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TM 5-4210-233-14&P-1
4-21. PUMP PANEL INDICATOR LIGHTS
This task covers:
a.
Removal
d.
Assembly
b.
Disassembly
e.
Installation
c.
Cleaning and Inspection
f.
Follow-on Maintenance
TOOLS REQUIRED:
EQUIPMENT CONDITION
Tool Kit, General Mechanics, Automotive
Main Engine Shutdown (see para 2-12 .)
(Appendix B, Section lll, Item 1)
APU Shutdown (see para 2-16 .)
Gauge Panel Removed (see para 4-18 .)
Batteries Disconnected (see para 4-114 .)
MATERIALS/PARTS REQUIRED
Emery Cloth (Item 25, Appendix E)
O-Ring (Figure 4, Appendix F)
a.
Removal.
(1) Tag wires. Remove two screws (4) and
disconnect wiring harness.
(2) Remove nut (5) and lockwasher (6).
(3) Remove light base assembly (7) from
gauge panel.
b.
Disassembly.
(1) Unthread and remove lens (1) and O-ring
(2) from light assembly (7). Discard O-
ring (2).
(2) Remove bulb (3).
c.
Cleaning and Inspection.
(1) Clean lens (1).
(2) Inspect lens (1) for cracks. If cracked,
replace lens.
(3) Inspect wiring for fraying or cracked
insulation. If wiring is damaged, contact
Direct Support Maintenance.
(4) Inspect bulb socket, bulb contacts, and
wiring for corrosion. Clean corrosion with
emery cloth (Item 25, Appendix E). If
corrosion cannot be removed, replace
light assembly.
4-177
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