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ELECTRICAL SYSTEM TROUBLESHOOTING AND MAINTENANCE..
5-14.
Hourmeter. (Sheet 1 of 2)
This task covers:
a.
Removal
TM 10-3930-643-20
b.
Cleaning/Inspection
c .
I n s t a l l a t i on
INITIAL SETUP
Tools
Tool Kit, General Mechanics
Materials/Parts
Detergent (App. C, Item 16)
Automotive
Clean cloth (App. C, Item 10)
NSN 5180-00-177-7033
Small tag (App. C, Item 12)
Torques
Except for special torques shown,
all fasteners are tightened to a
standard torque.
Refer to
Appendix E.
EQUIPMENT CONDITION
References
Condition Description
Paragraph 5-47
Battery negative disconnected.
REMOVAL
1.
U s i n g a c r o s s t i p s c r e w d r i v e r,
remove four screws (1) and
washers
( 2 ) f r o m f r o n t o f o p e r a t o r s
compartment.
2.
L i f t i n s t r u m e n t p a n e l ( 3 ) o u t of
housing.
NOTE
All wire must be
tagged when
removed from connector.
Indicate
whether wire is
c o n n e c t e d to
p i n - t y p e o r
socket-type
connector.
3.
Using a 5/16 box wrench, remove two
nuts (4) and lock washers (5)
from
instrument panel (3).
4.
Disconnect wire assemblies (6 and
7 ).
Go to sheet 2
5-107
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