ONE WRECKER FUNCTION DOES NOT OPERATE FROM WRECKER REMOTE CONTROL

TM 9-2320-366-20-3

aa6. ONE WRECKER FUNCTION DOES NOT OPERATE FROM WRECKER REMOTE CONTROL

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)

Top control panel cover removed

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

(para 17-20).

Multimeter, Digital (Item 22, Appendix C)

Front middle and lower panel covers

M1089 Solenoid Test Adapter (Item 8, Appendix E)

removed (para 17-20).

Goggles, Industrial (Item 15, Appendix C)

Air tanks drained (TM 9-2320-366-10-1).

References

Personnel Required

TM 9-4910-571-12&P

(2)

START

WARNING

Read WARNING

KNOWN INFO

TEST OPTIONS

on following page.

Air Pressure Test

Circuit breaker CB50 OK.

STE/ICE-R Test #50

Hydraulic functions OK.

Is 75 to 120 psi (517 to

REASON FOR QUESTION

STATION SELECTOR switch to

827 kPa) present at

REMOTE CONTROL.

If air pressure at solenoid valve

solenoid valve output?

MODE SELECTOR SWITCH to

output is not present, solenoid

NORMAL

valve assembly is faulty.

Air system OK.

Electrical functions OK.

POSSIBLE PROBLEMS

Faulty solenoid valve

assembly.

Faulty air hose.

Faulty upper or lower valve

assemblies.

YES

Notify DS Maintenance.

2-2432

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