COPYRIGHT © JUNE 2003 BY GRIZZLY INDUSTRIAL, INC.
WARNING: NO PORTION OF THIS MANUAL MAY BE REPRODUCED IN ANY SHAPE
OR FORM WITHOUT THE WRITTEN APPROVAL OF GRIZZLY INDUSTRIAL, INC.
#509703624 PRINTED IN TAIWAN
18" WIDE BELT SANDER
MODEL G0527
INSTRUCTION MANUAL
WARNING
Some dust created by power sanding, sawing, grind-
ing, drilling, and other construction activities contains
chemicals known to the State of California to cause
cancer, birth defects or other reproductive harm.
Some examples of these chemicals are:
• Lead from lead-based paints.
• Crystalline silica from bricks, cement, and
other masonry products.
• Arsenic and chromium from chemically treated
lumber.
Your risk from these exposures varies, depending on
how often you do this type of work. To reduce your
exposure to these chemicals: work in a well ventilated
area, and work with approved safety equipment, such
as those dust masks that are specially designed to fil-
ter out microscopic particles.
Table Of Contents
SECTION 1: SAFETY........................................................................................................................2
Safety Instructions For Power Tools ..........................................................................................2
Additional Safety For Wide Belt Sanders....................................................................................4
SECTION 2: INTRODUCTION ..........................................................................................................5
Commentary................................................................................................................................5
SECTION 3: CIRCUIT REQUIREMENTS ........................................................................................6
Amperage Draw ..........................................................................................................................6
Circuit Breaker ............................................................................................................................6
Connection Type ........................................................................................................................6
Circuit Capacity ..........................................................................................................................6
Minimum Cord Size ....................................................................................................................7
Grounding ..................................................................................................................................7
Extension Cords..........................................................................................................................7
SECTION 4: MACHINE FEATURES ................................................................................................8
External Features........................................................................................................................8
Control Panel ..............................................................................................................................9
Access Doors ............................................................................................................................10
SECTION 5: SET UP ......................................................................................................................12
G0527 Inventory........................................................................................................................12
Hardware Recognition Chart ....................................................................................................13
Clean Up ..................................................................................................................................14
Site Considerations ..................................................................................................................14
Beginning Assembly..................................................................................................................15
Floor Mounting ..........................................................................................................................15
Air Line Hook-Up ......................................................................................................................16
Dust Collection ..........................................................................................................................16
Sanding Belt..............................................................................................................................17
Pressure Rollers........................................................................................................................18
Recommended Adjustments ....................................................................................................19
SECTION 6: OPERATIONS ............................................................................................................20
Before Sanding ........................................................................................................................20
Choosing Sandpaper ................................................................................................................20
Table Movement ......................................................................................................................21
Adjusting Feed Rate ................................................................................................................21
Amperage Meter ......................................................................................................................22
Sanding Workpiece ..................................................................................................................22
SECTION 7: MAINTENANCE ........................................................................................................23
General ....................................................................................................................................23
Schedule ..................................................................................................................................23
Servicing Brakes ......................................................................................................................24
Air Circuit Filters........................................................................................................................25
Clean Sanding Belts ................................................................................................................25
Maintenance Log ......................................................................................................................26
SECTION 8: SERVICE ADJUSTMENTS ........................................................................................27
Calibration ................................................................................................................................27
Feed Belt Tension ....................................................................................................................28
Feed Belt Tracking....................................................................................................................28
Belt Oscillation ..........................................................................................................................29
Table Parallelism ......................................................................................................................30
Pressure Rollers........................................................................................................................31
V-Belt Adjustment ....................................................................................................................32
Air System ................................................................................................................................32
Air Line Circuit ..........................................................................................................................33
Service Log ..............................................................................................................................34
SECTION 9: REFERENCE INFO ....................................................................................................35
General ....................................................................................................................................35
Aftermarket Accessories ..........................................................................................................35
G0527 Machine Data Sheet......................................................................................................36
Parts Diagrams & Lists ............................................................................................................37
Machine Troubleshooting..........................................................................................................53
Sanding Troubleshooting ..........................................................................................................54
Wiring Diagrams........................................................................................................................55
Notes ........................................................................................................................................57
Warranty & Returns ..................................................................................................................58
-2-
G0527 18" Wide Belt Sander
Safety Instructions For Power Tools
SECTION 1: SAFETY
5. KEEP CHILDREN AND VISITORS
AWAY. All children and visitors should be
kept at a safe distance from work area.
6. MAKE WORKSHOP CHILD PROOF with
padlocks, master switches, or by removing
starter keys.
7. NEVER FORCE TOOL. It will do the job
better and safer at the rate for which it was
designed.
8. USE RIGHT TOOL. DO NOT force tool or
attachment to do a job for which it was not
designed.
1. KEEP GUARDS IN PLACE and in working
order.
2. REMOVE ADJUSTING KEYS AND
WRENCHES. Form a habit of checking to
see that keys and adjusting wrenches are
removed from tool before turning on.
3. KEEP WORK AREA CLEAN. Cluttered
areas and benches invite accidents.
4. NEVER USE IN DANGEROUS ENVIRON-
MENT. DO NOT use power tools in damp
or wet locations, or where any flammable
or noxious fumes may exist. Keep work
area well lighted.
For Your Own Safety Read Instruction
Manual Before Operating This Equipment
Indicates an imminently hazardous situation which, if not avoided,
WILL result in death or serious injury.
Indicates a potentially hazardous situation which, if not avoided,
COULD result in death or serious injury.
Indicates a potentially hazardous situation which, if not avoided,
MAY
result in minor or moderate injury. It may also be used to alert
against unsafe practices.
This symbol is used to alert the user to useful information about
proper operation of the equipment.
The purpose of safety symbols is to attract your attention to possible hazardous conditions.
This manual uses a series of symbols and signal words which are intended to convey the level
of importance of the safety messages. The progression of symbols is described below.
Remember that safety messages by themselves do not eliminate danger and are not a substi-
tute for proper accident prevention measures.
NOTICE
G0527 18" Wide Belt Sander -3-
9. USE PROPER EXTENSION CORD. Make
sure your extension cord is in good condi-
tion. Conductor size should be in accor-
dance with the chart below. The amperage
rating should be listed on the motor or tool
nameplate. An undersized cord will cause
a drop in line voltage resulting in loss of
power and overheating. Your extension
cord must also contain a ground wire and
plug pin. Always repair or replace exten-
sion cords if they become damaged.
Minimum Gauge for Extension Cords
10. WEAR PROPER APPAREL. DO NOT
wear loose clothing, gloves, neckties,
rings, bracelets, or other jewelry which may
get caught in moving parts. Non-slip
footwear is recommended. Wear protective
hair covering to contain long hair.
11. ALWAYS USE SAFETY GLASSES. Also
use face or dust mask if cutting operation is
dusty. Everyday eyeglasses only have impact
resistant lenses, they are NOT safety glasses.
12. SECURE WORK. Use clamps or a vise to hold
work when practical. It’s safer than using your
hand and frees both hands to operate tool.
13. DO NOT OVER-REACH. Keep proper
footing and balance at all times.
14. MAINTAIN TOOLS WITH CARE. Keep
tools sharp and clean for best and safest
performance. Follow instructions for lubri-
cating and changing accessories.
LENGTH
AMP RATING 25ft 50ft 100ft
0-6 16 16 16
7-10 16 16 14
11-12 16 16 14
13-16 14 12 12
17-20 12 12 10
21-30 10 10 No
Safety Instructions For Power Tools
15. USE RECOMMENDED ACCESSORIES.
Consult the owner’s manual for recom-
mended accessories. The use of improper
accessories may cause risk of injury.
16. REDUCE THE RISK OF UNINTENTION-
AL STARTING. On machines with magnet-
ic contact starting switches there is a risk of
starting if the machine is bumped or jarred.
Always disconnect from power source
before adjusting or servicing. Make sure
switch is in OFF position before reconnecting.
17. CHECK DAMAGED PARTS. Before fur-
ther use of the tool, a guard or other part
that is damaged should be carefully
checked to determine that it will operate
properly and perform its intended function.
Check for alignment of moving parts, bind-
ing of moving parts, breakage of parts,
mounting, and any other conditions that
may affect its operation. A guard or other
part that is damaged should be properly
repaired or replaced.
18. NEVER LEAVE TOOL RUNNING UNAT-
TENDED. TURN POWER OFF. DO NOT
leave tool until it comes to a complete stop.
19. NEVER OPERATE A MACHINE WHEN
TIRED, OR UNDER THE INFLUENCE OF
DRUGS OR ALCOHOL. Full mental alert-
ness is required at all times when running a
machine.
20. NEVER ALLOW UNSUPERVISED OR
UNTRAINED PERSONNEL TO OPER-
ATE THE MACHINE. Make sure any
instructions you give in regards to machine
operation are approved, correct, safe, and
clearly understood.
21. IF AT ANY TIME YOU ARE EXPERIENC-
ING DIFFICULTIES performing the intend-
ed operation, stop using the machine! Then
contact our service department or ask a
qualified expert how the operation should
be performed.
-4-
G0527 18" Wide Belt Sander
Additional Safety For Wide Belt Sanders
1. INFEED/OUTFEED AREA: DO NOT
stand in-line with the infeed or outfeed
areas when feeding the workpiece.
2. WORKPIECE FEEDING: DO NOT jam
the workpiece into the machine and never
feed more than one workpiece at a time.
3. CLOTHING: DO NOT wear loose clothing
while operating this machine. Roll up or
button sleeves at the cuff.
4. NARROW WORKPIECES: DO NOT sand
workpieces narrower than
1
⁄8''.
5. THIN WORKPIECES: DO NOT sand
workpieces thinner than
1
⁄8''.
6. SHORT WORKPIECES: DO NOT sand
workpieces shorter than 9''.
7. HANDS: DO NOT place hands near, or in
contact with, sanding drums or conveyor
belt during operation.
8. MAINTENANCE: Perform machine
inspections and maintenance service at
the appropriate time intervals. See Section
7: Maintenance.
9. POWER DISCONNECT: Unless specifi-
cally stated in the manual, always discon-
nect the power source from the machine
when performing maintenance, adjust-
ments, or assembly. Always read and fol-
low specific safety instructions for each
section.
10. UNATTENDED MACHINE: Never leave
the machine running unattended.
11. SANDPAPER: Replace sanding belt
when it becomes worn.
12. FOREIGN MATERIAL: Always inspect
workpiece for nails, staples, knots, and
other imperfections that could be dis-
lodged and thrown from the machine dur-
ing sanding operations.
13. DUST COLLECTION: Never operate the
sander without an adequate dust collec-
tion system in place and running.
14. ALLERGIES: Certain woods may cause
an allergic reaction in people and animals,
especially when exposed to fine dust.
Make sure you know what type of wood
dust you will be exposed to and always
wear an approved respirator.
15. ACCESS DOORS: Never perform sanding
operations when the side access doors are
open.
16. UNDERSTAND INSTRUCTIONS: Never
allow unsupervised or untrained personnel
to operate the machine. Make sure any
instructions you give in regards to machine
operation are approved, correct, safe, and
clearly understood.
Unfamiliarity with this manual could result
in serious personal injury. Spend a suffi-
cient amount of time becoming familiar the
contents of this manual, including all the
safety warnings.
No list of safety guidelines can be com-
plete. Operating this machinery may
require additional safety precautions spe-
cific to your shop environment. Failure to
use reasonable caution while operating
this machine could result in serious per-
sonal injury.
G0527 18" Wide Belt Sander -5-
We are proud to offer the Model G0527 18" Wide
Belt Sander. This machine is part of a growing
Grizzly family of fine woodworking machinery.
When used according to the guidelines set forth
in this manual, you can expect years of trouble-
free, enjoyable operation and proof of Grizzly’s
commitment to customer satisfaction.
We are pleased to provide this manual with the
Model G0527. It was written to guide you through
assembly, review safety considerations, and
cover general operating procedures. It represents
our effort to produce the best documentation pos-
sible. If you have any comments regarding this
manual, please write to us at the address below:
Grizzly Industrial, Inc.
C
/O Technical Documentation
P.O. Box 2069
Bellingham, WA 98227-2069
Most importantly, we stand behind our machines.
If you have any service questions or parts
requests, please call or write us at the location
listed below.
Grizzly Industrial, Inc.
1203 Lycoming Mall Circle
Muncy, PA 17756
Phone: (570) 546-9663
Fax: (800) 438-5901
E-Mail: [email protected]
Web Site: http://www.grizzly.com
The specifications, drawings, and photographs
illustrated in this manual represent the Model
G0527 as supplied when the manual was pre-
pared. However, owing to Grizzly’s policy of con-
tinuous improvement, changes may be made at
any time with no obligation on the part of Grizzly.
For your convenience, we always keep current
Grizzly manuals available on our website at
www.grizzly.com
. Any updates to your machine
will be reflected in these manuals as soon as they
are complete. Visit our site often to check for the
latest updates to this manual!
Lack of familiarity with
this manual could
cause serious person-
al injury. Become
familiar with the con-
tents of this manual,
including all the safety
warnings.
Commentary
SECTION 2: INTRODUCTION
-6-
G0527 18" Wide Belt Sander
The Model G0527 has three motors that are
wired to operate on a 220V single-phase power
source. They will draw the following loads:
Sanding Drum Motor ............................30 Amps
Conveyor Feed Motor ..........................3.8 Amps
Elevation Motor ......................................3 Amps
Use the following guidelines when choosing a cir-
cuit breaker (circuit breakers rated any higher are
not adequate to protect the circuit):
Circuit Breaker ............................40 Amp, 2 Pole
Always check to see if the wires in your circuit are
capable of handling the amperage load from your
machine. If you are unsure, consult a qualified
electrician.
If you operate this machine on any circuit that is
already close to its capacity, it might blow a fuse
or trip a circuit breaker. However, if an unusual
load does not exist and a power failure still
occurs, contact a qualified electrician or our
Service Department at (570) 546-9663.
Circuit Capacity
Figure 1. Locking shut-off lever.
Connection Type
Circuit Breaker
Amperage Draw
Because of the high amperage draw from this
machine, we recommend that you hardwire it
directly to your circuit breaker and install a lock-
ing shut-off lever (Figure 1) near the machine as
a way to quickly disconnect the power.
SECTION 3: CIRCUIT REQUIREMENTS
G0527 18" Wide Belt Sander -7-
Electrocution or a fire
can result if the machine
is not grounded correct-
ly. Make sure all electri-
cal circuits are ground-
ed. DO NOT use the
machine if it is not
grounded.
In the event of an electrical short, grounding pro-
vides electric current a path of least resistance to
reduce the risk of electrical shock to the operator.
Ground the power cord and this machine in
accordance with all local codes and ordinances.
Operating this machine when it is not properly
grounded can result in electric shock or electro-
cution.
We have covered some basic electrical
requirements for the safe operation of your
machine. These requirements are not nec-
essarily comprehensive. You must be sure
that your particular electrical configuration
complies with local and state codes.
Ensure compliance by checking with your
local municipality or a licensed electrician.
Because of the high amperage draw from this
machine, we do not recommend the use of exten-
sion cords. Instead, position your equipment near
installed wiring to eliminate the need for exten-
sion cords.
Extension Cords
Grounding
Minimum Cord Size
For 220V single-phase operation, use the follow-
ing power cord:
Cord ..............................................2 Pole, 3 Wire
Gauge ................................................................6
-8-
G0527 18" Wide Belt Sander
External Features
B
A
D
C
E
G
F
Figure 2. Front view.
A. Control Panel
B. Table Height Handwheel
C. Air Regulator/Water Collector
D. Emergency Stop Bar
E. Dust Port
F. Amp (Load) Meter
G. Digital Readout
SECTION 4: MACHINE FEATURES
G0527 18" Wide Belt Sander -9-
123
4 5 6
7 8 9
0
H. TABLE UP Key
I. SANDING BELT START Button
J. FEED BELT START Button
K. Power Light
L. EMERGENCY STOP Button
M. FEED BELT STOP Button
N. SANDING BELT STOP Button
O. TABLE DOWN Key
P. FEED BELT STOP Key
Q. FEED BELT START Key
R. SET (Enter) Key
J
Q
K
R
M
L
N
O
I
P
H
Figure 3. Control panel.
Control Panel
-10-
G0527 18" Wide Belt Sander
A. Belt Tension Switch
B. Lock Handle Bolt
Figure 4. Inside the left access door.
A
B
Access Doors
G0527 18" Wide Belt Sander -11-
C. Upper Roller
D. Air Flow Adjustment Knob (Solenoid Expansion)
E. Air Flow Adjustment Knob (Solenoid Contraction)
F. Oscillation Solenoid
G. Pressure Roller Adjustments
H. Oscillation Electronic Eye
Figure 5. Inside the right access door.
C
D
E
F
G
H
-12-
G0527 18" Wide Belt Sander
G0527 Inventory
The following parts shown in Figure 6 should
be enclosed:
• Sanding Unit (Not Pictured)
• 4" Dust Hood
• #100 Grit Sanding Belt
• #150 Grit Sanding Belt
• Tool Box
—Phillips Head Screwdriver
—Large Flat Screwdriver
—Small Flat Screwdriver
—8/10mm Open End Wrench
—12/14mm Open End Wrench
—17/19mm Open End Wrench
—Metric Allen Wrench Set
—(2) Door Wrenches
SECTION 5: SET UP
Figure 6. G0527 inventory.
The Model G0527 was carefully packed when it
left our warehouse. If you discover the machine
is damaged after you have signed for delivery,
immediately call our Service Department at (570)
546-9663.
The Model G0527 is a
heavy machine weigh-
ing in at 1870 lbs.
Personal injury can
occur if the machine is
moved without addition-
al assistance. Use lifting
devices such as a fork
lift when moving or lift-
ing the machine.
NOTICE
A parts diagram and parts list are located
near the end of the manual. Use the diagram
and list to identify missing parts or to sup-
plement the assembly instructions provided
in this manual.
G0527 18" Wide Belt Sander -13-
5mm
10mm
15mm
20mm
25mm
30mm
35mm
40mm
45mm
50mm
55mm
60mm
65mm
70mm
75mm
Washer
Lock
Washer
Hex
Nut
Wing
Nut
Phillips
Head
Sheet
Metal
Screw
Setscrew
Phillips
Head
Screw
Thumb
Screw
Slotted
Screw
Flat Head
Phillips
Screw
Cap
Screw
Carriage
Bolt
Hex
Head
Bolt
Button
Head
Screw
Flange
Bolt
Phillips
Head
Hex
Bolt
Lock
Nut
5
⁄16''
1
⁄4''
3
⁄8''
1
⁄2''
5
⁄8''
7
⁄16''
9
⁄16''
3
⁄4''
7
⁄8''
1''
1
1
⁄4''
1
1
⁄2''
1
3
⁄4''
2
2
1
⁄4''
2
1
⁄2''
2
3
⁄4''
3
LINES ARE 1MM APART
LINES ARE
1
⁄16'' INCH APART
5
⁄8''
W
A
S
H
E
R
D
I
A
M
E
T
E
R
9
⁄16''
W
A
S
H
E
R
D
I
A
M
E
T
E
R
1
⁄2''
W
A
S
H
E
R
D
I
A
M
E
T
E
R
12mm
W
A
S
H
E
R
D
I
A
M
E
T
E
R
10mm
W
A
S
H
E
R
D
I
A
M
E
T
E
R
7
⁄16''
W
A
S
H
E
R
D
I
A
M
E
T
E
R
8mm
W
A
S
H
E
R
D
I
A
M
E
T
E
R
3
⁄8''
W
A
S
H
E
R
D
I
A
M
E
T
E
R
5
⁄16''
W
A
S
H
E
R
D
I
A
M
E
T
E
R
1
⁄4''
W
A
S
H
E
R
D
I
A
M
E
T
E
R
#
10
W
A
S
H
E
R
D
I
A
M
E
T
E
R
4mm
W
A
S
H
E
R
D
I
A
M
E
T
E
R
6mm
W
A
S
H
E
R
D
I
A
M
E
T
E
R
WASHERS ARE MEASURED BY THE INSIDE DIAMETER
MEASURE BOLT DIAMETER BY PLACING INSIDE CIRCLE
#
10
1
⁄4''
5
⁄16''
3
⁄8''
7
⁄16''
1
⁄2''
5
⁄8''
4mm
6mm
8mm
10mm
12mm
16mm
USE THIS CHART TO MATCH UP
HARDWARE DURING THE ASSEMBLY
PROCESS!
Hardware Recognition Chart
-14-
G0527 18" Wide Belt Sander
Site ConsiderationsClean Up
The unpainted surfaces are coated with a waxy
oil to protect them from corrosion during ship-
ment. Remove this protective coating with a sol-
vent cleaner or citrus-based degreaser such as
Grizzly’s G7895 Degreaser. To clean thoroughly,
some parts may need to be removed. For opti-
mum performance from your machine, make
sure you clean all moving parts or sliding
contact surfaces that are coated. Avoid chlo-
rine-based solvents as they may damage painted
surfaces should they come in contact.
Gasoline and petroleum
products have low flash
points and could explode
if used to clean machin-
ery. DO NOT use gaso-
line or petroleum prod-
ucts to clean the machin-
ery.
Smoking near solvents
could ignite an explosion
or fire and cause serious
injury. DO NOT smoke
while using solvents.
Lack of ventilation while
using solvents could
cause serious personal
health risks, fire, or
environmental hazards.
Always work in a well
ventilated area to pre-
vent the accumulation
of dangerous fumes.
Supply the work area
with a constant source
of fresh air.
Unsupervised children
and visitors inside your
shop could receive seri-
ous personal injury.
Ensure child and visitor
safety by keeping all
entrances to the shop
locked at all times. DO
NOT allow unsupervised
children or visitors in the
shop at any time.
Weight Load
The Model G0527 weighs 890 lbs and has a 29"
x 16
3
⁄4" footprint. Most shop floors should be suf-
ficient to carry the weight of the machine.
Reinforce the floor if you question its ability to
support the weight.
Working Clearance
Working clearances can be thought of as the dis-
tances between machines and obstacles that
allow safe operation of every machine without
limitation. Consider existing and anticipated
machine needs, size of material to be processed
through each machine, and space for auxiliary
stands or work tables. Also, consider the relative
position of each machine to one another for effi-
cient material handling.
Work Area Lightening
Lighting should be bright enough to eliminate
shadow and prevent eye strain.
G0527 18" Wide Belt Sander -15-
Floor Mounting
To mount the sander to the floor:
The sander needs to be mounted in a level loca-
tion where it can be easily serviced from all sides.
Also, consider the largest workpiece you might
need to sand before deciding on a final position.
Mount the sander to wooden floors with
1
⁄2" lag
bolts and washers. Mount the sander to concrete
floors with
1
⁄2" anchor-style bolts designed for
concrete applications. Note—Be sure to carefully
follow the anchor bolt manufacturer’s instructions.
Beginning Assembly
Loose hair and clothing
could get caught in
machinery and cause
serious personal injury.
Keep loose clothing
rolled up and long hair
tied up and away from
machinery.
Sharp edges on metal
parts may cause person-
al injury. Examine the
edges of all metal parts
before handling.
This section will cover the basic assembly and
adjustment instructions needed to begin opera-
tion. Complete the assembly in the order provid-
ed in this manual and then read the remaining
portion of the manual before attempting any type
of operation.
Your safety is important! Please follow the
warnings below during this entire section:
OFF
ON
Disconnect power to
the machine during the
entire assembly
process. Failure to do
this may result in seri-
ous personal injury.
-16-
G0527 18" Wide Belt Sander
To hook up the air line:
1. Connect the hose from your air compressor
to the air inlet (Figure 7) on the regulator.
2. Make sure the red handle on the regulator is
in the open position (parallel with the air
inlet).
3. Lift the black regulator knob (Figure 7) and
adjust it until the air pressure gauge reads 75
PSI. Note—Turn the dial clockwise to
increase the air pressure and counterclock-
wise to lower the air pressure.
4. Push the regulator knob down until it snaps.
Figure 7. Air inlet located on regulator.
Dust CollectionAir Line Hook-Up
Figure 8. Dust collection hook-up.
An efficient and clean dust collection system is
essential to the proper function of the sander.
Ensuring a healthy work environment is also
dependent upon cleaning and maintaining your
dust collection system.
To hook up the dust collection system:
1. Install the 4" dust port (Figure 8) on the
mounting locations at the top of the sanding
unit with the supplied M6-1.0 x 10 phillips
head screws.
2. Clamp a hose from your dust collection sys-
tem to the dust port.
Air Inlet
Red Handle
(Closed Position)
Black
Regulator
Knob
G0527 18" Wide Belt Sander -17-
To install the sanding belt:
1. Disconnect the sander from the power
source!
2. De-activate the belt tension by using the belt
tension switch (Figure 9).
Sanding Belt
Figure 9.
Roller tension switch
.
Figure 10. Components used when changing a
sanding belt.
3. Remove the lock handle bolt (Figure 10) by
turning it counter-clockwise
1
⁄2 a turn and
pulling it up and out of the mounting hole.
Lock Handle Bolt
Spacer Block
4. Remove the spacer block (Figure 10).
5. Install the sanding belt by starting first on the
upper roller and then the lower roller. Note—
The sanding belt must be centered between
the limit switches. If either edge of the sand-
ing belt is touching either limit switch, turn the
belt tension switch off and adjust the belt
until it is properly centered as shown in
Figure 11.
Figure 11. Proper position of belt between the
limit switches.
6. Replace the spacer block and tighten down
the lock handle bolt.
7. With your hands clear of all moving parts,
tension the belt.
Sanding Belt
Limit Switches
Sander Outline
(Top View)
NOTICE
The directional arrow on the back of the
sanding belt must be pointing in a counter-
clockwise direction when installing it.
Failure to install the sanding belt correctly
could result in damage to the sanding belt
or the sander itself.
-18-
G0527 18" Wide Belt Sander
Pressure Rollers
It is absolutely essential to keep the pres-
sure rollers set below the level of the sand-
ing roller. If the pressure rollers are even, or
higher than the sanding roller, the wood
could be propelled from the sander at a
high rate of speed. This situation could
cause serious personal injury.
To check the pressure roller height:
1. Disconnect the sander from the power
source!
2. Place a piece of scrap wood of uniform thick-
ness across the table so it spans both the
front and rear pressure rollers at the same
time.
3. With the air pressure connected and the
sanding belt installed and tensioned, manu-
ally raise the table and verify that the board
touches both pressure rollers before it touch-
es the sanding belt. Note—If the board does
not touch both pressure rollers before it
touches the sanding belt, then the pressure
rollers must be adjusted before operation.
See "Pressure Rollers" on page 31 for step-
by-step instructions on how to do this.
The pressure rollers have been set at the factory,
but for safety, you should verify that they are set
below the level of the sanding roller.
Before starting the machine:
1. Read this manual and make sure you take all
safety precautions before operating this
machine.
2. Make sure the machine is connected to an
air compressor and the pressure gauge
reads 75 PSI.
3. Make sure all tools or foreign objects have
been removed from the machine.
4. Review Section 3: Circuit Requirements on
page 6 and make sure all the wiring is cor-
rect.
Loose hair and clothing
could get caught in
machinery causing seri-
ous personal injury.
Keep loose clothing
rolled up and long hair
tied up and away from
machinery.
Projectiles thrown from
the machine could cause
serious eye injury. Wear
safety glasses during
start up.
Serious personal injury could result if the
machine is connected to the power source
during assembly or adjustment. Wait until
the machine is turned off, unplugged and all
working parts have come to a complete stop
before you attempt to assemble or adjust the
machine!
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