BENDIX TC-6 BRAKE VALVE Manual

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Bendix

TC-6

FIGURE 1

DESCRIPTION

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The Bendix

TC-6

trailer control brake valve is normally

used to operate the trailer brakes independently of the tractor

brakes. It may be used, however, wherever a hand controlled

pressure graduation function is desired.

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The TC-6

valve is handle operated and is designed for panel

or dog house mounting.

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The TC-6

trailer control brake valve is not designed for use

as a parking brake control and should never be used to

hold the brakes applied when the operator leaves the vehicle.

OPERATION

APPLYING

When the handle (item 10) is pulled through its 75° arc, the

roller cam (item 11) is rotated accordingly. The cam action

forces the cam follower (item 9) downward, compressing

the graduating spring (item 6) and creating a force on the

plunger (item 12) which depresses the inlet valve (item 2)

and delivers air under pressure to the delivery port.

Trailer Control Brake Valve

KNOB

EXHAUST

FIGURE 2

HOLDING

As delivery pressure builds up in the delivery port, it is also

effective under the plunger (12) causing it to balance the

force of the graduating spring (6) until the inlet valve (2) is

seated against its seat in the body and is also seated against

the plunger (12), thus preventing the delivery air from

exhausting through the center of the plunger (12),

maintaining the desired pressure in the delivery line.

RELEASING

When the handle is released or moved to its release position,

the cam follower (9) is permitted to rise, opening the exhaust

passage and allowing the air pressure in the delivery line to

exhaust out the exhaust port.

PREVENTIVE MAINTENANCE

Important: Review the Bendix Warranty Policy before

performing any intrusive maintenance procedures. A warranty

may be voided if intrusive maintenance is performed during

the warranty period.

DELIVERY

SUPPLY