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FUEL
OIL HOSES
SERVICE POINTS
Check valve inspection
1. Check:
One way valve
Faulty → Replace.
Checking steps:
Connect a hose to the end of one way
valve "A" and blow into it.
Air should come out from end "B".
Connect the hose to the end of one
way valve "B" and blow into it.
Air should not come out from end "A".
4-21
E
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