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Troubleshooting 

WARNING

 

 

Disconnect from air supply before changing accessories, cleaning, or servicing. 

Use the following table to troubleshoot problems before contacting service personnel or your local 
dealer. If the problem continues after troubleshooting, call your local dealer for assistance. 

 

Failure 

Possible Cause 

Corrective Action 

Gun pumps little 
or no grease.

 

Barrel is not completely tightened.

 

Tighten the barrel completely.

 

Air pockets are trapped in grease.

 

Remove air pockets by referring to 
Removing Trapped Air section.

 

Blocked grease gun extension. 

 

Remove the extension and operate the 
grease gun. If the gun dispenses grease, 
the gun is fine. Clean or replace the 
extension.

 

Grease too thick or cold.

 

Store the grease gun and grease away 
from extreme cold or use thinner grease.

 

Excessive 
grease leaking 
past the follower.

 

Follower is damaged.

 

Replace the grease gun.

 

Improper seal between the plunger 
and the grease gun barrel when 
using bulk fill or transfer pump.

 

Gun cycles very 
slowly.

 

Inadequate lubrication of the 
pumping chamber.

 

Place a few drops of lubricating oil through 
the quick connect coupler fitting.

 

Summary of Contents for 75357

Page 1: ...perated Grease Gun Owner s Manual WARNING Read carefully and understand all ASSEMBLY AND OPERATION INSTRUCTIONS before operating Failure to follow the safety rules and other basic safety precautions m...

Page 2: ...nt that you read the entire manual to become familiar with this product before you begin using it This product is designed for certain applications only Northern Tool and Equipment is not responsible...

Page 3: ...ions 4 Important Safety Information 4 Specific Operation Warnings 6 Main Parts of Grease Gun 7 Assembly Instructions 7 Before Each Use 11 Operating Instructions 11 After Each Use 12 Maintenance 12 Tro...

Page 4: ...m 0 026 cubic meter and above Continuous flow Up to 14 oz min Grease filling options Cartridge loading Bulk fill Filler pump loading Cartridge capacity 14 oz Bulk capacity 500 cm Thread 1 8 NPT Import...

Page 5: ...act will cause electrical shock Keep children and bystanders away from the work area while operating the tool Do not allow children to handle the product WARNING PERSONAL SAFETY Stay alert watch what...

Page 6: ...ildren Inspect the tool for good working condition prior to storage and before re use Use only accessories that are recommended by the manufacturer for use with your product Accessories that may be su...

Page 7: ...pler 5 Rigid steel extension 6 Grease coupler Assembly Instructions Setting up the Grease Gun Head Refer to the Parts Diagram Note Use Teflon tape while connecting rigid steel extension 38 to the gun...

Page 8: ...refilling To check if a cartridge is in the grease gun barrel 23 pull the plunger handle out to the extended position and lock it in place 3 Remove the gun head 1 by turning it counter clockwise WARNI...

Page 9: ...ways to load the grease gun Cartridge Loading Bulk Fill Filler Pump Loading Cartridge Loading 1 Completely draw back the plunger handle and lock it in place 2 Remove the gun head 1 from the grease gun...

Page 10: ...ve the gun head 1 from the grease gun barrel 23 by turning it counter clockwise 3 Fill the gun barrel 23 with grease using a spatula or grease scooper 4 Reassemble the gun head 1 with the grease gun b...

Page 11: ...inimum volume of 1 CFM 0 026 cubic meter Line pressure should be increased to compensate for long air hoses over 26 feet Inlet air supply should have a pressure between 40 120 PSI The recommended work...

Page 12: ...re in a safe dry childproof location Keep the gun clean and in good working order for the best and safest performance Maintenance WARNING Disconnect from air supply before changing accessories cleanin...

Page 13: ...ed in grease Remove air pockets by referring to Removing Trapped Air section Blocked grease gun extension Remove the extension and operate the grease gun If the gun dispenses grease the gun is fine Cl...

Page 14: ...Adapter 1 5 5 O Ring holder 1 6 6 O ring 1 7 7 O ring 1 8 8 Inlet valve male quick connect coupler 1 9 9 Screw 4 10 10 Screw 1 11 11 Nylock nut 1 12 12 Trigger 1 13 13 Push button 1 14 14 Spring trig...

Page 15: ...tension 1 39 39 Handle 1 Replacement Parts For replacement parts and technical questions please call Customer Service at 1 800 222 5381 Not all product components are available for replacement The ill...

Page 16: ...claim contact Us at 1 800 222 5381 identify the product by make and model number and follow the claim instructions that will be provided The product and the purchase receipt must be provided to Us in...

Page 17: ...Page 17 of 17 Distributed by Northern Tool Equipment Company Inc Burnsville Minnesota 55306 www northerntool com Made in India...

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