Allow pump to operate: Pumping Grease into the hose. Allow approximately 1/3 Cup of Grease to flow out of
the Hose. This is to insure that any particles or contaminants or residue inside the hose do not enter the
ATD5218 Control Valve. Stop Pump; Install the ATD5218 Control Valve on the hose; The optional “Z”
swivel (ATD5253) can also be installed at this time. Make sure connections are tight; Resume operation of the
pump. The pump should reach stall pressure and stop.
Are you in a messy
Environment?
The second biggest killer of these pumps is foreign material such as grit,
dirt, rocks, metal shavings, grass, plastic shavings being introduced into
the pump tube.
We suggest the ATD5356 pump tube strainer to avoid this problem.
Test the System
Pull the Trigger slowly and Grease should be ejected from the nozzle.
Don’t point it at anyone!
Never Put your Finger or Other Bodily parts near the valve control nozzle when pulling the trigger on the
control valve ATD5218.
To know the amount of lubricant pressure in your system or the hose, multiply the amount of air pressure by 50.
For example, if there is 100 psi of air pressure indicated on the regulator (100 psi of air entering) then there is
5000 psi of grease pressure in the lubricant line.
Note: Plastic Liner
If the grease gun has a plastic liner and your pump operates but no grease is
delivered, the downtube of the pump could be trying to pick up the plastic
liner and the downtube is blocked. SOLUTION: Reseat the pump in the
grease by lifting the pump approximately 12” and reseating it on top of the
drum. You can permanently raise the pump up at least 1”-2” out of the drum
on blocks or install a grease strainer (ATD5356) on the downtube to prevent
the liner from being picked up.
Note: Pump life &
Air motor lubrication
Please read the troubleshooting guide now. Your pump air motor has been
packed with grease at the factory. In addition, approximately 4-8 fl oz’s of
common lubricating motor oil has been injected into the air inlet port of the
air motor. To ensure the continuing operating efficiency and long life of your
air motor pump, we recommend that you inject at least 2 fl oz’s of common
lubricating motor oil in the inlet port every week.
Do not use any synthetic oil like Marvel Mystery Oil. This will swell the
Buna-N packings of the pump and cause irreparable damage to the pump.
Rev: 05-04-05
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