D
Group 177 Preventive Maintenance
45
Check Fuel Tank, Hoses, Venting and
Mounting
To complete a service check of the fuel tank, hoses, pipes
and mountings, complete the following:
1 Check the fuel tank mounts.
2 Check the fuel tank straps and J-brackets and ensure
they are tight and that the tanks haven’t rotated.
3 Inspect the fuel tank brackets for cracks.
4 Check the fuel lines for proper routing, wear and leaks.
5 Check the venting for dirt, wear, and damage.
Note: Ensure that the fuel lines are not routed too close
to the exhaust system.
Note: Ensure that the fuel shut-off valves are in the open
position.
46
Check Fuel Tank Ventilation Filter
To complete a service check of the fuel tank ventilation
filter, complete the following:
1 Inspect the tanks for damage, leaks and corrosion.
2 Inspect tank vents.
67
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