MDP-4806C
IMPORTANT NOTICE
THINGS TO DO BEFORE OPERATING
YOUR NEW COMPRESSOR FOR THE FIRST TIME
1. On the top fro n t o f t h e c o m p ressor you will find a
white plastic shipping plug inserted into the Oil
Filler H o l e . R e m o v e t h e s h i p p i n g p l u g a n d replace by
pressing t h e red Oil Filler Plug (supplied in the p a r t s b a g )
into the Oil Filler H o l e .
2. Also,supplied in the parts bag you will f i n d a b l a c k
Air B reather Assembly. S c rew the assembly into the hole
on the side and at.the top of the Compr
essor H e a d .
3. Using the Sight-Glass built into the lower front area
of the Compressor (just behind the Regulator) , check the
Oil Level. It should be at the halfway mark on the Sight
Glass for normal operation. If it is necessary to add oil,
please use any standard air compressor oil available at
Home Centers and other major retailers.
4. There a re two Air O u tlet Fitti ngs on the R e gulator.
Air flow for one fitt ing is opera ted by turn i ng the
Regula tor Han d le. Th e othe
r i s a fre e flow directly from the
tank. S crew e ither a metal cap o r a qui c k-coupler (not
suppli e d) onto the free-f l owing fitt i ng before startin g the
Compressor. U s e nylon thread-sea l tape when w orking with
air fittings t o prev e nt leakage .
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CONTENTS
1、INTRODUCTION………………………………………………2
2、SAFETY GUIDELINES ………………………………………2
3、BRIEF DESCRIPTION ………………………………………4
4、GENERAL VIEW AND MAIN COMPONETS …………… 4
5、MAIN TECHNICAL PARAMETER…………………………4
6、PREPARATION FOR STARTING ………………………… 5
7、OPERATION AND ADJUSTMENT ……………………… 5
8、CAUTIONS …………………………………………………… 6
…………………………………………………6
9、MAINTENANCE
10、TROUBLES AND REMEDIES……………………………… 7
11、PARTS ILLUSTRATION……………………………………8
PARTS LIST……………………………………………………9
12、LIST OF GOODS………………………………………………9
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1.INTRODUCTION
2.SAFETY GUIDELINES
Read this manual carefully before operating or servicing this, air compressor to
familiarize yourself with proper safety, operation, and main tenance procedures.
Failure to comply with instructions in this manual could result in personal injury,
property damage, and/or voiding of your warranty. Following the instructions in
this manual will provide a longer and safer service life for you air compressor.
DANGER-AN IMMEDIATE HAZARD THAT WILL
CAUSE SERIOUS INJURY OR LOSS OF LIFE.
1 . To reduce the r isk of fire or explosion , never s p r a y flammable liquids
in a confinded area. It is normal for the motor and pressure switch to produce
sparks while operating. If sparks come into contact with vapors from gasoline
o
r other solvente, they, may ignite causing fire or explosion, Always operate
the compressor in a well- ventilated area, Do not smoke while spraying. Do
not spray where sparks or flame are present, Keep compressor as far from
spray area as possible.
2. T he solve nts Trichloroeth ane and Methyl ene Chlor ide can c h e m i-
cally react with aluminum used in paint spray guns, paint pumps, etc,
and cause an explosion, If you are using these solvents, use only stainle
ss
steel spray equipment. This does not affect your air compressor, but
many affect the equipment being used.
3. Ne ver dire c tly inb ale the compres sed air produ ced by a c o m p-
ressor. It is not suitable for breathing purposes.
WARNING-A POTENTIAL HAZARD THAT COULD
CAUSE SERIOUS INJURY OR LOSS OF LIFE.
1. D o not w e ld on t he ai r ta nk of t h is compress or. Weld i ng on the
air compressor tank strength and cause an extremely hazardous
condition. Welding on the tank in any manner will void the warranty.
2 . Ne v er us
e an elect ric a ir compres sor outdo ors wh en i t is raining
or on a wet surface, as it many cause an electric shock.
3 . T h is u nit sta rts automatica l ly. ALWA Y S sh ut off t he compressor,
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remove the plug from the outletr, and bleed all pressure from the
system before servicing the compressor, and when the compressor is
not in use.
4. Chcck the manufacturer'rs maximum pressure rating for air t o o ls
and accessories. Compressor outlet pressure must be regu lated so as to
never exceed the maximum pressure rating of the tool.
5. H igh temperatu r es a nd mov i ng pa rts a re pres e nt un d er the s h r oud.
To prevent burns or other injuries, D
O NOT operate with the shroud
removed. Allow the copmpressor parts to cool before handling or
servicing.
6. Be cert a in to re ad all lab els wh en y ou are spray i ng pain ts or toxic
materials, and follow the safety instructions. Use a respirator mask if
there is a chance of inhaling anything you are spraying. Read all
insrtuctions and be sure that your respirator mask will protect you.
7. Alw a ys w e ar saf e ty gogg les or glas s es wh en usi ng an air c
o m pressor.
Never point any nozzle or sprayer toward a person or any part of the
body.
8. D o n ot adj u st the press ure swi t ch or re l ief va lve f or a ny reason, D o i ng
so voids all warraanties, They have been pre-set at the factory for the
maxinum pressure of this unit.
CAUTION-A POTENTIALL HAZARD THAT MAY CAUSE
MODERA TE INJU RY O R DAMA GE TO EQUIPMENT.
1. Dr a in t h e mosit u re fr o m t h e ta nk on a da ily ba s i s. A clean,
dry tank will help prevent corrosion.
2. P u ll t he press u re re l ief va l ve r i n g da ily to ens u re t h at t he valve
is functioning properly, and to clear the valve of any possible Obstructions.
3. T o prov i de pro p er ventilat i on f or cooli n g, t he compres s or must
be
kept a minimum of 31cm(12 inches) form the nearest wall, in a
well-ventilated area.
4. Fast en t he compres s or do w n secur ely if transport i ng is n e c essary,
Pressure must be released from the tank before transporting.
5. Prot ect t he air h o se a nd elect ric co rd fr o m dam a ge and p u n cture.
Inspect them weekly for weak or worn spots, and replace if necessary.
WARNING!
DISCONNECT POWER AND RELE ASE ALL
PRESSURE FROM THE SYSTEM BEFORE
ATTEMPTING TO INSTALL, SERVICE,
RELOCATE OR PERFORM ANY
MAINTENANCE.
1. Follow all local electrical and safety codes as
well as National Electrical Codes( NEC ) and
Occupational Safety and Health Act (OSHA).
2. Electric motors and starters must be securely
and adequately grounded using a three-pronged
Outlet.
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3、BRIEF DESCRIPTION
4、GENERAL VIEW AND MAIN COMPONENTS(Fig.1)
5、MAIN THCHNICAL PARAMETER
This micro air compressor is of novel design and excellent workmanship,Having the
advantages of compact constrction,fine apearance,light weight,easy operation,high sa-
fety andlow noise,it can be widely used in machinery,chemical industy, spray and dec-
oration, automatic control system and other fields where compressed air is required.
(1)Main compressor
(2)Pressure switch
(3)Outlet Valve
(4)Regulating Valve
(5)Pressure gauge
(6)One-way Valve
(7)Drain cock
(8)Wheel
(9)Discharge pipe
(10)Air tank
(11)Fan cover
1
2
3
4
5
6
7
8
9
10
11
Fig.1
Model
Power
Voltage
Frequency
Current
Rated Speed
Displacement
Max.Working Pressure
Tank Capacity
Net Weight
L×W×H(cm)
MDP-4806C
2HP/2.5HP/3HP
110V
60Hz
17A/17.5A
3430 RPM / 2859 RPM
156L/min | 207L/min | 248L/min
0.8MPa
24L
26kg
58×28×64
24L
26kg
55×31.5×62.5
30L
30kg
62×28×62.5
40L
32kg
71×31.5×66
50L
38kg
75.5×32.5×66.5
50L
38kg
74.5×33×63.5
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6、PREPARATION FOR STARTING
7、OPERATION AND ADJUSTMENT
(1)The place to set the compressor should be clean,dry and ventilated.
(2)Keep the use voltage within ±5% of rated.
(3)Keep the oil level in the red circle leveler.
(4)Recommend compressor oil use SAE30 or L-DAB 100 over 10℃,and use SAE10 or
L-DAB68 be low 10 ℃.
(5)Open the outlet valve,set the knob of pressure switch in position on (Fig.2),let the
compressor ru n 10 m inutes wi th no lo ad to en sure lu br
icating th e m oving pa rts be fore re gular
serivce.
(1)Th e compress or is comtrolle d b y pressu re switc h whe n norm al working .It ca n b e stoped
automatically as pressure in creasing to the maximun and restart as pressure decreasing to the
minimun. The rated pressure has been adjusted when produced.Don't
change it carelessly.As soon
as motor switched off the compressed air in the discharge pipe should be released through the
release valve under the switch.This is the necessary condition for restart,or the motor will be
damaged.The rated pressure can be adjusted by turning the adjusting bolt of the switch(Fig,2).
( 2) Th e outp ut pressu re of compresse d a ir ca n b e adjuste d b y regulatin g valve.(Fig,2).
( 3) Whe n th e comprss or in runnin g nee d b e stopped,on ly s et th e kno b of pressu re switc h in
position off.
Knob
Discharge Valve
Adjusting Screw
H
L
Regulating Valve
Safety Valve
Fig.2
ON
OFF
l
v
e
e
w
L
O
F
F
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8、CAUTIONS
9、MAINTENANCE
(1)Put the cover off first and put on the breath
pipe an d air fil ter be fore the co mpressor ru n(Fig.3).
(2)Never unscrew any connecting part when the
tank is i n pr essure co ndition.
(3)Never disassemble any electrical part before
disconnecting the plu g.
(4)Never adjust the safety valve carelessly.
(5)Never use the compressor in place where
voltage is t oo low or too hig h.
(6)Never use electric wire more than 5m lon
g
with les s tha n the sec tion sh own in tab le 1.
(7)Never disdconnect the plug to stop compressor, set the switch knob in position
off ins tead.
(8)If the release valve doesn't
work as motor stopped,find the cause immediately
so as no t to da mage mo tor.
(9)Lubricating oil must be clean,oil level should be kept in the red circle of leveler
(10)Disconnect the plug to cut off power supply and open the outlet valve.
Table 1
Motor output
(HP/kw)
1/0.75
1.5/1.1
2/1.5
2.5/2
100V/110V/120V
2
Wire(mm )
1.5
1.5
1.5
2.0
Fuse(A)
16
16
16
20
Single-phase
(1)Clean crankcase and renew lubricating
oil aft er the fir st 10 wo rking ho urs.
(2)Clean the oil level after every 20 working
hours, an d rep lenish if n e cessary(Fig.4).
(3)Open drain cock under the tank to exhaust
condensate aft er ev ery 60 wo rking ho urs.
(4)Clean crankcase and renew the oil, clean
air fil ter, an d ch eck saf ety va lve an d pr essure ga uge.
Air filter
Breath Pipe
Fig.3
Fig.4
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10、TROUBLES AND REMEDIES
Table 2
Trouble
Possble causes
Remedies
Mortor unable
running,
Running too
Slow, or
Getting hot
Sticking of
main
compressor
Tarrible shake
Or abnormal
noise
Pressure
insufficient or
discharge
capacity
decreased
The oil
Consumption
too excessive
(1)Fault in line,or voltage insufficient
(2)Power wire too thin or too long
(3)Fault in pressure switch
(4)Fault in motor
(5)Sticking of main compressor
(1)Moving parts burnt due to the oil
insufficient
(2)Moving parts damaged,or stuck b
y
foreign body
(1)Connecting part loosed
(2)Foreign body got into main
compressor
(3)Piston knocking valve seat
(4)Moving parts seriously worn
(1)Mortor running too slow
(2)Air filter choked up
(3)Leakage of safety valve
(4)Leakage of discharge pipe
(5)Sealing gasket damaged
(6)Valve plate damaged,carbon buildup
or stuck
(7)Piston ring and cylinder worn of
damaged
(1)Oil level too high
(2)Breath pipe choked up
(3)Piston ring and cylinder worn or
damaged
(1)Keep the level within set range
(2)Check and clean
(3)Repain or r
eplace
(1)Check the line
(2)Replace the wire
(3)Repair or replace
(4)Repair or replace
(5)Check and repair
Check crankshaft,bearing,connecting
rod,piston,piton ring, etc.and replace
if necessary
(1)Check and retighten
(2)Check and clean away
(3)Replace with thicker paper gasket
(4)Repair or replace
(1)Check and remedy
(2)Clean or replace the cartridge
(3)Check and adjust
(4)Check and repair
(5)Check and replace
(6)Replace and clean
(7)Repair or replace
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11、PARTS ILLUSTRATION
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1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
Designation
Q'ty
No
Bolt M8×110
Cylinder head
Cylinder head gasket
Valve plate
Valve gasket
Cylinder
Cylinder gasket
Piston ring
Piston pin
Piston
Handhold
Breath pipe
Connecting rod
Rubber gasket
Screw m5×14
Crank case cover
Oil leveler washer
Oil leveler
Bolt M8×22-right
Crank
Crank case
Sealing ring
Brearing 6204RS
Brearing 6202RS
Motor bracket
3
1
2
1
1
1
1
1
1
1
6
1
1
4
4
1
1
1
1
2
1
1
1
1
1
1
1
1
1
1
1
4
4
1
1
36
37
38
39
40
41
42
43
4
4
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
1
1
1
1
2
2
4
4
4
4
2
1
1
1
1
2
2
2
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Circlip
Locating pin
Valve clack
Air filter
Designation
Q'ty
No
Spring
Nut M8
Capacitor
Fan
Fan cover
Locating pin
Discharge pipe
Release pipe
Pressure switch
Pressure gauge
Unilateralism valve
Air tank
Bolt M8 25×
Washer foot
Washer 8
Nut 8
Drain cock
Wheel
Rotor
Spring
Balt
Spring
Screw
Screw
Hex Belt
Hex Belt
Washer
Stem
Elbow
Nut M8
Nut
Spring
Axle
Quick coupling
Regulator Valve
Pressure gauge
Connector
Safety valve
Plug
Spring
12、LIST OF GOODS
No
1
2
3
4
5
Designation
Air compressor
Air filter
Breath pipe
Rubber gasket
Operation manual
Qty
1
1
1
1
1
Stator
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