TM 9-4520-272-14&P
FIELD (UNIT) MAINTENANCE
LARGE CAPACITY FIELD HEATER (LCFH)
NSN 4520-01-500-1534
EXTERNAL FUEL SUPPLY CONNECTOR
INSPECT, REPLACE
INITIAL SETUP:
Tools
Personnel Required
Tool Kit, General Mechanics (Item 2, WP 0092
MOS 63J or 52C
Materials/Parts
Equipment Condition
Rag, wiping, clean (Item 4, WP 0119 00)
Heater shut down and cool.
Sealant, Thread (Item 2, WP 0119 00)
Main battery switch OFF and handle removed.
INSPECT
Inspect the external fuel supply connector (1) and ensure that it is not damaged in any way. Ensure that
there is no dust, dirt, or other debris on the interior or exterior surfaces. Ensure that the outer collar (2)
operates smoothly and springs back correctly.
REPLACE
1. Remove the external fuel supply connector (1) by placing a wrench or similar tool on the large hex
shaped fitting (3) mounted to the cabinet (4).
2. While holding the large hex shaped fitting (3) section stationary, grasp the hex shaped section (5) at
the rear of the connector with a wrench or similar tool and rotate counter clockwise. Remove the
connector (1).
3. Clean any residual thread sealant from the threads on the large hex shaped fitting (3).
4. Apply new thread sealant to the threads of the large hex shaped fitting (3).
5. Install a new external fuel supply connector (1) onto the large hex shaped fitting (3).
6. While holding the large hex shaped fitting (3) stationary, grasp the hex shaped section (5) at the the
rear of the connector with a wrench or similar tool and rotate clockwise. Tighten securely.
0036 00-1
