TM 9-4520-272-14&P
FIELD (UNIT) MAINTENANCE
LARGE CAPACITY FIELD HEATER (LCFH)
NSN 4520-01-500-1534
AIR CLEANER ASSEMBLY
REMOVE, SERVICE, INSPECT, INSTALL
INITIAL SETUP:
Tools
Personnel Required
Tool Kit, General Mechanic's Automotive (Item 2,
MOS 63J or 52C
Materials/Parts
Equipment Condition
Solvent, degreasing (Item 24, WP 0119 00)
Heater shut down and engine cool
Rags, wiping (Item 4, WP 0119 00)
Main battery switch OFF and handle removed
NOTE
Engine maintenance requires metric tools for the removal of all hardware and
assemblies.
REMOVE
1. Remove cover (1) from air filter housing (2) by removing wing nut (3) and washer (4).
2. Remove air filter element (5) from housing (2). Remove housing from adapter (6) by removing three
screws (7).
3. If replacement of air heaters (8) is required, disconnect electrical wire leads from heaters by removing
two nuts (9) and washers (10). Reinstall nuts and washers to prevent loss.
4. Remove adapter (6), air heaters (8), and gaskets (11) from adapter (12) by removing four screws (13)
and washers (14).
5. Remove adapter (12) from air intake duct (15) by removing three nuts (16). Remove gasket (17).
Remove studs (18) from duct only if replacement is required.
6. Remove air intake duct (15) from cylinder head by removing two screws (19). Remove gasket (20).
SERVICE
WARNING
Cleaning solvents are flammable and toxic to eye, skin, and respiratory tract.
Skin and eye protections are required when working in contact with cleaning
solvents. Avoid repeated or prolonged contact. Work in well ventilated area
only. Keep away from heat, sparks, and open flame. Do not smoke while
using cleaning solvent. Failure to observe this warning can result in injury or
death to personnel.
0042 00-1
