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Grizzly G1071, Owner'S Manual

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Grizzly G1071 Owner'S Manual Download Page 31

Model G1071 (Mfd. Since 11/10)

-29-

Troubleshooting

Motor & Electrical

Symptom

Possible Cause

Possible Solution

Machine  does  not 
start  or  a  breaker 
trips.

1.  Switch disabling key removed.
2.  Power supply switched OFF or at fault.
3.  Plug/receptacle at fault/wired wrong.
4.  Start capacitor at fault.
5.  Motor connection wired wrong.
6.  Wall circuit breaker tripped.
7.  Wiring open/has high resistance.
8.  Motor ON/OFF switch at fault.
9.  Motor at fault.

1.  Install switch disabling key.
2.  Ensure power supply is on/has correct voltage.
3.  Test for good contacts; correct the wiring.
4.  Test/replace if faulty.
5.  Correct motor wiring connections.
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 
underpowered.

1.  Feed rate too aggressive.
2.  Workpiece  material  not  suitable  for 

machine.

3.  Motor wired incorrectly.
4.  Plug/receptacle at fault.
5.  Motor bearings at fault.
6.  Machine undersized for task.

7.  Motor overheated.
8.  Motor at fault.

1.  Decrease feed rate.
2.  Only sand wood, ensure moisture is below 20%.

3.  Wire motor correctly.
4.  Test for good contacts/correct wiring.
5.  Test/repair/replace.
6.  Clean/replace sandpaper; reduce feed rate/sanding 

depth.

7.  Clean motor, let cool, and reduce workload.
8.  Test/repair/replace. 

Motor Overheats

1.  Motor overloaded.

2.  Air circulation through the motor restricted.

1.  Reduce load on motor.

2.  Clean off motor to provide normal air circulation.

Machine 

has 

vibration  or  noisy 
operation.

1.  Motor or component loose.

2.  Motor fan rubbing on fan cover.
3.  Motor bearings at fault.

4.  Gearbox is damaged.

1.  Inspect/replace  damaged  bolts/nuts,  and  re-tighten 

with thread locking fluid.

2.  Fix/replace fan cover; replace loose/damaged fan.
3.  Test by rotating shaft; rotational grinding/loose shaft 

requires bearing replacement.

4.  Inspect and repair/replace.

Review the troubleshooting procedures in this section if a problem develops with your machine. If you need 
replacement parts or additional help with a procedure, call our Technical Support. 

Note: Please gather the 

serial number and manufacture date of your machine before calling.

SECTION 7: SERVICE

Summary of Contents for G1071

Page 1: ...RNING NO PORTION OF THIS MANUAL MAY BE REPRODUCED IN ANY SHAPE OR FORM WITHOUT THE WRITTEN APPROVAL OF GRIZZLY INDUSTRIAL INC JB11261 PRINTED IN TAIWAN V3 05 19 MODEL G1071 1 HP OSCILLATING SPINDLE SA...

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: ...Considerations 14 Assembly 15 Check Gearbox Oil 17 Test Run 18 SECTION 4 OPERATIONS 19 Operation Overview 19 Disabling Switch 20 Stock Inspection 20 Sanding Tips 20 Sanding Spindles 21 Sanding Sleeve...

Page 4: ...improved Please take a few minutes to give us feedback Grizzly Documentation Manager P O Box 2069 Bellingham WA 98227 2069 Email manuals grizzly com Contact Info We are proud to provide a high quality...

Page 5: ...es of Spindles For Your Own Safety Read Instruction Manual Before Operating Spindle Sander a Wear eye protection b Feed workpiece AGAINST rotation of sanding drum c Keep fingers away from sanding drum...

Page 6: ...ons Type Wood Crate Content Machine Weight 296 lbs Length x Width x Height 29 x 26 x 37 in Must Ship Upright Yes Electrical Power Requirement 120V or 240V Single Phase 60 Hz Prewired Voltage 120V Full...

Page 7: ...n Number of Table Inserts 3 Included Sanding Sleeve Grit Size 100 Table Tilt Front 45 Back 15 deg Construction Materials Base Formed Steel Stand Formed Steel Table Ground Cast Iron Frame Sheet Metal P...

Page 8: ...d proof 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 A...

Page 9: ...moving parts or flying debris Make sure they are properly installed undamaged and working correctly BEFORE operating machine FORCING MACHINERY Do not force machine It will do the job safer and better...

Page 10: ...ies or damage to the sanding sleeve or drum Only sand solid work pieces that can withstand power sanding forces Make sure shape of workpiece is properly sup ported avoid sanding workpieces without fla...

Page 11: ...nd make sure it is connected to a power supply circuit that meets the specified circuit requirements For your own safety and protection of property consult an electrician if you are unsure about wirin...

Page 12: ...ollowing size requirements Minimum Gauge Size 12 AWG Maximum Length Shorter is Better 50 ft Grounding Requirements This machine MUST be grounded In the event of certain malfunctions or breakdowns grou...

Page 13: ...ts of rewiring the motor and installing the correct plug A wiring diagram is provided on Page 32 for your reference IMPORTANT If the diagram included on the motor conflicts with the one on Page 32 the...

Page 14: ...ve the original pack aging to file a freight claim It is also extremely helpful if you need to return your machine later Unpacking This machine presents serious injury hazards to untrained users Read...

Page 15: ...1 4 20 x 5 8 12 Roll Pins 5 x 28 3 Hex Wrench 5 64 1 Figure 6 Inventory A B C D E F G H I NOTICE If you cannot find an item on this list care fully check around inside the machine and packaging mater...

Page 16: ...oak for 5 10 minutes 3 Wipe off the surfaces If your cleaner degreas er is effective the rust preventative will wipe off easily If you have a plastic paint scraper scrape off as much as you can first...

Page 17: ...2 Align the mounting holes in the trunnions with the mounting holes in the sander base 3 Using the 4 3 8 16 x 11 4 hex bolts and 3 8 lock washers secure the table trunnion assembly to the sander base...

Page 18: ...2 Table stop bolt table tilted for clarity 11 Re tighten the jam nut to secure the table stop bolt see Figure 12 Figure 13 Pointer adjustment Scale Retainer Screw Scale Pointer 9 Tighten both table lo...

Page 19: ...ox Oil It is critical that you make sure there is oil in the gearbox before proceeding with the test run Remove the spindle gearbox oil fill cap and use the dipstick to make sure the oil level is full...

Page 20: ...ty information DO NOT operate or allow others to operate machine until the information is understood To test run the machine 1 Clear all setup tools away from machine 2 Connect machine to power supply...

Page 21: ...ays wear safety glasses and a respirator when operating this machine If you are not experienced with this type of machine WE STRONGLY RECOMMEND that you seek additional training outside of this manual...

Page 22: ...ld damage the sanding belt or eject from the workpiece during sand ing Scrape all glue off the workpiece before sanding Glue deposits on the workpiece hard or soft can gum up the sanding belt and prod...

Page 23: ...e has not been removed for some time and is stuck run the machine until the spindle housing heats up then retry Figure 21 Spindle removal Jam Nuts Spindle Retainer Nut Wrench The Model G1071 is suppli...

Page 24: ...x nut and flange disk DO NOT need to be removed NOTICE Monitor the wear on the sanding sleeves The upper portion of the sanding sleeve often gets very little use If this is the case flip the sanding s...

Page 25: ...nstall the table insert 1 DISCONNECT MACHINE FROM POWER 2 Determine which table insert is best for the particular spindle you are using 3 Install the insert over the mounted spindle and into the reces...

Page 26: ...a workpiece 1 DISCONNECT MACHINE FROM POWER 2 Adjust the table to the desired angle and secure it into position with the trunnion lock handles shown in Figure 26 3 Rotate the spindle by hand to ensur...

Page 27: ...sortment of basic eye protection Basic Eye Protection T20501 Face Shield Crown Protector 4 T20502 Face Shield Crown Protector 7 T20503 Face Shield Window T20451 Kirova Clear Safety Glasses T20452 Kiro...

Page 28: ...Medium Half Mask Respirator H3632 Large Half Mask Respirator H3635 Cartridge Filter Pair P100 Wood dust has been linked to nasal cancer and severe respiratory illnesses If you work around dust everyd...

Page 29: ...rings are shielded and permanently lubricated simply leave them alone until they need to be replaced Do not lubricate them as this will only attract dust and result in possible premature bearing failu...

Page 30: ...ion Oil Drain Plug Sander Base Sanding Sleeves As sanding sleeves are used they will become loaded with saw dust If not removed this saw dust will harden on the abrasive surface greatly reducing the e...

Page 31: ...for task 7 Motor overheated 8 Motor at fault 1 Decrease feed rate 2 Only sand wood ensure moisture is below 20 3 Wire motor correctly 4 Test for good contacts correct wiring 5 Test repair replace 6 C...

Page 32: ...ing Grains rub off the sanding sleeve 1 Sanding sleeve has been stored in an incorrect environment 2 Sanding sleeve has been folded or smashed 1 Store sanding sleeve away from extremely temperature an...

Page 33: ...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 34: ...rewired 5 15 Plug 240 VAC As Recommended 6 15 Plug PADDLE SWITCH viewed from behind Ground The motor wiring shown here is current at the time of printing but it may not match your machine Always use t...

Page 35: ...0V2 24 101V2 23 23 22 97 16 99 13 18 19 18 89 89 89 89 90 20 91 17 15 9 8 1 8 104 103 69 87V2 54 114 10 20 21 21 102 93 82V2 25B 95 94 96 68 55 A A 73V2 66 5 85 6 80 80 82V2 65 70 92V2 82V2 119 81 82V...

Page 36: ...093 CAP SCREW 3 8 16 X 3 4 18 P1071018 BEARING BLOCK 94 P1071094 BALL BEARING 6206ZZ 19 P1071019 WORM GEAR 24T 95 P1071095 SEAL 30 62 8 20 P1071020 CONNECTING ROD 96 P1071096 INT RETAINING RING 62MM 2...

Page 37: ...3 P1071063 SPINDLE HOLDER 30 P1071030 SPINDLE 1 2 64 P1071064 SPINDLE HOLDER 31 P1071031 RETAINER 77V2 P1071077V2 FLAT WRENCH 1 1 8 V2 01 02 32 P1071032 SPINDLE 5 8 77 1 P1071077 1 FLAT COMBO WRENCH 7...

Page 38: ...BEL 208V2 P1071208V2 MACHINE ID LABEL V2 11 10 204 P1071204 SANDING DRUM INJURY LABEL 209 P1071209 TOUCH UP PAINT GRIZZLY GREEN 205 P1071205 HEARING PROTECTION LABEL 210 P10712010 ELECTRICITY LABEL 20...

Page 39: ...for incidental contingent special or consequential damages arising from the use of our products The manufacturers reserve the right to change specifications at any time because they constantly strive...

Page 40: ......

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