2
Component Removal and Installation
17
Meritor WABCO
Maintenance Manual 34 (Revised 03-16)
3.
Remove the screws, receptacle and O-ring from the base to
access the retainer screw.
4.
Remove the retainer screw and then remove the entire heater
assembly.
5.
Install the O-ring to heater connector housing.
6.
Install the new element and thermostat in their cavities.
NOTE:
For dryers with date codes of 0894 or earlier, follow the
special instructions in the replacement kit to complete the
installation.
7.
Install the new retainer and screw to hold the element and the
thermostat in place.
8.
Install the receptacle and fasten them in place with the screws.
Figure 2.6.
Figure 2.6
Turbo Cut-Off Valve Assembly
NOTE:
E Series air dryers use a different turbo cut-off valve
assembly. Refer to parts book PB-8857AS, Anti-Lock Brake
Systems and Air Systems Parts. To obtain this publication, refer to
the Service Notes page on the front inside cover of this manual.
NOTE:
Use the grease included with the replacement kit to lubricate
O-rings and seals.
System Saver 1200/1800 Series Turbo Cut-Off Valve
Assembly
1.
Review Figure 2.7 to ensure you have all of the parts required
to replace the turbo cut-off valve.
Figure 2.7
2.
Remove the snap ring. The cover and spring may fall out of the
bore when the snap ring is removed.
3.
Use needle nose pliers to remove the piston. Figure 2.8.
Figure 2.8
4.
Clean and inspect the valve bore. If the bore is damaged so
that a tight seal cannot be maintained, replace the air dryer.
Figure 2.8.
5.
Install new lip seal on piston. Seal lip must face up (toward top
of piston).
NOTE:
Kits made after 12-1-09 use an O-ring in place of a lip
seal.
Figure 2.6
10021
6
8
a
O-RIN
G
HEATER
ELEMENT
THERMOSTAT
RECEPTACLE
Figure 2.7
Figure 2.8
10021
69a
Spring not used in
U Series air dryers.
LIP SEAL
PISTON
SPRIN
G
O-RIN
G
COVER
SNAP RIN
G
CAP
G
REASE
1002170
b
PISTON
SPRIN
G
COVER
Summary of Contents for 1200 Plus MCP
Page 4: ...Notes...
