background image

Page 4 of 17 

 

Intended Use 

 

Roughneck’s Professional

 

Air-Operated Grease Gun is used to force lubricant out of the coupler 

into the grease fitting. 

 

Heavy-duty aluminum die cast head with internal bore precision honed for rapid action. 

 

Ergonomic pistol grip and acute angle design is provided for ease of operation, especially in narrow 
spaces. 

 

Discharges grease continuously with the trigger being pressed. 

 

Ideal for use in factory maintenance, agricultural applications, fleet service, and for use on trucks 
connected to vehicle air brake compressors.

 

Packaging Contents 

 

Grease gun 

 

Extension with Grease Coupler 

 

Owner’s Manual 

Technical Specifications 

Property 

Specification 

Handle style 

Pistol grip 

Air inlet thread 

1/4" (F) 

Air inlet pressure 

40-120 PSI 

Recommended air inlet pressure 

90 PSI 

Pressure ratio 

40:1 

Max working pressure 

4800 PSI 

Air consumption 

Min.1 CFM 

Air compressor volume 

1 cfm/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 

Important Safety Information 

WARNING

 

 

Read and understand all instructions. Failure to follow all instructions may result in serious injury 
or property damage. 

 

The warnings, cautions, and instructions in this manual cannot cover all possible conditions or 
situations that could occur. Exercise common sense and caution when using this tool. Always be 
aware of the environment and ensure that the tool is used in a safe and responsible manner.  

 

Do not allow persons to operate or assemble the product until they have read this manual and 
have developed a thorough understanding of how it works. 

 

Do not modify this product in any way. Unauthorized modification may impair the function and/or 
safety and could affect the life of the product. There are specific applications for which the 
product was designed.  

 

Use the right tool for the job. DO NOT attempt to force small equipment to do the work of larger 

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...

Reviews: