TM 9-4520-272-14&P
SUSTAINMENT (GENERAL) SUPPORT MAINTENANCE
LARGE CAPACITY FIELD HEATER (LCFH)
NSN 4520-01-500-1534
CRANKSHAFT ASSEMBLY
REMOVE, SERVICE, INSPECT, INSTALL
INITIAL SETUP:
Tools
Personnel Required
Tool Kit, General Mechanics (Item 2, WP 0092
MOS 63J or 52C
Handle, Flywheel Locking (Item 5, WP 0092 00)
Remover, Flywheel (Item 6, WP 0092 00)
Wrench, Torque (Item 12, WP 0092 00)
Micrometer, Caliper (Item 13, WP 0092 00)
Hammer, Deadblow (Item 17, WP 0092 00)
Materials/Parts
Equipment Condition
Oil, Engine Lubricating (Item 25, WP 0119 00)
Heater shut down and cool.
Rag, Wiping, Clean (Item 4, WP 0119 00)
Engine bay access door open.
Main battery switch OFF and handle removed.
Solvent, Degreasing (Item 24, WP 0119 00)
Burner fuel pump removed (WP 0033 00)
Grease, High Temp (Item 22, WP 0119 00)
Balancer shaft removed (WP 0083 00)
Camshaft removed (WP 0084 00)
Connecting rod removed (WP 0088 00)
NOTE
Engine maintenance requires metric tools for the removal of all hardware and
assemblies.
REMOVE
1. Remove flywheel housing (1) from cylinder block (7) by removing fours screws (2), washers (3),
collars (4), and spacers (5). Remove seal (6).
2. Using flywheel locking handle, hold flywheel (10) in place and remove nut (8) and washer (9).
3. Carefully remove flywheel (10) from crankshaft using flywheel remover. Use care to prevent damage
to flywheel fins.
4. Remove key (11). Remove bearing holder (21) and screw (22).
5. Remove camshaft (WP 0084 00), balancer shaft (WP 0083 00), and connecting rod (WP 0088 00).
6. Carefully remove assembled crankshaft (16) from cylinder block, taking care not to damage oil seal
(14). Remove key (20).
7. Drive crankshaft out of crankcase using a deadblow hammer.
0085 00-1
