Bendix Commercial Vehicle Systems MV-1 MODUTROL - Manual (Page 4)

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FIGURE 5 - PUSH-PULL VALVE LEAKAGE KEY
S-1
VALVE V-1 VALVE V-2 VALVE V-3
S-3 S-2 S-4 S-5 S-6
P-6
FIGURE 6 - TRACTOR SPRING BRAKE DELIVERY
P-2
P-3 (SUPPLY)
P-5
(DELIVERY TO
TRAILER AIR
SUPPLY
P-6 (EXHAUST)
FIGURE 7
AUXILIARY MODULE LEAKAGE CHART
OPERATING MODE (SUPPLY CHARGED TO 100 PSI)
VALVE
POSITION
T-1 T-2 Leakage
Symptoms Correction
OFF OFF S-1 Replace spool assy.
in T-1
S-4 Replace spool assy.
in T-2
Exhaust Hole P-7 Replace spool assy.
in T-1
Exhaust Hole P-8 Replace spool assy.
in T-2
ON ON Exhaust Hole P-7 Replace spool assy.
in T-1
Exhaust Hole P-8 Replace spool assy.
in T-2