April 2019
Fourth Edition - Third Printing
Part No.
57.0009.0619GT
GTH-5519 27
Test the Steering
21 Rotate the steer selector to the right side to select
four-wheel steer.
22 Check the steering operation by turning the
steering wheel approximately ¼ turn in each
direction.
Result: The front wheels should turn in the same
direction as the steering wheel. The rear wheels
should turn in the opposite direction.
23 Straighten the wheels.
24 Rotate the steer selector to the middle position
to select two-wheel steer.
25 Check the steering operation by turning the
steering wheel approximately ¼ turn in each
direction.
Result: The front wheels should turn in the same
direction as the steering wheel. The rear wheels
should not turn.
26 Straighten the wheels.
27 Rotate the steer selector to the left to select
crab steer.
28 Check the steering operation by turning the
steering wheel approximately ¼ turn in each
direction.
Result: The front wheels and the rear wheels
should turn in the same direction as the steering
wheel.
Test the Transmission and Brakes
29 Be sure the boom is fully lowered and retracted.
30 Step on the brake pedal. Push the top of the
parking brake switch to turn it off.
31 Move the transmission control lever to forward.
Slowly let up on the brake pedal. As soon as the
machine starts to move, push the brake pedal.
Result: The machine should move forward, and
then come to an abrupt stop.
32 Move the transmission control lever to reverse.
Slowly let up on the brake pedal. As soon as the
machine starts to move, push the brake pedal.
Result: The machine should move in reverse,
and then come to an abrupt stop. The back-
up alarm should sound when the transmission
control lever is in reverse.
33 Move the transmission control lever to neutral.
34 Push the bottom of the parking brake switch.
Result: The red parking brake indicator light
should come on, indicating the parking brake
is on.
35 Move the transmission control lever forward, and
then in reverse.
36 With the foot on the service brake, slowly release
the service brake.
Result: The machine should not move.
Inspections