4. Operation
4-10
031-093-C0-001 © 3/99
9. Reconnect the APU exhaust and Fuel Hose
Procedure:
1. Install new gasket at the exhaust Flex pipe flange.
2. Apply antiseize compound to the flange bolts and install into flange
3. Torque the exhaust pipe flange bolts, bolt to bolt, to 7-ft/pounds.
4. Reconnect the fuel hose with cable ties to the proper anchor points (see
below). Verify the chafe guard is properly seated in the cut out before the
APU drawer is closed.
5. Once the fuel hose is securely fastened, slide the APU drawer back in the
enclosure and re-fasten the retaining bolts.
4.4 Converting APU From Natural Gas To Propane Gas, cont.
Figure 4.16, Fuel hose placement, APU
Figure 4.15, Exhaust pipe flange gasket
NOTE:
Verify fuel hose
is completely
wrapped in
chafe guard
material and
fully seated in
cutout.
