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Intended Use 

The Roughneck Professional Lever Handle Grease Gun is designed to grease fittings in automotive, 
fleet, industrial, farm, and construction fields. 

 

14-oz. capacity 

 

Grease cartridge or bulk fill 

 

10,000 PSI max. 

 

Delivers up to 1-oz./28 strokes 

 

Lightweight, noncorroding aluminum cylinder 

 

Variable stroke 

 

Zinc-plated steel lever handle 

Packaging Contents 

 

Grease Gun 

 

Steel Extension with Grease Coupler 

 

Owner’s Manual 

Technical Specifications 

Property 

Specification 

Handle Style  

Lever 

Stroke  

Variable stroke 

Max Working Pressure 

10,000 PSI 

Delivers 

1 oz. / 28 strokes 

Grease Filling Options 

Cartridge loading, bulk fill, and filler pump loading 

Cartridge Capacity 

14 oz. 

Bulk Capacity 

500 cm. 

Coupler  

Professional 4-jaw with ball check 

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 
industrial equipment. There are certain applications for which this equipment was designed. This 

Summary of Contents for 75359

Page 1: ...r Handle 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 may result in serious personal injury Item 75359 ...

Page 2: ...nt that you read the entire manual to become familiar with this product before you begin using it This grease gun is designed for certain applications only Northern Tool and Equipment is not responsible for issues arising from modification or improper use of this product such as an application for which it was not designed We strongly recommend that this product not be modified and or used for any...

Page 3: ...tions 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 Troubleshooting 12 Parts Diagram 13 Parts List 13 Replacement Parts 14 Limited Warranty 15 ...

Page 4: ...ety 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 a...

Page 5: ...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 you are doing and use common sense when operating the tool Do not use the tool while you are tired or under the influence of drugs alcohol or medication A moment of inattention while operating the tool may result in serious personal injury Dress ...

Page 6: ... only accessories that are recommended by the manufacturer for use with your product Accessories that may be suitable for one product may create a risk of injury when used with another tool Never use an accessory that has a lower operating speed or operating pressure than the tool itself Keep guards in place and in working order Never operate the product without the guards in place Do not leave th...

Page 7: ...ase Gun Head refer to the parts diagram Note Use Teflon tape while connecting the rigid steel extension 4 to the grease gun head 2 and the grease coupler 3 to the rigid steel extension 4 1 Connect the rigid steel extension 4 to the outlet of grease gun 2 Thread tighten the grease coupler 3 to other end of the rigid steel extension 4 3 Be sure all connections are tight ...

Page 8: ...ways follow the steps listed above before loading the gun There are three ways to load this grease gun Cartridge Loading Bulk Fill Filler Pump Loading WARNING Grease or empty cartridge in barrel is under pressure from the internal spring be alert when removing head of the barrel Do not apply excessive torque or over tighten the grease gun head as this will apply undue stress to the die cast outlet...

Page 9: ...t the open end of the cartridge into the grease gun barrel 1 and push it all the way in 4 Remove the seal or pull the tab end from the cartridge 5 Reassemble the grease gun head 2 to the grease gun barrel 1 by turning it clockwise Bulk Fill 1 Fully draw back the plunger handle 6 and lock it in place 2 Remove the grease gun head 2 from the grease gun barrel 1 by turning it counter clockwise ...

Page 10: ...ir After filling the grease gun remove any trapped air by following these steps 1 After filling the grease gun barrel 1 with grease using any of the previously mentioned methods and reassembling the gun keep the barrel at least 2 3 turns open 2 Release the plunger rod 7 Push down on the plunger handle 6 3 Move the plunger rod 7 forward and backward to remove any trapped air pockets 4 Tighten the g...

Page 11: ...ase gun Do not exceed the max pressure of 10000 PSI Ensure that the trigger is in the OFF position when connecting to the air supply The grease coupler 3 provided at the end of the rigid steel extension 4 has a jaw type construction The coupler jaws will snap on to a grease fitting and maintain a tight fit When connecting the grease coupler 3 to the grease fitting 1 Press the grease coupler 3 stra...

Page 12: ... and grease The following chart is based on a normal operation schedule Maintenance Interval Maintenance Point Daily before operating Make sure all connections are secure After the first 20 operating hours After the first 50 operating hours or every week Troubleshooting WARNING Do not apply excessive torque or over tighten the grease gun head as this will apply undue stress to the die cast outlet ...

Page 13: ...from extreme cold or use thinner grease Excessive grease is leaking out of the follower 10 Follower 10 is damaged Replace the grease gun Gun fails to operate Gun is malfunctioning Contact a qualified technician for repair Parts Diagram Parts List Part Number Part Description Quantity 1 Grease gun barrel 1 2 Grease gun head 1 3 Grease coupler 1 4 Rigid steel extension 1 5 Lever 1 6 Plunger handle 1...

Page 14: ...ns provided are a convenient reference to the location and position of parts in the assembly sequence When ordering parts the following information will be required item description item model number item serial number item lot date code and the replacement part reference number The distributor reserves the rights to make design changes and improvements to product lines and manuals without notice ...

Page 15: ...y 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 order to process Your warranty claim Any returned product that is replaced or refunded by Us becomes our property You will be responsible for return shipping costs or costs related to Your return vi...

Page 16: ...Page 16 of 16 Distributed by Northern Tool Equipment Company Inc Burnsville Minnesota 55306 www northerntool com Made in India ...

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