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 TM 55-1905-242-14
GENERAL SUPPORT MAINTENANCE
FOR LANDING CRAFT, MECHANIZED (LCM-8) (ALL VESSELS WITH MOD 2 APPLICATION)
PROPELLER AND SHAFT, REPAIR
INITIAL SETUP:
Equipment Condition:
References:
Propeller removed (WP 0200 00)
S9086-HP-STM-010/CH-245R3
REPAIR
Propeller repair should be performed only by facilities and personnel specially trained in propeller repair and testing proce-
dures. Normal field repair of propellers is accomplished by the replacement of the propeller with a good spare. Spare
propellers are provided with the vessel's Basic Issue Items (BII). Refer to WP 0200 00 for propeller replacement procedures.
Facilities performing propeller repair must adhere to the following guidelines:
1.
All repairs shall be to the manufacturer's designed tolerances and dimensions.
2.
All repairs shall be in accordance with S9086-HP-STM-010/CH-245R3.
3.
Repairs to propeller blades shall be limited to approximately 10% of propeller radius and total material buildup not to
exceed 5% of the designed propeller weight. Reshaping of propeller blades is to be limited to minor corrections in pitch,
contour and/or rake.
4.
Extensive damage to the propeller or blades requiring build up of materials in excess of the quantities listed above, or
extensive reshaping and contouring of blades shall be performed as authorized by the Contracting Officer.
All propellers submitted for repair shall undergo the following testing:
1.
Perform a satisfactory Nondestructive Testing (NDT) dye penetrant test of the hub(s) and keyway(s).
2.
Perform a satisfactory static balance test of the propeller(s).
END OF WORK PACKAGE
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