TM 10-4320-344-24
2.15.9 Limit Switch Assembly Maintenance. Model 509-A.
This task covers:
2.15.9.1 Removal
2 .
15 . 9 . 3 I n s t a l l a t i on
2 .
15 . 9 . 2 R e p a ir
INITIAL SETUP
Tools
General Mechanic’s Automotive
Tool Kit, Appendix B, Section
III, Item 1
Material/Parts
Strap, Electrical Tiedown, Appendix C,
Item 29
Lock Washers (TM 10-4320-344-24P)
Equipment Conditions
Pumping station shut down, TM
10-4320-344-10.
Battery disconnected, paragraph
2 .
1
5 .
2 .
Equipment Conditions (Continued)
Control Panel Cover Assembly removed,
paragraph 2.16.1.
Power Control Cable Assembly disconnected,
paragraph 2.15.8.
General Safety Instructions
To prevent rolling or sliding, do not work
on equipment that is not securely
s t a b i l i z e d .
Do not work on equipment with battery
connected.
Electrocution hazard is present
if battery is connected.
Do not work on equipment without following
standard shop safety precautions.
2.15.9.1 Removal.
a .
b .
c .
d.
e.
f .
Do not work on equipment with battery connected.
Electrocution hazard is
present if battery is connected.
Failure to obey this warning may result in
death or serious personal injury.
Remove electrical tiedown straps (Figure 2-48,
1) from plastic sheathing (2)
around wiring harness (3) and remove plastic sheathing (2) from wiring
harness (3).
Remove electrical tiedown straps (4) from wiring harness (3).
Remove and retain nut (5), and remove lock washer (6) and limit switch wire
(7) from start alarm relay (8). Discard lock washer (6).
Remove and retain screw (9) and remove lock washer (10), and limit switch
assembly wire (11) from mode switch (12). Discard lock washer (10) .
Remove two nuts (13),
four lock washers (14 and 15), bolts (16), and remove
limit switch mounting plate (17).
Remove two nuts (18), lock washers
limit switch mounting plate (17).
2.15.9.2 Repair.
a .
Inspect limit switch assembly (20)
damage.
Discard lock washers (14 and 15).
(19), and limit switch assembly (20) from
Discard lock washers (19).
for cracks, holes, missing components, or
b .
Inspect limit switch wires (7 and 11) for missing terminals, burns or damage
i n s u l a t i o n.
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