c. Inspect fan (9) for broken or bent blades.
d. Inspect non-metallic washers (32 and 46) and gasket
(53) for breaks or deterioration.
c o r e assembly (8) for leaks
e. Inspect toggle (10) and switch (13) for broken
terminals and proper toggle lever operation.
e. Inspect wiring for worn or frayed insulation and
broken or corroded terminals.
4-108. CHECKOUT. Switch toggle to verify spotlight
operation. Rotate handle to verify proper positioning
4-118. CHECKOUT. Operate heater and check for
leaks. Check for heat, proper air flow, and excessive
4-109. ADJUSTMENT. None required.
4-110. CHECKOUT. Test the battery specific gravity.
4-119. ADJUSTMENT. None required.
(Refer to Chapter 3, Section III.)
4-111. ADJUSTMENT. None required.
4-120. FUEL SYSTEM.
4-112. INSTRUMENT PANEL.
fuel system as follows:
instrument panel as follows:
a. Inspect hose (14) for leaks or damaged threads.
a. Inspect all connectors (9, Typ.) for cracks and loose
b. Inspect all linkage for distortion.
c. Inspect tube (12) for breaks or restrictions.
b. Inspect lead assemblies (10, 11, Typ.) for proper
d. Inspect tank (7) for dents or leaks.
socket spring tension, worn insulation and corroded or
e. Inspect cap (6) for deteriorated seal.
c. Inspect gage cluster (17) for burned out lamps (12,
f. Inspect spring (38) for breaks or distortion.
Typ.) broken or missing glass and damaged or corroded
g. Inspect for loose or missing hardware.
d. Inspect speedometer (18) for burned out lamps,
4-122. CHECKOUT. Check entire system for leaks.
broken or missing glass and damaged or stripped cable
4-123. ADJUSTMENT. No adjustments other than
linkage are required for the fuel system.
e. Inspect all switches for damaged cases and
damaged or corroded terminals.
4-124. FUEL PUMP.
4-114. CHECKOUT. Test operation of all switches and
indicators when tract or is fully assembled.
fuel pump as follows:
4-115. ADJUSTMENTS. None required.
a. Inspect hose and tube for restrictions and breaks.
4-116. CAB HEATER.
cab heater as follows:
c. Inspect diaphragm assembly (15) for broken and
d. Inspect filter (22) and bowl (20) for cracks.
b. Inspect hose (2), elbow (3) and grommet (15) for
e. Inspect all fuel passages for obstructions.
breaks and deterioration.