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 TM 55-1905-242-14
DIRECT SUPPORT MAINTENANCE
FOR LANDING CRAFT, MECHANIZED (LCM-8) (ALL VESSELS WITH MOD 2 APPLICATION)
HAND PUMP, REPAIR
INITIAL SETUP:
Tools and Special Tools:
Materials/Parts:
Tool Kit, Mechanic's Rail and Marine (Item 1,
Cleaning Solvent MIL-PRF-680 (Item 2, Table 2, WP 0230
Table 1, WP 0230 00)
Gloves, Chemical Protective (Item 3, Table 2, WP 0230 00)
Equipment Condition:
Goggles, Industrial, No Vents (Item 4, Table 2,
Hand pump removed (WP 0143 00)
Rag, Wiping (Item 5, Table 2, WP 0230 00)
Personnel Required:
One Watercraft Engineer, 88L
References:
FM 55-502
TM 55-1905-242-24P (WP 0068)
DISASSEMBLY
WARNING
Cleaning solvent is flammable and its vapor is potentially explosive. Do not use clean-
ing solvent in the vicinity of spark, open flame, or excessive heat. Do not use cleaning
solvent in unventilated spaces. Failure to comply can result in serious injury or death.
Do not allow hydraulic fluid or cleaning solvent to come in contact with unprotected
skin or eyes. Prolonged skin contact can cause illness or injury. Eye contact can cause
serious injury. Always wear chemical protective gloves and goggles when handling
used hydraulic fluid and cleaning solvent. Failure to comply can result in illness, seri-
ous injury, or death.
1.
Don protective gloves and goggles.
2.
Remove the bolts (1) that attach the head (2) to the cylinder (3).
3.
Remove the head (2), crank handle (4), and shaft and pin assembly (5) as a unit.
4.
Remove the rotor (6) and vanes (7) as an assembly.
5.
Remove the vanes (7) and springs (8) from the rotor (6).
6.
Do not remove the handle pin (9), nut (10), grip (11), packing nut (12), packing (13), or jam nut (14) unless one or more of
these items requires replacement.
0173 00-1
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