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Maintenance
Lubrication
The air valve is lubricated at the factory and designed
to operate without additional lubrication.
If added lubrication is desired, every 500 hours of
operation (or monthly), remove the hose from the
pump air inlet and add two drops of machine oil to the
air inlet.
CAUTION
Do not over-lubricate the pump. Excess oil is
exhausted through the muffler, which could con-
taminate your fluid supply or other equipment.
Tightening Threaded Connections
Before each use, check all hoses for wear or damage,
and replace as necessary. Be sure all threaded con-
nections are tight and free of leaks.
Check fasteners. Tighten or retorque as necessary.
Although pump use varies, a general guideline is to
retorque fasteners every two months. See Torque
Sequence, page 18.
Flushing and Storage
Flush the pump to prevent the fluid from drying or
freezing in the pump and damaging it. Always flush
the pump and relieve the pressure before storing for
any length of time. Use a compatible solvent.
WARNING
To reduce the risk of serious injury whenever you
are instructed to relieve pressure, always follow the
Pressure Relief Procedure on page 8.
If you are flushing, run the pump long enough to
thoroughly clean the pump and hoses, close the air
regulator, and remove the suction hose from the
solvent and place it in the fluid to be pumped.
If you are shutting down the pump, remove the suction
hose from the fluid container, run the pump until the
fluid is forced out of the system, and shut off the air
supply immediately.