TM 10-4520-263-12&P
0025 00
UNIT MAINTENANCE
SPACE HEATER SMALL (SHS)
NSN 4520-01-478-9207
FUEL STRAINER
REPLACE
0025 00-1
INITIAL SETUP:
Tools
Personnel Required
General Mechanic Tool Kit (WP 0029 00, Table 2,
Item 1)
One
Materials/Parts
Equipment Condition
Mat, Petroleum Absorbent (WP 0049 00, Item 8)
SHS shut-down and cool (WP 0005 00)
Rags, Wiping (WP 0049 00, Item 1)
REPLACE
1. To replace the fuel strainer (1), move the lever on the fuel shut-off valve (2) to the OFF position.
Disengage the fuel shut-off valve (2) from the fuel tank QD connector (3). Have a petroleum
absorbent mat and rag available to wipe up any spills that may occur. Pull the fuel shut-off valve
out of the heater body to permit access to the fuel strainer (1).
2. Observe the rear of the fuel strainer and note the fitting labeled “OUT” (4). This fitting is
connected to the fuel hose (5) leading to the regulating float valve assembly (6).
3. Slide the hose clamps (7) on each fuel strainer fitting up onto the hoses (8) connected to the fuel
strainer (1).
4. Remove hoses (8) from the fittings on the fuel strainer (1).
5. Remove fuel strainer assembly (1).
6. Install a new fuel strainer (1) by installing the hoses (8) on the fittings. Note that the fitting labeled
“OUT” (4) is connected to the hose (5) leading to the regulating float valve (6).
7. Slide the hose clamps (7) up the hoses (8) and over the fuel strainer fittings.
8. Position the fuel shut-off valve assembly (2) inside the heater body taking care to align the handle
so that it points toward the regulating float valve assembly (6).
9. Engage the fuel QD connector (3) on the fuel tank with its mating half on the fuel shut-off valve
(2).
