6 Appendix III — Special Applications
39
Meritor WABCO Maintenance Manual 34 (Revised 03-16)
Figure 6.3
2. Unscrew and remove the Econ valve from the air dryer inlet
port 1. Save fitting for reinstallation.
3. Install the replacement Econ valve.
앫 Apply a good quality teflon paste pipe sealant, like Loctite
PST 567, on male threads of the replacement Econ valve.
4. Reconnect the lines to the Econ valve at air dryer inlet port
(Port 1).
ECON Valve Replacement on System Saver 1200E
Air Dryers
To replace the Econ valve assembly on Meritor WABCO System
Saver 1200E air dryers, follow these instructions.
1. Remove the Econ valve assembly.
A. Using a flare wrench, loosen the compression nuts on
each end of the U-shaped tube. Figure 6.4 and
Figure 6.5.
Figure 6.4
Figure 6.5
B. Loosen and remove the restricted-flow nut on the air
dryer.
C. Remove the metal washer.
D. Using a wrench, loosen and remove the Econ valve from
the banjo fitting.
Figure 6.3
1002186b
ECON
VALVE
PRESSURE
RELIEF VALVE
ASSEMBLY
PORT 1
Figure 6.4
Figure 6.5
METAL
WASHER
COMPRESSION
FEMALE
NUT
COMPRESSION
FEMALE
NUT
ECON
VALVE
METAL
WASHER
O-RING
TUBE
BANJO
FITTING
4003881a
ECON
VALVE
WASHER
TUBE
BANJO
FITTING
4003882a
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