-3
Removal/installation of clutch assembly pipe ..............................................................................2A-3
Clutch slave cylinder..............................................................................................................................2A-3
Removal/installation of clutch slave cylinder...............................................................................2A-3
Clutch System 2A-2
Clutch Operating System
Note:
The oil reservoir is shared by the clutch and
brake system. Provided the clutch is
disassembled in any case, add in the clutch oil
(brake oil) and drain the air, check the oil for
leakage after installing the clutch.
Cluch pedal assembly
Check of clutch pedal
As shown below, the clutch pedal assembly pedal
pad surface to the distance of the carpet:
146- 156mm (for reference)
If it’s outside the specified value, check
whether the clutch pedal and clutch master
cylinder are correctly assembled, and drain
the air out of clutch pipe.
Free stroke of clutch pedal
The free stroke of clutch pedal is the distance
required until a resisting force is felt by pressing
down the clutch pedal by hands.
Free stroke of pedal: 3 to 12mm (for reference)
Decoupling point of clutch pedal
1. Apply the parking brake, and pack the mat
wood under front and rear wheels.
2. Start the engine, and make it idling.
3. Don’t step the clutch pedal, and put the gear
lever slowly in reverse gear.
4. In case of hearing the gear noises, keep the
gear lever in position.
5. Step down the clutch pedal slowly.
6. When the noises of gear disappears, keep the
clutch pedal unchanged (decoupling point of
clutch pedal).
7. Measure the distance a (pedal stroke until the
clutch pedal decoupling point is fully stepped
down) and pedal stroke.
8. Confirm the release stroke is within the
specified value.
Total stroke: 105 to 115 mm (for reference)
Separated stroke: 50 to 60 mm (for
reference)
If it’s outside the specified value, check whether
the clutch pedal and clutch master cylinder are
correctly assembled, and drain the air out of clutch
pipe.
Free stroke of pedal
离合器系统 2A-3
Removal/installation of clutch pedal
1. Remove the drip cup hose clips , will take
over the oil cup is removed from the brake
fluid reservoir, and stoppered clutch brake
reservoir oil outlet to prevent oil spills;
2. Pull the clutch master pump connection with
the clutch master pump out the oil hose
assembly circlip, remove the clutch oil hose
assemblies, and circlip Replacing the clutch
master pump;
3. Remove the clutch pedal mounting nut , the
clutch pedal and clutch master pump be
removed from the body of the vehicle;
4. Remove the stopper pin and , separated ④⑤
from the clutch pedal to the clutch master
pump;
5. Assemble it in the reverse sequence of
removal.
6. After installing it, check the clutch pedal
again (refer to the check of clutch pedal).
Removal / installation of clutch
assembly pipe
1. From clutch master Unscrew the oil pumped out
of the hose assembly pipe clutch bolt head
, the clutch pipe with the clutch master
pump out the oil hose assembly Separated;
2. Remove the clutch slave cylinder is connected
with the clutch pipe push-in fitting
circlip, so that the two Separated, and then
replace the clutch slave cylinder circlip
3. Remove the pipe clutch mounting bolts , the
clutch assembly and pipe Separated body;
4, The clutch hose mounting adapter is unplugged
from the clutch pipe mounting bracket.
5. Assemble it in the reverse sequence of
removal.
6. After installing it, check the clutch pedal
again (refer to the check of clutch pedal).
Clutch slave cylinder
Removal/installation of clutch slave
cylinder
1. Remove the clutch slave cylinder is connected
with the clutch pipe push-in fitting circlip,
so that the two separated, and then replace the
clutch slave cylinder circlip;
2. Remove the clutch slave cylinder using the tool
to connect to the transmission bolts (below),
remove the clutch slave cylinder;
3. Assemble it in the reverse sequence of removal.
4. After installing it, check the clutch pedal again
(refer to the check of clutch pedal).
List of tires and drive shafts 2B-1
Chapter 11 List of tires and drive shafts
Common procedures...............................................................................................................................2B-2
Attentions for wheels and tires...............................................................................................................2B-2
Removal and installation of wheels and tires........................................................................................2B-2
Keypoints for removal of lock nut and cotter pin ................................................................................2B-2
Keypoints for mounting the lock nut and cotter pin............................................................................2B-2
Drive shaft................................................................................................................................................2B-2
Keypoints for removal of right drive shaft...................................................................................2B-2
Check of drive shaft ................................................................................................................................2B-2
Keypoints for removal of left drive shaft ..............................................................................................2B-2
Keypoints for installation of snap ring..................................................................................................2B-3
Keypoints for installation of right drive shaft ......................................................................................2B-3
Keypoints for installation of left drive shaft.........................................................................................2B-3
Removal and installation of drive shaft.......................................................................................2B-4
Disassembly and assembling of drive shaft...........................................................................................2B-4
Keypoints for disassembling wheel side dustproof rubber sleeve clamp............................................2B-6
Keypoints for disassembling transmission drive axle side dustproof rubber sleeve clamp..............2B-6
Keypoints for disassembling inner cage shaft.......................................................................................2B-6
Keypoints for disassembling 3-foot universal joint..............................................................................2B-6
Keypoints for disassembling dustproof rubber sleeve.........................................................................2B-6
Keypoints for assembling dustproof rubber sleeve..............................................................................2B-6
Keypoints for assembling 3-foot universal joint...................................................................................2B-6
Keypoints for assembling inner cage shaft............................................................................................2B-7
Keypoints for assembling the transmission drive axle side dustproof rubber sleeve clamp ............2B-7
Keypoints for assembling the dustproof rubber sleeve clamp on wheel side.....................................2B-7
List of tires and drive shafts 2B-2
Common procedures
Attentions for wheels and tires
Removal and installation of wheels and tires
The removal and installation steps of wheels and
tires are not mentioned in this section. In case of
removing the wheels, their tightening torque is
100-120N.m during the installation.
Keypoints for removal of lock nut and cotter
pin
1. Use flat-nose pliers remove locknut outside
cotter pin.
2. Apply a braking force to lock the hub.
3. Remove the lock nut.
Keypoints for mounting the lock nut and cotter
pin
1. Apply a braking force to lock the nut.
2. Install the new lock nut up to fixed torque of
235-255N.m. At the fixed torque, first hit it
up to the specified torque before loosening it,
and hit it up to the specified torque again.
3. Use flat-nose pliers outside the cotter pin
assembly locknut.
Drive shaft
Keypoints for removal of right drive shaft
1. Remove the steering knuckle bolt and nut.
2. Wrap the cloth on the ball joint dust cover.
3. Pry down the lower swing arm from steering
knuckle.
4. Use copper hammer tapping nuts, loosen the
drive shaft from the front hub.
5. Remove the right drive shaft bolts on the base.
6. Hold the shaft with both hands to separate the
drive shaft.
Check of drive shaft
1. Check the dustproof rubber sleeve of drive
shaft for cracks or damages, grease for
leakage or hoop for loosening.
2. Check the drive shaft for bends or cracks,
universal joint or spline for wears. If
necessary, repair or replace the drive shaft
and dustproof rubber sleeve or hoop.
Keypoints for removal of left drive shaft
1. Remove the steering knuckle bolt and nut.
2. Wrap the cloth on the dustproof rubber sleeve
of ball joint.
3. Pry the lower control arm out of steering
knuckle.
Fabric
List of tires and drive shafts 2B-3
4. Attach the spare nut to drive shaft to make the
nut flush with the end of drive shaft.
5. Hit the nut lightly with a copper hammer to
loosen the drive shaft from front hub.
6. Take the drive shaft out of hub.
Note: the sharp edge of drive shaft will scratch the
oil seal, so it’s specially careful to remove the
drive shaft from the transmission drive axle.
7. Insert a crowbar between outer ring and
transmission drive axle, and pry the left drive
shaft from transmission drive axle, as shown
in the figure below.
Keypoints for installation of snap ring
1. While attaching a new snap ring to the
connecting shaft, make the opening of snap
ring up, and ensure the diameter of snap ring
shall not exceed the specified value in
installation technology requirements.
2. After the installation, measure the outer
diameter of snap ring. If it exceeds the
specified value, additionally renew a snap
ring, and repeat Steps 1-2.
Technical requirements for snap ring outer
diameter:
26.1±0.2mm
Keypoints for installation of right drive
shaft
Note:
The sharp edges of connecting shaft may scratch
the oil seal, so it should be specially careful to
install the drive shaft into the transmission drive
axle.
1. Apply ATF to the lip of oil seal.
2. Pus
h the right drive shaft into the
transmission drive axle.
3. Fixed bearing bolts on the carriage.
4. Insert the right drive shaft into the hub..
5. The lower control arm ball joint to the
knuckle is placed in the corresponding holes
and fixing bolts and nuts.
Keypoints for installation of left drive
shaft
1. Insert the left drive shaft into the hub.
2. Apply ATF to the lip of oil seal.
3. Push the drive shaft into the transmission
drive axle.
4. After the installation, draw the outer ring on
one end of transmission drive axle forward,
and confirm that the drive shaft is locked by
the snap ring.
5. The lower control arm ball joint to the knuckle
is placed in the corresponding holes and fixing
bolts and nuts.
Cloth
Opening
Snap ring
Outer diameter
List of tires and drive shafts 2B-4
Removal and installation of drive shaft
Note:
You must first remove the ABS wheel speed
sensor before the following procedures. There
may be a mistake to pull the wire harness
operations caused interruption. Therefore,
when advised to ABS wheel speed sensor
bridge ends removed and placed in the right
position to ensure that it will not be mistaken
for pulling the vehicle repair process.
. Drain all the oil out of transmission drive axle.
. Remove the hub of steering knuckle.
. Remove it in the sequence shown in the table.
. Install it in the reverse sequence of removal.
1 Lock nut
Refer to the keypoints for removal of M lock nut. Refer to the keypoints for installation of
M lock nut.
2 Ball joint of steering tie rod end socket
Refer to the keypoints for steering tie rod end socket ball joint.
3 Lower control arm ball joint
4 Right drive shaft
Refer to the keypoints for removal and installation of M drive shaft.
5 Bolt
6 Left drive shaft
Refer to the keypoints for removal and installation of M drive shaft..
7 Snap ring
Refer to the keypoints for installation of M snap ring.
List of tires and drive shafts 2B-5
Disassembly and assembling of drive shaft
1. Disassemble it in the sequence shown in the
table.
2. Assemble it in the reverse sequence of
disassembly.
1 Wheel side dustproof rubber sleeve clamp
Refer to the keypoints for disassembling M wheel side dustproof rubber sleeve clamp. Refer
to the keypoints for assembling M wheel side dustproof rubber sleeve clamp.
2 Transmission drive axle side dustproof rubber sleeve clamp
Refer to the keypoints for disassembling M transmission drive axle side dustproof rubber
sleeve clamp. Refer to the keypoints for assembling M transmission drive axle side dustproof
rubber sleeve clamp.
3 Inner Cage shaft
Refer to the keypoints for disassembling M inner Cage shaft.
Refer to the keypoints for assembling M inner Cage shaft
4 Snap ring
5 Six-ball universal joint
Refer to the keypoints for disassembling M 3-foot universal joint. Refer to the keypoints for
assembling M 3-foot universal joint.
6 Dustproof rubber sleeve
Refer to the keypoints for disassembling M dustproof rubber sleeve. Refer to the keypoints for
assembling M dustproof rubber sleeve.
7 Outside the Cage and ball joint assembly
List of tires and drive shafts 2B-6
Keypoints for disassembling wheel side
dustproof rubber sleeve clamp
Note
Only when the dustproof rubber sleeve clamp is
replaced, it’s required to remove the dustproof
rubber sleeve clamp with clamp forceps and scrap
it, as shown in the figure below.
Keypoints for disassembling transmission drive
axle side dustproof rubber sleeve clamp
1. Use tongs to remove and discard the dust sleeve
clamps.
Keypoints for disassembling inner cage shaft
1. Make a mark for correct assembling on the
inner cage shaft.
2. Remove the inner ring Cage port site.
3. Remove the inner cage shaft.
Keypoints for disassembling 6-ball universal
joint
Note: make the mark with paint, and don’t punch
the mark.
1. For the purpose of correct assembly, make the
mark on the shaft and 6-ball universal joint.
2. Remove the stop ring with clip forceps.
3. Remove 6-ball universal joint from the shaft.
Keypoints for disassembling dustproof rubber
sleeve
Note: unless it’s necessary to replace the dustproof
rubber sleeve ball joint and shaft assembly, don’t
remove the dustproof rubber sleeve on wheel side
under common conditions; remove the paper tape
after assembling the dustproof rubber sleeve.
1. Wrap the spline of shaft with a tape.
2. Remove the dustproof rubber sleeve.
Keypoints for assembling dustproof rubber
sleeve
Note: the dustproof rubber sleeves are different
from each other on wheel side and transmission
drive axle side; apply the specified grease supplied
in kits of dustproof rubber sleeve.
1. Apply the specified grease to the dustproof
rubber sleeve on wheel side.
Filling capacity: 110-1310 g {3.82- 4.59oz}
2. Since the spline of shaft has been wrapped
Mark
Pa
p
er ta
p
e
List of tires and drive shafts 2B-7
with a taper during the removal, the dustproof
rubber sleeve can be mounted at this time.
3. Remove the tape.
Keypoints for assembling 6-ball universal joint
1. nstall 6-ball universal joint with a crowbar
and hammer by aligning to the mark;
2. Install the new stop ring with clip forceps.
Keypoints for assembling inner cage shaft
Note: apply the specified grease supplied in kits of
dustproof rubber sleeves.
1. Apply the specified grease to the outer ring
and transmission drive axle side dustproof
rubber sleeve;
Filling capacity of grease:110-130g {3.82-4.59oz}
2. Assemble the inner cage shaft;
3. Cage port installed in the parts of the ring.
4. Wrap the head of screwdriver with a cloth,
then lift up the small end of each dustproof
rubber sleeve carefully, and drain the air
remaining in dustproof rubber sleeve.
Keypoints for assembling the transmission drive
axle side dustproof rubber sleeve clamp
Note: the new hoop must be used every time. The
wrapping direction of hoop should be reverse to
forward rotation direction of drive shaft.
1. After wrapping the hoop by a turn, clamp it
with clip forceps;
2. Lock the hoop with a locking clamp;
Keypoints for assembling the dustproof rubber
sleeve clamp on wheel side
1. Turn SST adjusting bolt to adjust the
clearance A.
2. Lock the small dustproof rubber sleeve clamp
on wheel side with SST, and ensure the
clearance B conforms to the provisions for
technical requirements. If the clearance B
exceeds the specified value, reduce the
clearance A of SST, and re-lock the dustproof
rubber sleeve. If the clearance B is below the
specified value, replace the dustproof rubber
sleeve clamp, increase the clearance A of SST,
and lock the new dustproof rubber sleeve;
Clearance B:1.2-2.5 mm {0.047-0.098 in}
3. Ensure the dustproof rubber sleeve clamp
shall not be outside the clip mounting area. If
any of above cases occurs, replace the hoop,
and repeat Steps 2 and 3;
4. Fill in the dustproof rubber sleeve with the
grease supplied in repair kits;
5. Turn SST adjusting bolt to adjust the
clearance A.
Adjusting screw
List of tires and drive shafts 2B-8
6. Lock the big dustproof rubber sleeve clamp
on wheel side with SST;
7. Ensure the clearance B conforms to the
provisions for technical requirements;
If the clearance B exceeds the specified value,
reduce the clearance A of SST, and re-lock the
dustproof rubber sleeve. If the clearance B is
below the specified value, replace the dustproof
rubber sleeve clamp, increase the clearance A of
SST, and turn the edges of new dustproof rubber
sleeve up to clearance B: 1.2-2.5 mm {0.047-0.098
in};
8. Ensure the dustproof rubber sleeve clamp is
not outside the hoop mounting area. If any of
above cases occurs, replace the hoop, and
repeat Steps 7 and 8.
Wheels and tires 2C-1
Chapter 12 Wheels and tires
Description and operation......................................................................................................................2C-2
Tires.............................................................................................................................................. 2C-2
Tire rotation .................................................................................................................................. 2C-3
All season tire ............................................................................................................................... 2C-3
Tire label....................................................................................................................................... 2C-3
Spare tire....................................................................................................................................... 2C-3
Wheel............................................................................................................................................ 2C-3
Tire pressure ................................................................................................................................. 2C-4
Tire rotation .................................................................................................................................. 2C-4
Wheel balance............................................................................................................................... 2C-4
Diagnostic data and procedures.............................................................................................................2C-4
Tire wears ..................................................................................................................................... 2C-4
Irregular or excessive wears of tire............................................................................................... 2C-5
Repair instructions.............................................................................................................................2C-6
Wheel repair instructions.............................................................................................................. 2C-6
Instructions for tire size and air pressure...................................................................................... 2C-7
Installation / disassembly of tire pressure monitoring hosts......................................................... 2C-8
Tire pressure sensor installation / removal ................................................................................... 2C-8
Precautions.................................................................................................................................... 2C-9
Function Display Interface............................................................................................................... 2C-10
Function Display Interface Description...................................................................................... 2C-10
Troubleshooting.......................................................................................................................... 2C-12
Wheels and tires 2C-2
Description and operation
Tires
Tread
The portion contacting the road surface outside the
buffer layer and tire body. It’s made of high wear-
resistant rubber. Its operation is determined by its
surface details.
Buffer layer
The fabric layer between the tread and tire body is
used to prevent the damages of tires caused by
road impacts and vibration.
Tire body
This main portion is a tire-like structure consisting
of high-strength synthetic fiber cord fabric. Since it
must maintain the tire pressure and bear all the
loads and vibrations of tires, so it must have high
fatigue-resistant properties.
Tire bead
The steel wire coil on ends of tire body, which is
covered with rubber layers and wrapped with
nylon threads. It’s used to fix the tire on the rim.
Tire tube
The most tires applied in modern vehicles are
tubeless tires.
Sidewall of tire
It’s used to protect the tire body, flexing resistant
and improve the driving comfort.
Tire
Structure of tubeless tire
215 Width (mm)
65
Flatness rate 65%
(Height/width)×100
R Radial tire
16
Rim diameter
(Inner diameter of tire,
feet)
102 Max. load index
215/65R16
102H
H Max. speed rating
215 Width (mm)
60
Flatness rate 65%
(Height/width)×100
R Radial tire
17
Rim diameter
(Inner diameter of tire,
feet)
96 Max. load index
215/60R17
96H
H Max. speed rating
Tire hydroplaning
When the vehicle is driving on the road surface
with water at high speed, it will make the tires
unable to drive like rolling on the good road
surface, thus the tires may float on it. This is called
as tire hydroplaning.It will cause the failure of
Buffer layer
Tread
Sidewall
Tire body
Tire bead
Inflating
valve
Width
Outer
diameter
Inner
diameter
Height
Width
Wheels and tires 2C-3
brake, low friction force and steering failure, so
it’s very dangerous.
Standing wave
During the rotation of tires, the tread will produce
the repeated deformations and restoring torques.
However, the new deformation has been produced
and the previous deformation still exists at higher
speed, so a vibration wave will be produced on
local part of tread. The lower the tire pressure is,
the more serious its vibration wave is, especially at
high speed.
Tire rotation
As indicated in the tire performance criteria (TPC),
the numbers have been engraved in the tire side
mold near to tire size. It indicates that these
numbers include the traction force index, strength,
size and rolling resistance conforming to the
criteria. Generally speaking, each size of tire shall
have different TPC numbers.
Note: Don’t use different types of tires on the
same vehicle, e.g.radial tire and bias tire, except in
emergency cases, because the vehicle will be
seriously influenced, and it may cause the control
failure of vehicle.
Replace the original tires with the tires of the same
size, load and structure. The use of other sizes or
structures of tires will seriously influence the ride
comfort, steering properties, speedometer /
mileometer values, vehicle ground clearance, and
clearance from tire to vehicle body or chassis. But
it’s not applicable for spare tires.
It’s recommended to replace a pair of tires on the
same shaft synchronously during the renewal of
tires.
If it’s required to replace a tire, find a nearest tread
to compensate the braking coefficients.
Different producers design different tread patterns,
but the same TPC number may be used on the
same vehicle.
All season tire
Now, most of vehicles are equipped with all season
PCR tires as standard configurations. These tires
can be used as snow tires. During the use in the
snow, their average ratio is 37% higher than
friction coefficient of non-all season tires. In other
aspects, e.g.their wet water friction coefficient,
rolling resistance, tread service life and air
resistance are all improved, because the design of
tread patterns and tread compound are also
improved. These tires have “M+S” engraved
behind their tire side marked size codes. The suffix
“MS” is also engraved behind the instructions for
tire side TPC numbers.
Not all the steering wheel tires are all season tires.
These tires have no “MS” marks behind the tire
sizes or behind the instructions for TPC numbers.
Tire label
The tire labels shall be permanently affixed behind
the side door of driver’s seat, and the tires shall be
inflated as per the above tire pressure. The
maximum vehicle load, tire specifications
(including the spare tire) and inflating pressure
((including the spare tire) are described on the tire
labels.
Spare tire
This vehicle is equipped with full-size wheels and
spare tires on it.
Wheel
If any of the following cases occur to the wheels,
they must be replaced: bends, indentions, flanging
or deflected jumps, air leakage of weld joints,
enlargement of bolt holes, or fixing failure or
serious rusting of bolts. The jumps of wheel
transition will cause the vibration of vehicle. Any
replaced wheel must have the same load, diameter,
rim width, offset distance and mounting size as
those of original wheel. The inconformity of wheel
size or type will influence the service life of wheel
High-speed driving Low-speed driving
Wheels and tires 2C-4
and bearing, cooling of brake, readings of
speedometer/kilometer, vehicle ground clearance,
and clearance from tire to vehicle body and chassis.
Tire pressure
The recommended air pressure of any vehicle tire
shall be carefully calculated, which will give your
driving/ride comfort, good steering ability, extend
the service life of tire, and ensure its loading
capacity.
Check the tire every 5,000km. The tire pressure
must be checked every month or before driving it
for long distance. The tire must be checked at low
temperature, i.e. when the vehicle drives for about
3 minutes or at less than 1. 6km/hour. Inflate the
tire as per the air pressure indicated in the tire label
on driver’s seat side door. The inflation pressure of
tire has been given in “Instructions for Tire
Specifications and Inflation Pressure” of this
section.
The inflating valve must have a nut cap on it,
which is used to prevent the dust and water from
entering into it.
The air pressure above the recommended pressure
will lead to:
Harder ride and driving
Explosion or damages of tire
Rapid wears of tread in the middle of tire
The air pressure below the recommended pressure
will lead to:
Large noises while turning
Difficult steering
Rapid or uneven wears of both sides of tire
Scratches or cutting of tire edges
Fracture of tire cord
At higher tire temperature, its different tire
pressure on the same shaft will lead to:
Uneven braking force
Heavy steering
Reduction of handling stability
Sudden steering during the acceleration
Direction of torque control
Tire rotation
Front and rear tires have different functions and
will lead to uneven wears, which is determined by
road surfaces for driving and different driving
habits,etc. The wear rate of front wheel tire is
below that of rear wheel tire.
In order to avoid uneven wears of tire and extend
its service life, rotate the tire every 10,000km.
After rotating the tire, adjust its air pressure, and
ensure that the torque of hub nut meets the
specified requirements.
Minimum pattern depth
1.6mm(0.06 inch)
Wheel balance
It’s a simple process to check the wheel balance. If
the wheel jumps at high speed, it shall be first
checked by you. During the replacement of wheels
and tires, their balances must be checked.
While checking the wheel balance, be sure to
follow the rules below:
The number of balance blocks shall not
exceed two on inner or outer side of one
wheel;
The total weight of one wheel balance block
shall not exceed 100g (3.5 ounce);
Diagnostic data and procedures
Tire wears
Check the depth of tire pattern.
If the depth of its pattern is below the given
value, please replace the tire.
It can be seen from the specifications that the tire
must be replaced when the depth of tire pattern is
reduced (below 1. 6mm (0. 06 inch)).
Wheels and tires 2C-5
Irregular or excessive wears of tire
Fault Possible causes Corrective measures
Overlow tire pressure
Improper tire rotation
Adjust the tire pressure.
Rotate the tire.
Overhigh tire pressure
Improper tire rotation
Adjust the tire pressure.
Rotate the tire.
Improper toe-in Adjust the toe-in.
Reverse toe-in Adjust the toe-in.
Improper kingpin caster angle
or improper front-wheel
camber
Suspension failure
Improper wheel balance
Improper tire rotation
Check the steering knuckle,
control connecting rod, drive
shaft and suspension. Replace
if necessary.
Adjust the balance of wheel.
Rotate the tire.
Wheels and tires 2C-6
Repair instructions
Wheel repair instructions
I. Sequence of removal
Remove the hub nut;
Lift the wheel stably.
Note: don’t loosen the tightened wheel by heating
it. It will shorten the service life of wheel, hub nut
and wheel bearing. Excessive force application, e.g.
hitting the wheel or tire, will also cause the
damages, which can’t be recovered. It’s allowed to
hit the sides of wheel slightly with a hand or
rubber hammer.
Remove the wheel.
If it’s difficult to remove the wheel from the
vehicle, it may be caused by the existence of
sundries or excessive close fit among the wheel
middle holes, nuts and hubs. At this time, the
wheel can be removed from the vehicle by
adopting the following methods:
A. Re-tighten any influenced hub nut, and then
turn the hub nut two circles in its loosening
direction.
B. Lower the vehicle, try to shake the vehicle,
and adopt the weight of one or several
persons to loosen the wheel.
C. Lift up the vehicle again, and then remove the
wheel.
Note: don’t apply the lubricating oil to vertical
surface of wheel and hub (or brake disc), because
the existence of lubricating oil in these positions
will lead to the wheel loosening when the vehicle
is driven, control failure of vehicle and even
serious accidents. The lubricating oil is not good
for removal of tightened wheel. If the lubricating
oil is required, don’t apply too much oil, and only
to the centerhole area of wheel.
II. Sequence of installation
Note: before installing the wheel, please remove
the sundries from the mounting faces of wheel,
brake drum and hub with a hairbrush. If the surface
contact is poor during the installation, it will
loosen the hub nut. While the vehicle is driving,
there may be a risk of disengaging the wheel from
the vehicle. The hub nut must be tightened as per
the specified torque, but its tightening force shall
not be excessive, thus the bends of wheel, brake
drum or hub can be avoided.
Install the wheel.
Install the hub nuts in diagonal order. Don’t
tighten the hub nut.
Lower the vehicle.
Tighten it.
Tighten the hub nuts up to the torque of 100 to 120
N.m (73.3 to 88.3 lb-ft).
Wheel balance
Measure the balance of wheel with an automatic
balancing machine. The balancing machine is
convenient in operation, its static and dynamic
balance can be also measured. Unlike the balance
of vehicle, don’t calibrate the unbalance of vehicle,
brake drum or hub. This defect can be resolved by
precision. During the balancing work, make the
taper part through the wheel center hole to fix the
wheel, and don’t do so through the mounting hole
of hub nut.
Calibrate the unbalanced tire.
Provide two methods to calibrate the unbalanced
Wheels and tires 2C-7
tire.
One method is to fix the tire through this automatic
device, and then hit small yellow rubber blocks on
both sides of tire tread. Such calibration method is
usually permanent.
If it’s well handled, it won’t influence its
appearance or tire service life.
It’s not recommended to calibrate any tire with a
blade-shape machine, because it can reduce the
service life of tire tread, and the tire can’t be
permanently calibrated.
The other method is to remove the tire, and then
turn it by 180 on the rim. The unbalance of wheel
or tire must be known before doing so, because
this method can ensure the balance of its assembly.
Installation of tire and wheel
The tire and wheel shall be installed in the
assembling workshop. During the installation,
install them by aligning the radial hard point or
heavy balancing point of tire to the radial dot or
light balancing point of wheel.
The heavy balancing point of tire is marked with a
red dot during the start of its production, or marked
on the tire side with a label.
The light balancing point of wheel is located at the
inflating valve.
Before installing the tire and wheel, scribe a line
on the tire and inflating valve to ensure that they
can be installed in the same position during the re-
installation.
The quality of spare tire and original tire shall be
the same, and their heavy and light points shall be
marked with the same method.
Instructions
Instructions for tire size and air pressure
Inflation pressure
Front Rear
Tire Wheel
kPa psi kPa psi
215/65
R16
16×5. 5J
aluminum)
230 33 210 31
215/60
R17
17×6.5J
(aluminum)
230 33 210 31
Instru`ctions for converting the inflation
pressure
kPa psi kPa psi kPa psi
140 20 186 27 234 34
145 21 193 28 241 35
152 22 200 29 248 36
159 23 207 30 276 40
166 24 214 31 310 45
172 25 220 32 345 50
179 26 228 33 379 55
Instructions for tightening torque
Type
N.m Ib.Ft Ib.In
Hub
nut(aluminu
m alloy
wheel)
100 to
120
66 to 81
Hub
nut(steel
wheel)
100 to
120
66 to 81
Wheels and tires 2C-8
Installation / disassembly of tire pressure
monitoring hosts
1. Remove the battery negative connection.
2. Disconnect the tire pressure monitoring host.
3. Use a wrench to tire pressure monitoring hosts and
mounting bracket removed from the car body.
4. In the order shown in the table demolition;
5. According to and reverse order of removal
installation.
Tire pressure sensor installation / removal
1. Remove the tire;
2. Remove the tire casing:
3. In the order shown in the table demolition;
4. According to and reverse order of removal
installation.
1 Dust cup
2Hex nuts
3 Metal gasket
4Sensor
1 Harness connector
2 Mounting bolts
3 tire pressure monitoring host with
bracket
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Haima S5 1.5T User manual

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User manual

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