TM 10-4320-307-24
3-33
ROCKER LEVER HOUSING ASSEMBLY REPAIR REPLACE (CONT).
CLEANING/INSPECTION/REPAIR:
Live steam used for cleaning shall not exceed 100 psi (690 kPa). During steam cleaning
operations, adequate ventilation, natural or forced, should be provided. Do not direct live
steam against skin.
Death or serious injury could occur if compressed air is directed against the skin. Do not
use compressed air for cleaning or drying unless the pressure is/has been reduced to 30
psi (2.11 kgcm2) or less. When working with compressed air always use chip guards, eye
protection, and other personal protective equipment.
1.
Clean components as follows:
a.
Steam clean rocker lever housings (1),
being sure that breather vent holes (2) are
free of dirt and deposits.
b.
Dry housing with compressed air.
c.
Steam clean rocker lever shafts (3) using a
bottle brush to clean shaft bore.
d.
Dry shafts with compressed air.
e.
Steam clean rocker levers (4), being sure to
blow out oil passages.
f.
Dry rocker levers with compressed air.
2.
Visually inspect rocker lever housings (1) for
cracks or damage; replace if necessary.
3.
Inspect capscrew holes in housings (1) for
damaged threads. Repair threads as required.
4.
Inspect bore in rocker lever housing (1) for burrs
or sharp edges. Remove any burrs or sharp
edges.
5.
Visually inspect rocker lever shafts (3) for cracks
or damage.
6.
Visually inspect thread condition of shafts with
internal threads.
7.
Measure rocker lever shaft (3) outside diameter in
bushing near area. Shaft outside diameter should
be between 1.122 inches (28.5 mm) and 1.124
inches (28.55 mm). Replace shaft if not within
these limits. or if shaft has ridges worn in it.
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