ALL WRECKER FUNCTIONS DO NOT OPERATE FROM WRECKER CONTROL PANEL

TM 9-2320-366-20-2

e138. ALL WRECKER FUNCTIONS DO NOT OPERATE FROM WRECKER CONTROL PANEL

INITIAL SETUP

Equipment Conditions

Tools and Special Tools

Engine shut down (TM 9-2320-366-10-1).

Tool Kit, Genl Mech (Item 46, Appendix C)

Wrecker control panel top cover removed

Multimeter, Digital (Item 22, Appendix C)

(para 17-20).

STE/ICE-R (Item 41, Appendix C)

Personnel Required

References

(2)

TM 9-4910-571-12&P

START

WARNING

KNOWN INFO

TEST OPTIONS

Read WARNING

Circuit breaker CB50 OK.

Voltage Test or

on following page.

Mode selector switch in

STE/ICE-R Test #89

Is 24 vdc present at

REASON FOR QUESTION

NORMAL position.

station selector switch

If 24 vdc is not present,

Hydraulic functions OK.

front pin?

station selector switch is

Station selector switch

faulty.

in wrecker control panel

position.

Operation from wrecker

control panel OK.

POSSIBLE PROBLEMS

Faulty station selector

switch.

Faulty wrecker control

panel wiring harness.

YES

Replace station selector

switch (para 7-34).

2-1442