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TM 10-4320-307-10
Table 2-2. Operator/Crew Preventive Maintenance Checks and Services - (Cont)
Item
Location
Not Fully
No.
Interval
Item to
Procedure
Mission Capable
Check/Service
if:
38
During
Suction and
Check for fluid leaks or cracks in flanges (2).
Category Class
Discharge
Check for cracked welds (3).
III fluid leaks or
Pipe
cracks are
Adapters (1)
Check for loose or missing hardware.
present.
39
After
3-Way Se-
WARNING
Category Class
lector Valve
Death or serious injury could occur if diesel fuel
III fuel leaks or
and Fuel
is not handled carefully. Use in a well-ventilated
fire hazard leak-
Line Assem-
area away from open flame, arcing equipment,
age are found.
bly
ignition sources, heaters, or excessive heat. Be
certain that fuel lines and connections are secure. Do not
inhale vapor. Do not overfill fuel tank. Engine must be
turned off and cooled be- fore refueling. Use proper
refueling procedures and equipment to avoid spillage. Do
not run engine near open fuel containers. DO NOT SMOKE.
CAUTION
Both supply and return 3-way fuel valves must be aligned
to the same selected fuel supply (auxiliary or unit tank).
Alignment to different supplies could cause engine
overheating, shut- down from rapid fuel exhaustion, or
fuel system overflow and the associated fire hazards.
2-35
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