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g8749 drum/Flap sander

these pages are current at the time of printing. however, in the spirit of improvement, we may make chang-
es to the electrical systems of future machines. study this section carefully. if there are differences between 
your machine and what is shown in this section, call technical support at (570) 546-9663 for assistance 
BEForE making any changes to the wiring on your machine.

SEctiON 8: WiRiNG

Wiring Safety instructions

1.  ShOcK  hAzARD.  Working  on  wiring  that 

is connected to a power source is extremely 
dangerous.  touching  electrified  parts  will 
result in personal injury including but not lim-
ited to severe burns, electrocution, or death. 
disconnect  the  power  from  the  machine 
before servicing electrical components!

2.  QUALiFiED  ELEctRiciAN.  due  to  the 

inherent hazards of electricity, only a quali-
fied  electrician  should  perform  wiring  tasks 
on  this  machine.  if  you  are  not  a  quali-
fied  electrician,  get  help  from  one  before 
attempting any kind of wiring job.

3.  WiRE  cONNEctiONS.  all  connections 

must be tight to prevent wires from loosen-
ing during machine operation. double-check 
all wires disconnected or connected during 
any wiring task to ensure tight connections.

4.  MOtOR WiRiNG. the motor wiring shown 

in  these  diagrams  is  current  at  the  time  of 
printing, but it may not match your machine. 
always  use  the  wiring  diagram  inside  the 
motor junction box.

5.  MODiFicAtiONS. using aftermarket parts or 

modifying  the  wiring  beyond  what  is  shown 
in  the  diagram  may  lead  to  unpredictable 
results, including serious injury or fire. 

6.  WiRE/cOMPONENt  DAMAGE.  damaged 

wires or components increase the risk of seri-
ous personal injury, fire, or machine damage. 
if  you  notice  that  any  wires  or  components 
are damaged while performing a wiring task, 
replace  those  wires  or  components  before 
completing the task.

7.  cAPAcitORS.  some  capacitors  store  an 

electrical  charge  for  up  to  five  minutes  after 
being  disconnected  from  the  power  source. 
to  avoid  being  shocked,  wait  at  least  this 
long before working on capacitors.

8.  ciRcUit REQUiREMENtS. you Must fol-

low  the  requirements  on 

Page  8  when  con-

necting your machine to a power source.

9.  EXPERiENciNG  DiFFicULtiES.  if  you  are 

experiencing  difficulties  understanding  the 
information  included  in  this  section,  contact 
our technical support at (570) 546-9663.

The photos and diagrams 
included in this section are 
best viewed in color. You 
can view these pages in 
color at www.grizzly.com.

Summary of Contents for G8749

Page 1: ...NER S Manual Copyright 2000 By Grizzly Industrial Inc REVISED NOVEMBER 2008 TS Warning No portion of this manual may be reproduced in any shape Or form without the written approval of Grizzly Industri...

Page 2: ...ERSONAL PROTECTIVE EQUIPMENT 4HE MANUFACTURER WILL NOT BE HELD LIABLE FOR INJURY OR PROPERTY DAMAGE FROM NEGLIGENCE IMPROPER TRAINING MACHINE MODIFICATIONS OR MISUSE 3OME DUST CREATED BY POWER SANDING...

Page 3: ...ory 10 Site Considerations 10 Test Run 11 Mounting 12 Assembly 12 SECTION 4 OPERATIONS 15 Operation Safety 15 Sanding Tips 15 ON OFF Switch 16 Drum Sanding 16 Flap Sanding 16 SECTION 5 ACCESSORIES 17...

Page 4: ...d photographs of the machine we used when writ ing this manual However sometimes errors do happen and we apologize for them Also owing to our policy of continuous improve ment your machine may not exa...

Page 5: ...G8749 Drum Flap Sander 3 Identification Figure 3 Model G8749 identification Mounting Holes Motor Sanding Drum ON OFF Switch Flap Sander...

Page 6: ...ZY C B6 Motor IneZ I 8 8VeVX idg HiVgi cYjXi dc dghZedlZg E KdaiV Z K E VhZ H c aZ 6beh 6 HeZZY GEB 8nXaZ o CjbWZg D HeZZYh EdlZg IgVch Zg 9 gZXi 9g kZ 7ZVg c h H ZaYZY VcY EZgbVcZcian HZVaZY Other Sp...

Page 7: ...EAD NSTRUCTION ANUAL EFORE PERATING THIS ACHINE 4HE PURPOSE OF SAFETY SYMBOLS IS TO ATTRACT YOUR ATTENTION TO POSSIBLE HAZARDOUS CONDITIONS 4HIS MANUAL USES A SERIES OF SYMBOLS AND SIGNAL WORDS INTEND...

Page 8: ...dch dg ajWg XVi c VcY X Vc c VXXZhhdg Zh 352 5 2 3 2 0 7 2 22 4 9 2 53 29 3AFETY NSTRUCTIONS FOR ACHINERY 2 6 534 93 72 3 BV Z V VW i d X ZX c dg Znh VcY VY_jhi c lgZcX Zh WZ dgZ ijgc c bVX cZgn 2 0 2...

Page 9: ...conditions Use this and other machinery with caution and respect Failure to do so could result in serious per sonal injury damage to equipment or poor work results Like all machinery there is potentia...

Page 10: ...e that it is grounded DO NOT remove ground prong from plug to fit into a two pronged outlet If the plug will not fit the outlet have the proper outlet installed by a qualified electrician Extension Co...

Page 11: ...scription Qty Wrenches 14 19mm 1 Each Mounting Hardware Page 11 As Needed Items Needed for Setup Your machine was carefully packaged for safe transportation Remove the packaging materials from around...

Page 12: ...ned at your local hardware store SUFFOCATION HAZARD Immediately discard all plas tic bags and packing materi als to eliminate choking suf focation hazards for children and animals Workbench Load Refer...

Page 13: ...gular operation The test run consists of verifying the following 1 The motor powers up and runs correctly and 2 the safety disabling mechanism works correctly If during the test run you cannot easily...

Page 14: ...ide Attaching Flap Sander 1 DISCONNECT SANDER FROM POWER 2 When removed from the shipping box the flap sander is held together by two tie wraps Hold the assembly together from top to bot tom then remo...

Page 15: ...n arrows and the rota tion arrow on the spindle housing match Alwayscheckthesanding drum air pressure before using it Only use a hand operated air pump to inflate the sanding drum to 10 PSI If the dru...

Page 16: ...e uses the arbor bolt with left hand threads which tightens by rotating it counterclockwise The right spindle arbor bolt has right hand threads and tightens by rotat ing it clockwise Figure 13 Install...

Page 17: ...er is a safe tool when used properly In addition to the safety instructions in this manual the most important safety consideration is to use common sense at all times Follow these rules when sanding M...

Page 18: ...le when the sanded edge is to be sharp Make sure the sanding sleeve is mounted on the drum and sander so that the sleeve rotation and spindle rotation match The spindle will always rotate toward the o...

Page 19: ...irator can greatly reduce your risk Compatible with safety glasses Aluminum Oxide Sanding Sleeves G9196 31 4 Diameter 60 Grit G9197 31 4 Diameter 80 Grit G9198 31 4 Diameter 100 Grit G9199 31 4 Diamet...

Page 20: ...ning Lubrication Bearings are sealed and permanently lubricated so simply leave them alone unless they need replacement Replacing Sanding Sleeves Your sander is supplied with a large 43 4 x 8 sanding...

Page 21: ...center of the flap sander as shown in Figure 21 6 Make sure the sandpaper pieces are even with one another and are centered in the retaining bar then re tighten the retaining bar screws to hold them i...

Page 22: ...ct motor wiring connections Page 23 6 Ensure circuit size is correct replace weak breaker 7 Check fix broken disconnected or corroded wires 8 Replace switch 9 Test repair replace Machine stalls or is...

Page 23: ...kpiece against the sanding abrasive 2 Use different stock or accept the characteristics of the stock and plan on cleaning replacing sandpaper frequently Burn marks on workpiece 1 Sandpaper grit too fi...

Page 24: ...isconnected or connected during any wiring task to ensure tight connections 4 MOTOR WIRING The motor wiring shown in these diagrams is current at the time of printing but it may not match your machine...

Page 25: ...AFETY ON PAGE 22 HiVgi 8VeVX idg B 9 K68 gdjcY Motor ON OFF Switch 110VAC NEMA 5 15 Plug As Recommended WARNING SHOCK HAZARD Disconnect power before working on wiring CZjigVa gdjcY di Wiring Diagram F...

Page 26: ...24 G8749 Drum Flap Sander 6 Parts Breakdown SECTION 9 PARTS...

Page 27: ...29 STRAIN RELIEF 11 G9211 SANDING SLEEVE 4 3 4 X 8 120G 30 PWRCRD100L POWER CORD 110V W 5 15 PLUG 12 P8749012 AIR VALVE 31 P8749031 BASE 13 P8749013 VALVE CAP 32 P8749032 S CAPACITOR 400M 125V 3 X 1 3...

Page 28: ...26 G8749 Drum Flap Sander...

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