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Model T1239 (Mfd. Since 09/17)

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ELECTRICAL SAFETY.  Tool  plug  must 

match outlet. Double-insulated tools have 

a polarized plug (one blade is wider than 

the other), which must be plugged into a 

polarized  outlet.  Never  modify  plug.  Do 

not  use  adapter  for  grounded  tools.  Use 

a  ground  fault  circuit  interrupter  if  opera-

tion  is  unavoidable  in  damp  locations. 

Avoid  touching  grounded  surfaces  when 

operating tool.

WEARING PROPER APPAREL.  Do  not 

wear  clothing,  apparel  or  jewelry  that 

can  become  entangled  in  moving  parts. 

Always  tie  back  or  cover  long  hair.  Wear 

non-slip  footwear  to  avoid  accidental 

slips, which could cause loss of workpiece 

control. Wear hard hat as needed.

HAZARDOUS DUST. Dust created while 

using  tools  may  cause  cancer,  birth 

defects, or long-term respiratory damage. 

Be aware of dust hazards associated with 

each  workpiece  material,  always  wear 

a  NIOSH-approved  respirator,  and  con-

nect tool to an appropriate dust collection 

device to reduce your risk.

HEARING PROTECTION.  Always  wear 

hearing  protection  when  operating  or 

observing  loud  machinery.  Extended 

exposure  to  this  noise  without  hearing 

protection  can  cause  permanent  hearing 

loss.

REMOVE ADJUSTING TOOLS.  Never 

leave  adjustment  tools,  chuck  keys, 

wrenches,  etc.  in  or  on  tool—especially 

near moving parts. Verify removal before 

starting!

INTENDED USAGE. Only use tool for its 

intended  purpose.  Never  modify  or  alter 

tool  for  a  purpose  not  intended  by  the 

manufacturer  or  serious  injury  or  death 

may result!

AWKWARD POSITIONS.  Keep  proper 

footing  and  balance  at  all  times  when 

operating  tool.  Do  not  overreach!  Avoid 

awkward  hand  positions  that  make  tool 

control  difficult  or  increase  the  risk  of 

accidental injury. 

SAFE HANDLING.  Firmly  grip  tool.  To 

avoid accidental firing, do not keep finger 

on switch or trigger while carrying. 

FORCING TOOLS.. Use right tool for job, 

and do not force it. It will do job safer and 

better at rate for which it was designed.

SECURING WORKPIECE. 

When 

required,  use  clamps  or  vises  to  secure 

workpiece. This protects hands and frees 

both of them to operate tool.

GUARDS & COVERS.  Guards  and  cov-

ers  reduce  accidental  contact  with  mov-

ing  parts  or  flying  debris.  Ensure  they 

are  properly  installed,  undamaged,  and 

working correctly.

CHILDREN & BYSTANDERS. Keep chil-

dren  and  bystanders  at  a  safe  distance 

from the work area. Stop using tool if they 

become a distraction.

USE RECOMMENDED ACCESSORIES. 

Consult  this  manual  or  manufacturer 

for  recommended  accessories.  Using 

improper accessories will increase risk of 

serious injury.

MAINTAIN WITH CARE.  Keep  cutting 

tool  edges  sharp  and  clean.  Follow  all 

maintenance  instructions  and  lubrication 

schedules  to  keep  tool  in  good  work-

ing  condition.  A  tool  that  is  improperly 

maintained  could  malfunction,  leading  to 

serious  personal  injury  or  death.  Only 

have  tool  serviced  by  qualified  service-

personnel  using  matching  replacement 

parts.

CHECK DAMAGED PARTS.  Regularly 

inspect  tool  for  any  condition  that  may 

affect  safe  operation.  Immediately  repair 

or replace damaged or mis-adjusted parts 

before operating tool.

MAINTAIN POWER CORDS. When  dis-

connecting  cord-connected  tools  from 

power,  grab  and  pull  the  plug—NOT  the 

cord.  Carrying  or  pulling  the  cord  may 

damage wires inside. Do not handle cord/

plug with wet hands. Avoid cord damage 

by keeping it away from heated surfaces, 

high traffic areas, harsh chemicals, sharp 

edges, moving parts, and wet/damp loca-

tions.  Damaged    cords  increase  risk  of 

electrocution.

UNATTENDED OPERATION.  Never 

leave tool running while unattended. Turn 

tool 

OFF  and  ensure  all  moving  parts 

completely stop before walking away.

EXPERIENCING DIFFICULTIES.  If  at 

any  time  you  experience  difficulties  per-

forming  the  intended  operation,  stop 

using the machine! Contact our Technical 

Support at (570) 546-9663.

Summary of Contents for T1239

Page 1: ...TRIAL INC WARNING NO PORTION OF THIS MANUAL MAY BE REPRODUCED IN ANY SHAPE OR FORM WITHOUT THE WRITTEN APPROVAL OF GRIZZLY INDUSTRIAL INC JH19197 PRINTED IN CHINA MODEL T1239 DRYWALL SANDER OWNER S MA...

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: ...ecognition Chart 8 Assembly 9 Dust Collection 10 SECTION 4 OPERATIONS 11 Installing Removing Sanding Head 11 Operating Sander 11 Sanding Positions 12 SECTION 5 MAINTENANCE 13 Replacing Round Hook Loop...

Page 4: ...th live electrical com ponents EYE PROTECTION Always wear ANSI approved safety glasses or a face shield when operating or observing machinery to reduce the risk of eye injury or blindness from flying...

Page 5: ...r while carrying FORCING TOOLS Use right tool for job and do not force it It will do job safer and better at rate for which it was designed SECURING WORKPIECE When required use clamps or vises to secu...

Page 6: ...dur ing sanding operation Everyday eye glasses only have impact resistant lenses they are NOT safety glasses WEAR PROPER APPAREL Do not wear loose clothing gloves neck ties rings bracelets or other je...

Page 7: ...call or write us at the location listed below Grizzly Technical Support 1815 W Battlefield Springfield MO 65807 Phone 570 546 9663 Email techsupport grizzly com Contact Info Manual Accuracy We are pr...

Page 8: ...presents injury hazards to untrained users Read through entire manual to become familiar with controls and operations before using Extension Tube Triangular Sanding Head Vacuum Hose Round Sanding Hea...

Page 9: ...ompletely satisfied with the condition of your shipment inventory the contents If any non proprietary parts are missing e g a nut or a washer we will gladly replace them or for the sake of expedi ency...

Page 10: ...Model T1239 Mfd Since 09 17 8 USE THIS CHART TO MATCH UP HARDWARE DURING THE INVENTORY AND ASSEMBLY PROCESS 5mm 5mm Flat Head Cap Screw Hardware Recognition Chart...

Page 11: ...e handle see Figure 5B is aligned with handle on sander assembly Note Ensure extension tube collar is fully seated against sander dust collar To assemble drywall sander 1 Remove sander from case unfol...

Page 12: ...st collector connected Note Dust cannot escape pressure collar hole during operation the hole simply allows additional air to flow into the dust hose Rotate the pressure collar to the Open position se...

Page 13: ...ply adequate dust collection during operation Note Further adjustment during operation may be needed to ensure optimum dust collection Figure 12 Adjusting pressure collar Pressure Collar Installing Re...

Page 14: ...oss drywall tape seam to evenly sand workpiece being careful to not apply too much pressure 7 Complete sanding operation and turn sander OFF by releasing ON OFF trigger Sanding Positions The round san...

Page 15: ...e Hold the sanding pad firmly while removing cap screw to keep pad from spinning Figure 16 Removing worn sanding pad Sanding Pad Replacing Triangular Hook Loop Pad If new sandpaper discs no longer adh...

Page 16: ...n spring aside and remove brush from its housing see Figure 19 3 Install new motor brush and recon nect brush tension spring 4 Repeat Step 2 for remaining motor brush and re install rear motor cover F...

Page 17: ...tween sanding head and sanding pad worn 4 Motor brushes worn 1 Reduce work surface pres sure 2 Use less aggressive sand paper grit increase sanding pad speed 3 Replace gear cap Page 14 4 Inspect repla...

Page 18: ...29 STORAGE BOX 13 PT1239013 SPEED DIAL 30 PT1239030 RIGHT HANDLE LABEL 14 PT1239014 DUST PORT 31 PT1239031 LEFT HANDLE LABEL 15 PT1239015 EXTENSION TUBE W HANDLE 32 PT1239032 RIGHT MOTOR LABEL 16 PT12...

Page 19: ...l 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 arising f...

Page 20: ......

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