TM10-4610-240-24
TM 08580C-24/2
TO 40W4-13-22
2-90. SPARE TIRE AND WHEEL MAINTENANCE (MODEL WPES-1) - continued.
REPAIR
a. Disassembly
(1) Disconnect extension spring (13) from pawl (2) and eyepad (12).
(2) Remove jamnut (16) from screw (14)
(3) Remove screw (14), flat washer (15), and pawl (2).
(4) Remove two nuts (20), U-bolt (18), U-bolt plate (7), cable (4), and tire carrier support (7)
(5) Remove two nuts (25), U-bolt (24), and cable (8) from ratchet shaft (3).
(6) Remove cotter pin (23), flat washer (22), and cotter pin (17) from ratchet shaft (3).
(7) Remove ratchet shaft (3), spool (21), and flat washer (26) from frame (4).
b. Cleaning
WARNING
Drycleaning solvent P-D-680 is highly toxic and can ignite
organic materials, nitrates, carbides, and chlorates. Wear eye,
skin, and respiratory protection Use in a well-ventilated area
Using drycleaning solvent and a stiff-bristled brush, scrub dirt
and grease from all parts. Let air dry.
c. Inspection.
(1) Inspect cable (8) for fraying and cuts or loose or missing end pieces.
(2) Inspect ratchet shaft (3) and pawl (2) for rounded or missing teeth.
(3) Inspect all threaded parts for worn or deformed threads
(4) Inspect all parts for excessive wear or deformity
(5) Inspect for worn or broken spring (13). Spring should measure 15 2 pounds tension at 2.91 inches
d. Repair.
Replace damaged components
e. Assembly
(1) Install flat washers (26) on shaft (3).
(2) Position spool (21) and install ratchet shaft (3) through spool
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