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310–534
Air Motor Troubleshooting
For more information about the air motor, see the air motor’s documentation.
Problem
Cause(s)
Solution(s)
Air motor will not shift directions,
stalled in DOWN position
Main air valve is dirty or damaged.
Clean/rebuild main air valve.
Air motor will not shift directions,
stalled in UP position
Air motor stalled halfway between
the top and bottom
Air continually exhausting around
air motor shaft
Air motor shaft seal is damaged.
Replace air motor shaft seal.
Air continually exhausting around
the air valve/slide valve
Air valve/slide valve gasket is damaged. Replace the valve gasket.
Air continually exhausting from
muffler while the motor is idle
Internal seal damage.
Rebuild air motor.
Oil leaking from exhaust port
Too much lubricant mixed in with the air
supply.
Reduce lubricant supply.
Frost build-up on muffler
Air motor operating at high pressure, or
high cycle rate.
Reduce pressure, cycle rate, or
duty cycle of the air motor.
Summary of Contents for Therm-O-Flow 55-H
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Page 60: ... 310 534 Electrical Control Panel and Wiring for C32428 240 VAC Lines 100 121 122 122 ...
Page 64: ...64 310 534 Electrical Control Panel and Wiring for C32428 240 VAC Lines 200 220 ...
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Page 66: ... 310 534 Electrical Control Panel and Wiring for C32429 480 VAC 122 122 Lines 100 121 ...
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