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5

FIGURE 9

FIGURE 8

VALVE T-1

VALVE T-2

S-1

P-7

P-8

S-4

SUPPLY

T-2 DELIVERY (P-3)

P-1

P-6

P-5

T-1 DELIVERY

(P-4)

P-2

SUPPLY

Содержание MV-1 MODUTROL

Страница 1: ... assembly or connecting air lines Thethreepush pulltypevalvesprovidethefollowingfunctions 1 Tractor protection control 2 Trailer service air supply 3 System park 4 Trailer park only 5 Trailer recharge with tractor spring brakes applied Reference Figs 1 5 valves V 1 and V 2 utilize identical spool inserts The functions of valves V 1 and V 2 are essentially the same as the Bendix PP 1 control valve ...

Страница 2: ...ERY TO TRAILER SUPPLY LINE TRAILERBRAKES RELEASED SYSTEMPARK BUTTONIN DELIVERY BUTTONOUT EXHAUSTS BUTTON OUT UPPER POSSIBLYAUTOMATICIF SUPPLIES BOTH SECTIONS AIR FROM TRACTOR PORTION BLOCKS SUPPLY SUPPLY PRESSURE IS OF V 3 PP 8 AND SV 1 SPRING BRAKES AND AIRFROMV 1 LOW VALVE FROM PILOT SECTION OF LOWER PILOT VALVE PILOTVALVE SV 1 SV 1 IN EXHAUST TRACTOR BRAKES POSITIONEXHAUSTINGAIR APPLIED FROMTRA...

Страница 3: ...EM PARK If the supply or delivery pressure for the push pull module is reduced either valve buttons V 1 or V 2 or both will pop out automatically when the supply pressure is between 35 45 psi When button V 1 pops out the trailer supply line will vent to atmosphere applying trailer brakes should button V 2 pop out the tractor spring brakes will also apply as well as the trailer OPERATING AND LEAKAG...

Страница 4: ... 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 ...

Страница 5: ...5 FIGURE 9 FIGURE 8 VALVET 1 VALVET 2 S 1 P 7 P 8 S 4 SUPPLY T 2 DELIVERY P 3 P 1 P 6 P 5 T 1DELIVERY P 4 P 2 SUPPLY ...

Страница 6: ...llowing general precautions should be observed at all times 1 Park the vehicle on a level surface apply the parking brakes and always block the wheels Always wear safety glasses 2 Stop the engine and remove ignition key when working under or around the vehicle When working in the engine compartment the engine should be shut off and the ignition key should be removed Where circumstances require tha...

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