768 & 772 TRACTORS Controls Caterpillar


Controls
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1.1. Trailing Unit Hydraulic Control
2.1. Extended-Braking Control
3.1. Front Wheel Brake Control
4.1. Trailing Unit Brake Control
5.1. Emergency Brake Control
6.1. Emergency Steering Switch

Trailing Unit Hydraulic Control


(1) DUMP

(2) HOLD

(3) FLOAT

(4) CLOSE

Extended-Braking Control

Pull control back to apply the tractor oil cooled rear brakes.

Push control forward to release brakes.

Control position determines the amount of braking. The farther back the control, the more the braking effort.

Front Wheel Brake Control

Switch control to ON position for both front and rear brake operation when service brake pedal is depressed (all brakes applied).

Switch control to OFF position for rear brake only operation when service brake pedal is depressed (tractor rear and trailing unit brakes applied).

Trailing Unit Brake Control

Pull control back to apply trailing unit brakes.

Push lever forward to release trailing unit brakes.

Control position determines the amount of braking. The farther back the control, the more the braking effort.

Emergency Brake Control

Pull lever back to apply emergency brakes (tractor rear and trailing unit brakes).

Push lever forward to release emergency brakes.


NOTICE

Do not use emergency brakes for parking.


Emergency Steering Switch

Push switch to NORMAL for normal operation.

Push switch to ON if a malfunction occurs in the steering system or tractor engine stops.

Emergency steering light will come on when the switch is moved to the ON position.