TM 9-4540-202-12&P
4-8. FUEL TANK
a.
Removal.
Refer to Figure 4-3. Remove fuel tank (1) by lifting it up and over the square mounting stud.
b.
Disassembly.
(1)
Refer to Figure 4-3. Unscrew fuel valve (2), elbow (7), and nipple (8) from fuel tank (1).
(2)
Unscrew elbow (7) from nipple (8).
(3)
Unscrew hex nut (3) from valve body (6) and remove gasket (5) and valve stem (4).
(4)
Unscrew and remove filler plug (14).
(5)
Remove retainer (10), sash chain (11), ring (12), and gasket (13) from the body (9).
(6)
Unscrew vent cap (15) approximately three turns, being careful not to remove the vent cap from the tank
(7)
Remove gasket (15A) by stretching it over the vent cap.
(8)
If necessary, remove identification plate (16) and caution plate (1 6A).
c.
Cleaning.
(1)
Drain fuel tank.
(2)
Clean outside of tank with stiff brush and hot water.
(3)
Flush tank with a small amount of fuel to be sure all sediment and foreign matter is removed. I tank is to be
stored, refer to Chapter 4, Section V, Preparation for Storage or Shipment.
(4)
Scrape or rub off any corrosion from valve. Clean out any obstructions from inside valve passages.
d.
Inspection.
(1)
Inspect tank for leaks and replace as required.
(2)
Inspect fuel valve for evidence of excessive wear or leaking conditions. Replace as required.
(3)
Inspect filler plug for damaged gasket or threads. Replace as required.
(4)
Inspect vent cap gasket for evidence of deterioration. Replace as required. Inspect to see that vent holes
are free from any foreign matter.
(5)
Inspect identification plate for legibility. Replace as required.
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