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Model G0787 (Mfd. Since 09/14)

Additional Safety for Disc/Belt Sanders

WORKPIECE SUPPORT. Workpiece  kickback 
can  occur  with  violent  force  if  workpiece  is  not 
properly supported during operation. Always sand 
with workpiece firmly against table or another sup-
port device.

WORKPIECE INSPECTION. Nails, staples, knots, 
or  other  imperfections  in  workpiece  can  be  dis-
lodged  and  thrown  from  sander  at  high  rate  of 
speed into operator or bystanders, or cause dam-
age  to  sandpaper  or  sander.  Never  try  to  sand 
stock that has embedded foreign objects or ques-
tionable imperfections.

SANDPAPER CONDITION.  Worn  or  damaged 
sandpaper not only produces poor sanding results, 
but  could  fly  apart,  aggressively  grab  workpiece, 
and  throw  debris  at  the  operator.  Always  inspect 
sandpaper before operation and replace if worn or 
damaged.

WORKPIECE INTEGRITY. Only sand solid work-
pieces  that  can  withstand  power  sanding  forces. 
Make sure shape of workpiece is properly support-
ed on table; avoid sanding workpieces without flat 
bottom surfaces unless some type of jig is used to 
maintain support and control when sanding force 
is applied.

SANDING DUST. Sanding creates large amounts 
of dust and flying chips that can lead to eye injury 
or respiratory illness. Reduce risk of these hazards 
by  wearing  approved  eye  and  respiratory  protec-
tion when using sander. 

DUST COLLECTION. Never operate without ade-
quate dust collection system in place and running. 
Proper dust collection reduces dust in work area, 
which decreases risk of long-term respiratory dam-
age, but it is not a substitute for using a respirator.  

Serious injury can occur from fingers or hands contacting sandpaper, or from fingers, clothes, 

or hair getting entangled in sanding disc or belt. Workpieces thrown by sander can strike nearby 

operators. Long-term respiratory damage can occur from using sander without proper use of 

a respirator and an adequate dust collection system. To minimize risk of getting hurt or killed, 

anyone operating machine MUST completely heed hazards and warnings below.

DISC DIRECTION. Only sand on downward-mov-
ing left side of sanding disc. Sanding on upward-
moving right side of sanding disc forces operator 
to  rely  only  on  hands  (rather  than  table)  for  sup-
port, which increases risk of workpiece “kick-out” 
and impact/abrasion injuries.

HAND PLACEMENT.  Rotating  sandpaper  can 
remove a large amount of flesh in a few seconds. 
Always  keep  hands  away  from  sandpaper  during 
operation. Never touch moving sandpaper on pur-
pose. Use a brush to clean table of sawdust and 
chips.

FEEDING WORKPIECE. Forcefully jamming work-
piece into sanding surface could cause workpiece 
to  be  aggressively  grabbed  and  pull  your  hands 
into  sanding  surface.  Firmly  grasp  workpiece  in 
both hands and ease it into sandpaper using light 
pressure.

MINIMUM STOCK DIMENSION. Small workpiec-
es  can  be  aggressively  pulled  from  your  hands. 
Always  use  a  jig  or  other  holding  device  when 
sanding  small  workpieces,  and  keep  hands  and 
fingers at least 2” away from sanding surface.

AVOIDING ENTANGLEMENT.  Becoming  entan-
gled  in  moving  parts  of  this  machine  can  cause 
pinching  and  crushing  injuries.  To  avoid  these 
hazards, DO NOT wear loose clothing, gloves, or 
jewelry, and tie back long hair. Keep all guards in 
place and secure.

IN-RUNNING NIP POINTS.  The  gap  between 
moving sandpaper and fixed table/support creates 
a pinch point for fingers or workpieces; the larger 
this gap is, the greater risk of fingers or workpieces 
getting caught in it. Minimize this risk by adjusting 
table no more than 

1

16

” away from sandpaper.

Summary of Contents for G0787

Page 1: ...NER S MANUAL For models manufactured since 09 14 COPYRIGHT FEBRUARY 2015 BY GRIZZLY INDUSTRIAL INC WARNING NO PORTION OF THIS MANUAL MAY BE REPRODUCED IN ANY SHAPE OR FORM WITHOUT THE WRITTEN APPROVAL...

Page 2: ...g grinding tool integrity and the usage of personal protective equipment The manufacturer will not be held liable for injury or property damage from negligence improper training machine modifications...

Page 3: ...CTION 4 OPERATIONS 16 Disabling Switch 16 Disc Sanding 17 Belt Sanding 18 Changing Replacing Sandpaper Disc 21 Changing Replacing Sanding Belt 22 Adjusting Belt Tracking 22 SECTION 5 ACCESSORIES 23 SE...

Page 4: ...call our Technical Support for help Before calling please write down the Manufacture Date and Serial Number stamped into the machine ID label see below This infor mation helps us determine if updated...

Page 5: ...functions as a guide for miter gauge K Angle Adjustment Knob Tightens to secure work table at desired angle L 21 2 Dust Port Connects to dust collection system not included A Belt Tensioning Lever Wh...

Page 6: ...pe Cardboard Box Content Machine Weight 41 lbs Length x Width x Height 23 x 12 x 13 in Must Ship Upright Yes Electrical Power Requirement 120V Single Phase 60 Hz Full Load Current Rating 4 3A Minimum...

Page 7: ...Left 0 Right 45 deg Table to Floor Height 4 3 4 in Construction Materials Base Cast Iron Table Die Cast Aluminum Frame Cast Iron Disc Aluminum Miter Gauge Plastic and Steel Paint Type Finish Urethane...

Page 8: ...of DANGEROUS ENVIRONMENTS Do not use machinery in areas that are wet cluttered or have poor lighting Operating machinery in these areas greatly increases the risk of accidents and injury MENTAL ALERTN...

Page 9: ...duce accidental contact with moving parts or flying debris Make sure they are properly installed undamaged and working correctly FORCING MACHINERY Do not force machine It will do the job safer and bet...

Page 10: ...lothes or hair getting entangled in sanding disc or belt Workpieces thrown by sander can strike nearby operators Long term respiratory damage can occur from using sander without proper use of a respir...

Page 11: ...circuit To reduce the risk of these hazards avoid over loading the machine during operation and make sure it is connected to a power supply circuit that meets the specified circuit requirements For y...

Page 12: ...rd size gets longer and the gauge size gets smaller higher gauge numbers indicate smaller sizes Any extension cord used with this machine must be in good condition and contain a ground wire and matchi...

Page 13: ...asses 1 Pair Screwdriver Phillips 2 1 Hex Wrench 6mm 1 Screwdriver Flat Head 2 1 Dust Collection System 1 Dust Hose 21 2 1 Hose Clamps 21 2 2 Needed for Setup Inventory The following is a list of item...

Page 14: ...the shop Below is the minimum amount of space needed for the machine Placement Location Bench Mounting Figure 7 Direct Mount setup Machine Base Workbench Lag Screw Flat Washer Another option is a Dire...

Page 15: ...washer on table lock knob as shown in Figure 9 Figure 9 Installing work table Table Lock Knob Washer Upper Hole Index Pin Threaded Hole Figure 8 Installing disc cover x 2 Disc Cover Assembly The Model...

Page 16: ...ose type and length between the dust col lector and the machine 3 number of branches or wyes and 4 amount of other open lines throughout the system Explaining how to cal culate these variables is beyo...

Page 17: ...EFORE understanding its controls and related safety information DO NOT operate or allow others to operate machine until the information is understood To test run machine 1 Clear all setup tools away f...

Page 18: ...prevent unsupervised operation always disable switch before leaving machine unattended Make sure to place key in a well hidden or secure location To reduce your risk of serious injury read this entire...

Page 19: ...forming Disc Sanding Operations For disc sanding straight lines always brace your workpiece against the miter gauge for maximum stability We do not recommend disc sanding with out a miter gauge unless...

Page 20: ...side along downward spinning half of sanding disc to prevent burning workpiece and excessive loading of sandpaper The Model G0787 disc sander can be used to sand convex outside curves Since the miter...

Page 21: ...ON and allow sander to reach full speed 3 Place workpiece on surface of sanding belt allowing it to rest against backstop Hold workpiece firmly and keep fingers away from sanding surface see Figure 1...

Page 22: ...in sander body see Figure 22 7 Set desired work table angle see Setting Work Table Angle on Page 17 and tighten table lock knob Figure 22 Installing work table on sanding bed Index Pin Slot Threaded...

Page 23: ...s sandpaper disc onto surface see Figure 24 Figure 24 Installing sanding disc 3 Remove remaining half of protective layer from sandpaper disc then press remaining portion of sandpaper disc onto alumin...

Page 24: ...ding belt moves away from disc toward back of machine rotate tracking knob coun terclockwise 1 4 turn 5 Turn machine ON then immediately turn machine OFF Sanding belt should be cen tered on drums and...

Page 25: ...ge To reduce this risk only install accessories recommended for this machine by Grizzly NOTICE Refer to our website or latest catalog for additional recommended accessories order online at www grizzly...

Page 26: ...very bit as import ant as a stable work surface this workbench is just what you need Includes six drawers with ball bearing slides and two lower compartments The end vise also includes two bench dogs...

Page 27: ...before adjustments maintenance or service Cleaning the Model G0787 is relatively easy Vacuum excess wood chips and sawdust and wipe off the remaining dust with a dry cloth If any resin has built up us...

Page 28: ...ressure 4 Workpiece crooked fence loose or misadjusted 5 Drive belt damaged and slipping 6 Dust collection ducting problem causing dust buildup 7 Dust collector undersized causing dust buildup 8 Motor...

Page 29: ...Sanding belt disc worn or damaged 1 Reduce pressure of workpiece against sanding belt disc 2 Use different stock or accept characteristics of stock and plan to clean replace sanding belt disc frequent...

Page 30: ...e and sanding disc to prevent the disc from rubbing against the table during operations Work table alignment should be checked and adjusted if necessary before each use or any time the work table is r...

Page 31: ...gure 35 Replacing Drive Belt To replace and tension drive belt 1 DISCONNECT MACHINE FROM POWER Drive Belt Housing Figure 36 Example of drive belt housing screws 4 Remove old drive belt and place new d...

Page 32: ...t at the time of printing but may not match your machine If you find this to be the case use the wiring diagram inside the motor junction box CAPACITORS INVERTERS Some capacitors and power inverters s...

Page 33: ...hind KEDU HY7 Relay WE 10 MOTOR Machine Housing Ground Ground Start Capacitor 100MFD 125VAC The wiring shown here was current at the time of printing but changes may occur over time Verify your machin...

Page 34: ...20 54 25 24 83 14 27 42 39 49 53 72 26 67 66 68 70 69 71 77 76 68 69 78 74 73 75 12 85 64 44 54 65 90 43 44 63 62 61 86 88 87 59 60 40 41 13 16 37 15 89 30 34 50 48 52 51 32 32 31 33 15 55 32 57 58 4...

Page 35: ...ECTRICAL BOX 68 P0787068 PHLP HD SCR M5 8 X 16 LH 23 P0787023 INSULATED SLEEVE 69 P0787069 LOCKING FLAT WASHER 5MM 24 P0787024 TOGGLE SWITCH 125 250V W KEY 70 P0787070 TIMING BELT 150XL037 25 P0787025...

Page 36: ...DESCRIPTION 93 P0787093 READ MANUAL LABEL 97 P0787097 ELECTRICITY LABEL 94 P0787094 BELT DISC ROTATION LABEL 98 P0787098 DISCONNECT 120V LABEL 95 P0787095 MACHINE ID LABEL 99 P0787099 GRIZZLY GREEN T...

Page 37: ...metalworker ____ 0 2 Years ____ 2 8 Years ____ 8 20 Years ____20 Years 6 How many of your machines or tools are Grizzly ____ 0 2 ____ 3 5 ____ 6 9 ____10 7 Do you think your machine represents a good...

Page 38: ...LINE FOLD ALONG DOTTED LINE GRIZZLY INDUSTRIAL INC P O BOX 2069 BELLINGHAM WA 98227 2069 Place Stamp Here Name_______________________________ Street_______________________________ City______________S...

Page 39: ...shall be tried in the State of Washington County of Whatcom We shall in no event be liable for death injuries to persons or property or for incidental contingent special or consequential damages arisi...

Page 40: ......

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