Continuous Flow Air Grease Gun 68293 Handheld Air Tool Read this material before using this product. Failure to do so can result in serious injury. SAVE THIS MANUAL. When unpacking, make sure that the product is intact and undamaged. If any parts are missing or broken, please call 1-800-444-3353 as soon as possible. Visit our website at: http://www.harborfreight.com Copyright© 2011 by Harbor Freight Tools®. All rights reserved.
Save This Manual General Keep this manual for the safety warnings and precautions, assembly, operating, inspection, maintenance and cleaning procedures. Write the product’s serial number in the back of the manual near the assembly diagram (or month and year of purchase if product has no number). Keep this manual and the receipt in a safe and dry place for future reference. a. To reduce the risk of electric shock, fire, and injury to persons, read all the instructions before using the tool.
refrigerators. There is an increased risk of electric shock if your body is grounded. Tool Use and Care a. Use clamps or another practical way to secure and support the workpiece to a stable platform. Holding the work by hand or against the body is unstable and is able to lead to loss of control. the rated air pressure, or set within the rated airpressure range. b. Never use oxygen, carbon dioxide, combustible gases or any bottled gas as an air source for the tool.
Specific Safety Instructions 1. The warnings and precautions discussed in this manual cannot cover all possible conditions and situations that may occur. It must be understood by the operator that common sense and caution are factors which cannot be built into this product, but must be supplied by the operator. 2.
Air Supply Functional Description Specifications * Operating Air Pressure 90 PSI Air Inlet 1/4 IN. -18 NPT Average Air Consumption 0.2 CFM @ 90 PSI Flow Rate 4.6 OZ. per minute Cartridge Capacity 14 OZ. Components and Controls Trigger (26) AIr Inlet (36) 1. Incorporate a filter, regulator with pressure gauge, oiler, in-line shutoff valve, and quick coupler for best service, as shown on Figure A on page 6 and Figure B on page 7.
Page 6 For technical questions, please call 1-800-444-3353.
SKU 68293 For technical questions, please call 1-800-444-3353.
r the 3 ways to load your grease gun: Lubrication ading: An in-line filter-regulator-lubricator 9. If the tool will not be used at this time, turn off canister and from the head. Work Piece and as it increases tool life and keeps detach the air supply, safely discharge nger head back aircompletely. Work Area Set UpThe in-line lubricator sh any residual pressure, and release operation. the throttle and/or turn the switch to its off en end of the cartridge into the cannister 1.
Maintenance General Operating Instructions 1. If an automatic oiler is not used, add a few drops of Pneumatic Tool Oil to the airline connection before use. Add a few drops more after each hour of continual use. 2. If needed, remove the Nozzle (10) from the Connector (9) and fasten the 12 IN. Hose accessory to the Connector. 3. Once the Grease Gun is attached to air source hose, set the air pressure to 90 PSI.
Troubleshooting Problem Decreased output (tool runs slowly). Possible Causes 1. Not enough air pressure and/or air flow. 2. Obstructed trigger. 3. Incorrect lubrication or not enough lubrication. 4. Blocked air inlet screen (if equipped). 5. Air leaking from loose housing. 6. Mechanism contaminated. Severe air leakage. 1. Cross‑threaded housing (Slight air leakage components. is normal, especially on 2. Loose housing. older tools.) 3. Damaged valve or housing. 4. Dirty, worn or damaged valve.
Parts List and Assembly Diagram Part 1 2 3 4 5 6 7 8 9 10 11 12 12-1 13 14 15 16 17 18 19 Description Part Qty Container Tube Seal Gasket Head Valve Vaccum Valve Steel Ball Tower Spring O-ring Connector Nozzle Screw Tower Spring Tower Spring O-ring Piston Seat Housing Nylon Nut Lever Piston Connector 20 21 22 23 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 1 1 1 1 1 1 1 1 1 1 4 1 1 1 1 1 1 1 4 1 Description Qty Screw Cylinder Spring O-ring Nut Trigger O-ring Trigger Valve O-ring O-ring O-ring Shiel
Limited 1 Year Warranty Harbor Freight Tools Co. makes every effort to assure that its products meet high quality and durability standards, and warrants to the original purchaser that this product is free from defects in materials and workmanship for the period of one year from the date of purchase (90 days if used by a professional contractor or if used as rental equipment).
