
TM 5-4310-452-14
4-52. TACH/HOURMETER REPLACEMENT.
This Task Covers:
a. Removal b. Installation
Initial Setup:
Equipment Conditions: Materials/Parts:
• Engine off. • Two lockwashers
• Left door assembly open. Tools/Test Equipment:
• Battery cables disconnected (see paragraph • General mechanic's tool kit
4-57).
a. REMOVAL
1. Remove window (see paragraph 4-55).
2. Loosen 3 screws (2) and remove 5 electrical leads
(7) from tach/hourmeter (1).
3. Remove 2 nuts (6), lockwashers (5), and retainer (4)
from tach/hourmeter (1). Discard lockwashers.
4. Remove tach/hourmeter (1) from indicator panel (3).
b. INSTALLATION
1. Position tach/hourmeter (1) in place in indicator panel (3).
2. Install retainer (4), 2 new lockwashers (5), and nuts (6) on tach/hourmeter (1).
3. Install 5 electrical leads -(7) on tach/hourmeter (1) and tighten 3 screws (2).
4. Install window (see paragraph 4-55).
FOLLOW-ON TASKS:
• Connect battery cables (see paragraph 4-57).
• Close left door assembly.
TA505483
4-98
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