BENDIX C-5 CUT OUT COCK Manuel

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Bendix

C-5

Cut-Out Cock

FIGURE 1

DESCRIPTION

The C-5

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cut-out cock is a manually operated on-off valve.

Cut-out cocks are used in an air brake system where a

manual shut off air lines is desirable such as in trailer and

trailer dolly systems.

OPERATION

Note that in Figure 1 the C-5

ball valve between two valve seats. Rotating the ball valve

90° will either open or close the air passage through the

cut-out cock.

PREVENTIVE MAINTENANCE

Every six months, 1800 operating hours, or 50,000 miles

the cut-out cock should be checked for leakage around the

ball valve and past the stem o-ring. Once each year, 3600

hours, or 100,000 miles the C-5

disassembled, cleaned, and inspected for signs of wear or

deterioration.

OPERATING HANDLE

CAP NUT

REDUCER

BUSHING

O-RING

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cut-out cock uses a metal

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cut-out cock should be

LOCK NUT

O-RING

VALVE SEATS

VALVE

BODY

LEAKAGE CHECK

With the valve in the closed position and air pressure present

on either side, a soap solution is applied to the side open to

atmosphere. A leakage of not more than a 1" bubble in 5

seconds is permitted.

NOTE: Leakage should be checked in each direction since

it is possible for the valve to seal in one direction

but not the other.

If the cut-out cock leaks excessively or if wear or deterioration

is noted during routine maintenance, it is recommended that

it be replaced with a new unit or repaired with genuine Bendix

parts.

REMOVING AND INSTALLING

REMOVING

Block and hold vehicle by means other than air brakes.

Completely drain all reservoirs. Disconnect air lines from

both sides of the cut-out cock.

STEM

WASHER

CLAMPING

STUD