TM 5-1940-322-24
SUSTAINMENT MAINTENANCE INSTRUCTIONS
BRIDGE ERECTION BOAT (BEB)
MK II-S
NSN 1940-01-526-0770
P/N 12492423
TRANSMISSION INSPECTION
HOUSING, CAST PARTS, AND MACHINED SURFACES;
VALVE SEATS; BEARINGS; BUSHINGS AND SLEEVES;
THRUST WASHERS AND SPACERS; GEARS; SPLINED PARTS; SNAPRINGS;
SPRINGS; AND FLEXIBLE HOSES
HOUSING, CAST PARTS, AND MACHINED SURFACES
1.
Replace cast parts or housings that are cracked.
2.
Inspect bores for wear, grooves, scratches, and dirt. Remove burrs and scratches with crocus cloth or
soft stone. Replace parts that are deeply grooved or scratched.
WARNING
Skysol 100 solvent is combustible; DO NOT use or store near
heat, sparks, flame, or other ignition sources. Use mechanical
ventilation whenever product is used in a confined space, heated
above ambient temperatures, or agitated. Keep container sealed
when not in use.
Contact with Skysol 100 may cause skin irritation. Use chemical-
resistant gloves. In case of skin contact, remove any contaminated
clothing and wash skin thoroughly with soap and water. Wash
contaminated clothing before reuse. Eye contact may cause
irritation, tearing, or blurring of vision. Use face shield or goggles
when eye contact may occur. In case of eye contact, flush eyes with
large amounts of water for at least 15 minutes or until irritation
subsides. Inhalation may cause irritation to upper respiratory
passages. DO NOT have food or drink in the vicinity. Failure to
comply may result in injury to personnel.
3.
Inspect oil passages for obstructions. Remove obstructions with compressed air or by working wire
back and forth through passage and flushing it with Skysol 100.
4.
Inspect machined surfaces for burrs, scratches, nicks, and foreign matter. If defects cannot be removed
with crocus cloth or soft stone, replace part.
5.
Inspect threaded openings for damaged threads. Chase damaged threads with correct size tap.
6.
Inspect studs for damaged threads and looseness. Replace damaged studs.
7.
Inspect dowel pins for wear or damage. Replace damaged dowel pins.
8.
Inspect dowel pin holes for wear due to movement between mating parts. If dowel pin hole is worn,
rebore and sleeve hole. If damage is excessive, replace parts.
VALVE SEATS
1.
Inspect valve seats for burrs, nicks, and scratches. If defects cannot be removed with crocus cloth,
replace part.
2.
Ensure valve is seated properly after reworking valve seat.
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