TM 55-1520-240-T
7-5.4 POWER STEERING SYSTEM OPERATIONAL CHECK (Continued)
7-5.4
TASK
RESULT
15.
16.
17.
18.
19.
20.
21.
22.
23.
24.
25.
Have helper set BRAKE STEER
switch (8) to ON. Close guard (7).
Have helper set SWIVEL switch (2)
to UNLOCK. Manually turn wheel
slowly counterclockwise 90
degrees. Set SWIVEL switch (2) to
STEER.
Manually return wheel to neutral.
Have helper turn STEERING CONTROL
knob (5) to extreme RIGHT position.
Have helper set SWIVEL switch (2) to
LOCK, then STEER.
Have helper turn STEERING CONTROL
knob (5) to extreme RIGHT position.
Have helper set SWIVEL switch (2)
to UNLOCK. Manually turn wheel
slowly clockwise 90 degrees. Set
SWIVEL switch (2) to STEER.
Manually return wheel to neutral.
Have helper turn STEERING CONTROL
knob (5) to extreme LEFT position.
Have helper set SWIVEL switch (2) to
LOCK, then STEER.
Have helper turn STEERING CONTROL
knob (5) to extreme LEFT position.
PWR STEER caution light (9) shall come on. The
wheel shall not move. If it does, replace STEER-
ING CONTROL box.
PWR STEER caution Iight (9) shall stay on. If not
replace STEERING CONTROL box. Refer to TM
5 5 - 1 5 2 0 - 2 4 0 - 2 3.
Wheel shall not move. If it does, replace STEER-
ING CONTROL box. Refer to TM 55-1520-240-
23.
Aft right wheel shall swivel counterclockwise. If
not, replace STEERING CONTROL box. Refer to
T M 5 5 - 1 5 2 0 - 2 4 0 - 2 3.
PWR STEER caution light (9) shall come on.
Wheel shall not move. If it does, replace STEER-
ING CONTROL box.
PWR STEER caution light (9) shall stay on, if not
replace STEER CONTROL panel.
Wheel shall not move. If it does, replace STEER
CONTROL box. Refer to TM 55-1520-240-23.
PWR STEER caution light (9) shall go out.
Wheel shall swivel clockwise, if not, replace
STEERING CONTROL Panel.
—
FOLLOW-ON MAINTENANCE:
T M 5 5 - 1 5 2 0 - 2 4 0 - 2 3:
Battery Disconnected
Electrical Power Off
Hydraulic Power Off
Jack at Aft Right Landing
Gear Removed
Aft Right Landing Gear
Access Panel Closed.
END OF TASK
Change 1
7-163
