TM-9-2815-205-34
ENGINE WITH CONTAINER; MODELS 5063-5299, 5063-5392, 5063-5393, 5063-5395, 5063-5398, 5063-539F, 5063-539L
TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE
AUGUST 1992
TM-9-2815-205-34 - Page 459 of 596
(a)
(b)
(c)
(d)
(e)
TM 9-2815-205-34
Remove two screws (33), two
Iockwashers (34), and two clamps (35)
fastening b pass valve (36) to end
plate (30).
Discard Iockwashers.
Remove two clamps (37) and hose (38)
from bypass valve (36) and tube (39).
Remove bypass valve (36) from end plate
(30).
Remove preformed packing (40) from
bypass valve (36). Discard packing.
If necessary, remove tube (39) from
blower end plate (30).
b. Cleaning
Dry cleaning solvent P-D-680 is toxic and flammable. Wear protective goggles
and gloves and use in a well-ventilated area. Avoid contact with skin, eyes, and
clothes. Do not breathe vapors. Do not use near open flame or excessive heat.
The flash point is 100-138°F (38-50°C). If you become dizzy while using cleaning
solvent, get fresh air immediately and seek medical aid, If contact with eyes is
made, wash with water and get medical aid immediately.
Compressed air used for cleaning purposes will not exceed 30 PSI. Use only with
effective chip guarding and personal protective equipment (goggles/shield,
gloves, etc.)
Wash rotors and blower housing with cleaning solvent and remaining pads with fuel oil. Dry with
compressed air.
c. Inspection
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
Inspect inside finished face of each end plate and finished ends of blower housing for
smoothness and flatness. If finished face is slightly scored or burred, clean up with emery cloth.
Inspect surfaces of rotors and blower housing for burrs, scoring, and scratches. Use X-fine
sharpening stone to clean up surfaces.
Inspect splines on rotor shafts, gears, and drive couplings for wear, burrs, or peening.
Examine teeth on gears for wear or damage.
Check oil seal contact surfaces for wear, nicks, or scoring.
Examine blower drive coupling components for cracks and broken parts.
Examine thrust plate and thrust washers for wear.
Check bearing surfaces of rotor shafts for scoring and wear.
For models 5063-5392, 5063-5393, and 5063-539L, inspect bypass valve. Push in plunger on
bypass valve. If plunger sticks or does not return, replace valve.
Change 1
3-331
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