TM-9-2320-279-20-1

M977 SERIES, 8x8 HEAVY EXPANDED MOBILITY TACTICAL TRUCKS (HEMTT)

TECHNICAL MANUAL; MAINTENANCE INSTRUCTIONS; ORGANIZATIONAL MAINTENANCE, VOLUME 1 OF 3

TM-9-2320-279-20-1 - Page 951 of 985

TM 9-2320-279-20-1

Electrical System Maintenance Instructions (Cont)

7-100. ETHER START SWITCH REMOVAL/INSTALLATION (CONT).

NOTE

If switch is loose in panel after tightening

knurled nut, remove ETHER START switch

and turn jamnut counterclockwise two

turns. Repeat procedure as necessary until

ETHER START switch is tight.

(4)

Install and tighten knurled nut (7).

c. Follow-on Maintenance.

(1)

Install instrument panel (para 7-19).

NOTE

Coolant temperature must be below 55°F

(13°C) to activate ETHER START.

(2)

Check operation of ETHER START switch (TM 9-2320-279-10).

END OF TASK

7-101. HORN SWITCH CONTACT ROLLER REMOVAL/INSTALLATION.

This task covers:

a. Removal

c. Follow-on Maintenance

b. Installation

INITIAL SETUP

Models

References

All

None

Test Equipment

Equipment Condition

None

TM or Para

Condition Description

Special Tools

Para 7-19

Instrument panel removed.

None

Para 13-2

Steering wheel removed.

Supplies

Special Environmental Conditions

Tape, insulation, electrical, Item 50,

None

Appendix C

Ties, cable, plastic, Item 52, Appendix C

General Safety Instructions

None

Personnel Required

MOS 63S, Heavy wheel vehicle mechanic

7-366