166
Freedom 38 PPA
Service Manual
809010
6 – Air Compression Components
Replace the compressor inlet valve
The compressor inlet valve kit includes a new O-ring and screws. In addition LOCTITE
®
573™ is needed for sealing the
control valve and compressor contact surfaces.
Remove the compressor inlet valve
1.
Turn OFF the system. Make sure the power switch on the front panel is in the OFF (
O
) position.
2.
Wait for 30 seconds, then disconnect the battery’s negative (-) ground cable.
3.
Drain the air tank to release pressure. See page 61.
4.
Remove pressure from the separation tank by pulling the relief valve on the separation tank manifold. See page 79.
5.
Remove the black base board that is under the rear panel.
6.
Disconnect the oil mist line and check valve from the control valve. See
Remove the air compressor check valve and
7.
Loosen the hose clamp, and disconnect the air intake hose from the control valve.
8.
Remove the 3 screws from the control valve, and remove the valve from the compressor. Remove the O-ring between
the control valve and the compressor. Clean the exposed surface of the compressor.
Be careful not to get any dirt or debris in the compressor while the control valve is
removed.
Install the compressor inlet valve
1.
Apply a continuous bead of LOCTITE 573 to the connecting compressor surface. Surround the outer edge of the
surface. Do not over apply.
2.
Place the O-ring between where the compressor and the control valve connect. Make sure the surface area where
the gasket lies on the compressor is clean and free of debris.
3.
Install the new compressor inlet valve. Make sure the oil mist line connection is facing to the right. Refer to
4.
Connect the oil mist line and check valve. See
Install the air compressor check valve and scavenge line orifice
5.
Connect the air intake hose to the control valve. Tighten the hose clamp to secure the hose.
6.
Reinstall the black base board under the rear panel.
7.
Reconnect the negative (-) ground cable to the battery.
Kit number
Description
Summary of Contents for Freedom 38 PPA
Page 52: ...52 Freedom 38 PPA Service Manual 809010 1 Troubleshooting ...
Page 93: ...Freedom 38 PPA Service Manual 809010 93 3 System Level Components Figure 26 J6 J4 J3 J7 J5 ...
Page 214: ...214 Freedom 38 PPA Service Manual 809010 7 Parts ...
Page 216: ...216 Freedom 38 PPA Service Manual 809010 8 Wiring Diagrams ...
Page 217: ...217 AC wiring diagram AC WIRING DIAGRAM FREEDOM 38 PPA HYPERTHERM ...
Page 218: ...218 12 VDC wiring diagram 12VDC WIRING DIAGRAM FREEDOM 38 PPA HYPERTHERM ...