Professional Lever 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.
Thank you very much for choosing a Roughneck® product! For future reference, please complete the owner’s record below: Serial Number/Lot Date Code: ________________________________ Purchase Date: ____________________________________________ Save the receipt, warranty, and this manual. It is important 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.
Table of Contents Intended Use .......................................................................................................................................... 4 Packaging Contents .............................................................................................................................. 4 Technical Specifications ...................................................................................................................... 4 Important Safety Information .................
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.
product will be safer and do a better job at the capacity for which it was intended. DO NOT use this equipment for a purpose for which it was not intended. • Industrial or commercial applications must follow OSHA requirements. ⚠WARNING PROP 65 • This product can expose you to chemicals including lead and phthalates, which is known to the State of California to cause cancer. For more information, go to www.p65warnings.ca.gov. ⚠WARNING WORK AREA SAFETY • Inspect the work area before each use.
• Secure the work with clamps or a vise instead of your hand when practical. This safety precaution allows for proper tool operation using both hands. ⚠CAUTION GREASE GUN USE AND CARE • Do not force the grease gun. Products are safer and do a better job when used in the manner for which they are designed. Plan your work and use the correct product for the job. • Check for damaged parts before each use. Carefully check that the product will operate properly and perform its intended function.
Main Parts of Grease Gun Subassembly 1. Grease gun barrel 2. Grease gun head 3. Grease coupler 4. Rigid steel extension Assembly Instructions Setting up the Grease 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.
⚠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 and may cause it to fracture. Loading the Grease Gun Removing the Cartridge 1. Pull out the plunger handle (6) to its maximum distance and lock it in place. 2. Remove the grease gun head (2) by turning it counter-clockwise. 3.
Cartridge Loading 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. 3. Insert 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.
3. Fill the grease gun barrel (1) with grease using a spatula or grease scoop. 4. Reassemble the grease gun head (2) to the grease gun barrel (1) by turning it clockwise. Filler Pump Loading 1. Fully draw back the plunger handle (6) and lock it in place. 2. Insert the bulk loader valve (8) into the filler pump socket. 3. Operate the filler pump to fill the grease gun barrel (1). 4. Disconnect the grease gun from the filler pump. The grease gun is ready to use.
3. Move the plunger rod (7) forward and backward to remove any trapped air pockets. 4. Tap the manual air release valve (9) again to release the trapped air. The grease gun is now ready to use. Before Each Use Before using the grease gun, check that all connections are secure and that all parts of the product are in good working condition. Operating Instructions ⚠WARNING • Always wear the proper protective equipment, including ANSI Z87.1 compliant eye protection. • High Pressure Fluid Hazard.
After Each Use ⚠WARNING • After each use, store the gun in a safe, dry, and childproofed location. Keep the gun clean and in good working order for best and safest performance. Maintenance ⚠WARNING • After each use, store the gun in a safe, dry, and childproofed location. Grease guns and extensions should be kept clean and checked for damage before each use. Maintain the grease gun by adopting a program of conscientious repair and maintenance in accordance with the following recommended procedures.
Failure Possible Cause Corrective Action Blocked grease gun extension. Remove the extension and operate the grease gun. If the gun dispenses grease then the gun is fine. Clean or replace the extension. Grease is too thick or cold. Store grease gun and grease away 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.
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 illustrations 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.
Limited Warranty Northern Tool and Equipment Company, Inc. ("We'' or "Us'') warrants to the original purchaser only ("You'' or "Your") that the Roughneck product purchased will be free from material defects in both materials and workmanship, normal wear and tear excepted, for a period of one year from date of purchase. The foregoing warranty is valid only if the installation and use of the product is strictly in accordance with product instructions.
Distributed by: Northern Tool & Equipment Company, Inc. Burnsville, Minnesota 55306 www.northerntool.