WABCO SYSTEM SAVER HP MM1736, Maintenance Manual

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Component Removal and Installation
Component Removal and Installation
EN
4.2.4 Turbo Cut-Off Valve Assembly
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Use the grease included with the replacement kit to lubricate the O-rings and seals.
1. Remove the snap ring. Figure 18.
Fig. 18
4013287a
O-RING
PISTON
O-RING
SLEEVE
COVER
SNAP
RING
2. Remove the cover.
3. Remove the piston and sleeve.
4. Clean and inspect the valve bore. If the bore is damaged so that a tight seal cannot be maintained,
replace the air dryer.
5. Apply a thin layer of grease to the valve bore and the O-rings.
6. Install new O-rings on the piston and sleeve.
7. Press the piston into the sleeve.
8. Press the piston-sleeve assembly into the air dryer.
9. Install the cover and snap ring.
10. Replace the desiccant cartridge using the detailed instructions provided earlier in this section.
4.2.5 Governor
Function
— The governor controls the cut-in and cut-out pressure of the compressor through signal lines
from the system reservoir as well as the compressor head controlling onload and offload.
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Use only the WABCO governor specified for use with the System Saver HP air dryer.