Troubleshooting - Graco Fast-Flo A Series Instructions Manual

Troubleshooting

Troubleshooting Troubleshooting
Problem
Problem Problem
Air motor stalls
Air leaks down along the piston shaft (23)
Air leaks from the piston shaft relief holes (23a)
Slow operation
307456W
Follow Pressure Relief Procedure, page 6
you check or service any system equipment.
NOTE: Check all other possible problems and
NOTE NOTE
solutions before disassembling the pump.
Solution
Solution Solution
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).
Replace the v-block packing (9).
Clean and service the piston (11).
Icing; allow the air motor to thaw.
Muffler (26) clogged. Clean the muffler with mineral
spirits. See Cleaning the Muffler, page 8
Troubleshooting
before
.
7