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TM 10-3930-643-20
ELECTRICAL SYSTEM TROUBLESHOOTING AND MAINTENANCE. (cont)
5-20.
Bulb Check, Engine Fan, Rear Service Lights, Front Service Lights and
Ether Start Switches. (Sheet 1 of 4)
This task covers:
a. Removal
b .
Cleaning/Inspection
c .
I n s t a l l a t i on
INITIAL SETUP
Tools
Materials/Parts
Tool Kit, General Mechanics
Cleaning solvent P-D-680
Automotive
(App. C, Item 2)
NSN 5180-00-177-7033
Clean cloth (App. C, Item 10)
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
NOTE
The following is a maintenance
procedure for the bulb check
switch. The maintenance
procedures for the engine fan
s w i t c h , r e a r s e r v i c e l i g h t s
s w i t c h , f r o n t s e r v i c e l i g h ts
switch and ether start switch are
i d e n t i c a l.
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.
Go to sheet
5-128
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