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TACH/HOURMETER BOX REPLACEMENT (Cont’d) | Up
TM-9-2320-362-14P Truck Tractor M1070 8 x 8 Heavy Equipment Transporter (HET) Manual | Next
TACHOMETER REPLACEMENT (Cont’d) |
TM 9-2320-362-14&P
3-18. TACHOMETER REPLACEMENT
This task covers:
a. Removal
b. Installation
INITIAL SETUP:
Tools
Manual Reference
General mechanic’s tool kit:
TM 9-2320-280-10
automotive (Item 1, Section III,
TM 9-2320-280-20
Appendix B)
Equipment Condition
Materials/Parts
Battery ground cable disconnected
Seven lockwashers
(TM 9-2320-280-20)
P/N MS35338-137
One O-ring P/N MS9021-236
1.
Remove seven screws (3), lockwashers (2), and washers (1) from
tach/hourmeter box cover (4).
Discard lockwashers (2).
2.
Remove tach/hourmeter box cover (4) and gasket (5) from
tach/hourmeter box (6).
3.
Remove two knurled mounting nuts (15) and bracket (14) from
tachometer (13) and remove tachometer (13) and O-ring (12) from
tach/hourmeter box (6). Discard O-ring (12).
40
Disconnect leads (10), (11), and (16) from tachometer (13).
1.
Install O-ring (12) to tachometer (13).
2.
Connect leads to tachometer (13) as follows:
a. Red lead (10) to connector (9),
b. Black lead (11) to connector (8),
c. Yellow lead (16) to connector (7).
3.
Install tachometer (13) and bracket (14) on tach/hourmeter box (6) and
secure with two knurled mounting nuts (15).
4.
Install gasket (5) and tach/hourmeter box cover (4) on
tach/hourmeter box (6) and secure with seven washers”(1), lock-
washers (2), and screws (3).
3-34
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