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Replacing Pneumatic Tubing
1. Loosen tube at both ends by depressing the push-in fitting release ring then the tube free or by
removing the fitting nut.
2. Note the ferrule type on both ends of the tube then discard tube section and attached ferrules.
3. Select the correct tubing size and cut to the appropriate length:
Motor / Aftercooler tube
13.0 in.
Tank / Aftercooler tube
8.1 in.
Unloader tube
10.0 in.
Case side tank drain tube
15.0 in.
Tank side tank drain tube
24.0 in.
Case drain tube
15.5 in.
4. Slide the fitting nut and the appropriate new ferrule onto the tube and re-attach. When replacing
tubing routed to the aftercooler, make aftercooler connections first.
Unloader Valve Nut
Peak Pressure Adjustment
Compressor Cut-In/Cut-Off
Pressure Differential Adjustment
Control Wire Connections
Motor Wire Connections
Figure F
Pressure Switch Leads
Tank Assembly Screws
Check Valve
1/8 Tube Fittings
Push-In Elbow Fitting
Figure G
Tank Removal
Star Washer
