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Troubleshooting
WARNING
To reduce the risk of serious injury whenever you
are instructed to relieve pressure, always follow the
Pressure Relief Procedure on page 5.
Relieve the Pressure before you check or service any
system equipment.
NOTE: Check all other possible problems and solu-
tions before disassembling the pump.
Problem
Solution
Air motor stalls Turn off and relieve air pressure to the motor. Turn on the air
supply . If the motor does not start, service the air piston (11)
or springs (5 and 20).
Air leaks down along the piston shaft (23) Replace the v-block packing (9).
Air leaks from the piston shaft relief holes (23a) Clean and service the piston (11).
Slow operation Icing; allow the air motor to thaw.
Muffler (26) clogged. Clean the muffler with mineral spirits. See
Cleaning the Muffler on page 7.