- make sure that the packings of the oil scupper seal correctly and replace them if necessary.
(g) If the couplings of the pressure fill and overflow ports are not tight:
- replace the couplings as necessary.
(h) If there is oil leakage in the area of the oil pump assy:
- replace the seals and or the OIL PUMP ASSY as necessary (Ref. AMM TASK 49-91-45-000-001) and (Ref. AMM TASK 49-91-45-400-001).
(i) If there is oil leakage in the area of the APU generator:
- replace the SEALING PLATE and/or the APU GENERATOR (8XS) (Ref. AMM TASK 24-23-51-000-001) and (Ref. AMM TASK 24-23-51-400-001), as necessary.
(j) If there is oil leakage in the area of the lupe pump filter and/or the generator scavenge filter:
- replace the packing of the related filter housing (Ref. AMM TASK 49-91-41-200-001) and/or (Ref. AMM TASK 49-91-45-200-002).
(k) If there is oil leakage at the magnetic chip detector:
- replace the packing of the magnetic chip detector (Ref. AMM TASK 49-91-42-200-001).
(l) If there is oil leakage at the oil-sump drain-plug housing:
- replace the packing of the drain plug housing (Ref. AMM TASK 49-91-42-400-001).
(m) If there is oil leakage at the turbine bearing oil-pressure and -scavenge fitting (6 o'clock pos.):
- replace the scavange tube packing of the adapter assy; or
- replace the pressure tube packing of the adapter assy; or
- replace the packing of the adapter assy (Ref. AMM TASK 49-91-53-000-001) and (Ref. AMM TASK 49-91-53-400-001).
「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1R EFF : 001-003, 051-058, ∞∞49-00-00∞∞∞∞∞∞∞∞∞∞Page A231
Config-1 Aug 01/05 CES
(n) If there is oil leakage at the turbine-bearing vent-tube assembly:
- replace the packing of the vent-fitting elbow; or
- replace the packing between the check valve and the vent-fitting elbow; or
- replace the packing between the vent tube and the check valve.
(o) If there is oil leakage at the oil level switch/gearbox interface:
- replace the packing of the oil level switch (Ref. AMM TASK 49-93-16-000-001) and (Ref. AMM TASK 49-93-16-400-001).
(p) If there is oil leakage at the de-oil solenoid/gearbox interface:
- replace the packing of the de-oil solenoid (Ref. AMM TASK 49-91-49-000-001) and (Ref. AMM TASK 49-91-49-400-001).
(q) If there is oil leakage at the oil pressure/temperature assembly:
- replace the packing of the oil temperature switch/mount block interface; or
- replace the packing of the oil pressure/mount block interface; or
- replace the oil pressure/temperature assembly (Ref. AMM TASK 49-94-00-000-003) and (Ref. AMM TASK 49-94-00-400-001).
(r) If there is oil leakage at the gearbox regulator-valve assembly:
- replace the packing of the tranfer tubes; or
- replace the packing of the gearbox regulator-valve assembly interface (Ref. AMM TASK 49-26-53-000-001) and (Ref. AMM TASK 49-26-53-400-001).
(s) If there is fuel leakage in the area of the fuel control unit:
- replace the seals and or the FUEL CONTROL UNIT P19 as necessary (Ref. AMM TASK 49-32-11-000-001) and (Ref. AMM TASK 49-32-11-400-001).
(t) If there is fuel leakage in the area of the inlet guide-vane actuator:
- replace the seals and/or the fuel lines to the actuator and/or the INLET GUIDE VANE-ACTUATOR P21 as necessary (Ref. AMM TASK 49-23-51-000-002) and (Ref. AMM TASK 49-23-51-400-002).
(2) If you find other unwanted material on the surfaces of the air intake system components:
- identify the material and its source,
- if you think that the unwanted material has damaged the APU compressors, do the borescope inspection of the compressors (Ref. AMM TASK 49-20-00-200-001).
「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1 EFF : 001-003, 051-058, ∞∞49-00-00∞∞∞∞∞∞∞∞∞∞Page A232
Config-1 Aug 01/05R CES
(3) If there is no external contamination:
- if the oil level in the oil reservoir is above the FULL mark on the oil sight glas, correct it with the overflow drain tool (Ref. AMM TASK 49-90-00-600-001).
NOTE : If the APU oil reservoir was filled above the FULL mark on the
____ oil sight glass: During APU operation the oil expands which could create an over-filled condition, resulting in leakage and possible oil smell in the cabin.
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