TACHOMETER SENDING UNIT REMOVAL/INSTALLATION.

9-2320-279-20-1

Electrical System Maintenance Instructions (Cont)

7-98. TACHOMETER SENDING UNIT REMOVAL/INSTALLATION.

This task covers:

c. Follow-on Maintenance

a. Removal

b. Installation

INITIAL SETUP

References

Models

None

All

Equipment Condition

Test Equipment

None

Condition Description

TM or Para

Special Tools

TM 9-2320-279-10 Engine cover open.

TM 9-2320-279-10 Engine side panel removed.

None

Batteries disconnected.

Para 7-91

Supplies

Special Environmental Conditions

None

Personnel Required

General Safety Instructions

MOS 63S, Heavy wheel vehicle mechanic

None

a. Removal.

(1) Disconnect tachometer sending unit (1) at

connectors (2).

(2) Loosen nut (3) and remove tachometer sending

unit (1) from tachometer drive (4).

b. Installation.

(1) Install tachometer sending unit (1) on tachometer

drive (4) by alining tang with groove. Tighten

nut (3).

(2) Connect connectors (2).

c. Follow-on Maintenance.

(1) Connect batteries (para 7-91).

(2) Start engine and check operation of tachometer

sending unit (TM 9-2320-279-10).

(3) Shut off engine (TM 9-2320-279-10).

(4) Install engine side panel (TM 9-2320-279-10).

(5) Install engine cover (TM 9-2320-279-10).

END OF TASK

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