NOTE : If installed, remove the components of the kit for the FLIGHT
____
WITHOUT APU
Subtask 49-11-11-865-051
B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU APU/FUEL/BLOW OFF/PUMP 2QC B14 121VU APU/OIL/HTR/SPLY 1KT K41 121VU APU/FUEL/BLOW OFF/CTL 1QC K39 121VU APU/FIRE AND OVHT/DET/LOOP A 1WG L43 121VU APU/APU/CTL 2KD L42 121VU APU/ECB/SPLY 1KD L41 121VU APU/AUTO/EXTIG/GND/TEST 30WF L40 121VU APU/FIRE/EXTIG/SQUIB/B 2WF L39 121VU APU/FIRE/EXTIG/SQUIB/A 1WF L38 121VU APU/FIRE/LP VALVE/NORM 4WF M42 121VU APU/FIRE/LP VALVE/STBY 3WF M41 121VU APU/FUEL/LP VALVE/CTL 1QF M40 121VU APU/FUEL/LP VALVE/SPLY 2QF M39 121VU APU/FUEL/PUMP/CTL 3QC M38
Subtask 49-11-11-010-062
C. Get Access
(1)
Put the access platform in position below the APU access doors 315AL and 316AR.
(2)
Open the APU access doors 315AL and 316AR (Ref. TASK 52-41-00-010-001).
(3)
Set the LIGHT SW 11LJ to the ON position.
4. Procedure
_________
**ON A/C 001-003, 051-061,
Subtask 49-11-11-560-053
A. Preparation of a Replacement Component
(1) Make sure that the APU is installed on a SUPPORT FRAME - APU.
(a)
Make sure that the generator is installed correctly (Ref. TASK 24-23-51-400-001).
(b)
Make sure that the FWD and AFT APU mount brackets (46) are installed correctly.(Ref. TASK 49-12-54-400-001).
(c)
Make sure the APU LP switch is installed correctly (Ref. TASK 28-22-14-400-001).
(d)
Make sure that the compartment cooling duct is installed correctly (Ref. TASK 49-52-52-400-001).
NOTE : Make sure that the parts retained from the removed
____ component are clean and in the correct condition.
(2) Make sure that the PROTECTOR - THREADS, APU MOUNTING BOLTS are installed on the thread of the AFT APU mount bracket (44).
(3)
Fill the APU oil resorvoir (Ref. TASK 49-90-00-600-001).
Subtask 49-11-11-210-052
B.
Preparation for Installation
(1)
Make sure the APU compartment is in the correct condition. If necessary clean the APU compartment with CLEANING AGENTS (Material No. 11-001) and a fiber-bristled brush.
(2)
Make sure that the nuts (45), (47) and (48) are in a correct condition.
R NOTE : Obey the para. 3.A.(4) 'Installation of used Bolts and Nuts'
____ R of (Ref. TASK 20-21-11-911-001).
(3)
Make sure that the PROTECTOR - THREADS, APU MOUNTING BOLTS are
installed on the threads (44) of the FWD APU mount vibration
isolators (46).
(4)
Examine the bleed-air duct connection flanges and attachments. Repace the duct if necessary (Ref. TASK 49-51-42-000-001) and (Ref. TASK 49-51-42-400-001).
(5)
Examine the exhaust v-clamp and hot nozzle assembly (Ref. TASK 49-81-00-200-001).
(6)
Examine the bellows and sealing ring (Ref. TASK 49-81-00-200-002).
(7)
Examine the exhaust muffler (Ref. TASK 49-81-00-200-003).
(8)
Examine the exhaust duct felt-metall and replace if necessary
(Ref. TASK 49-81-41-000-001) and (Ref. TASK 49-81-41-400-001)
(9)
Examine the drain tank for leaks, dents, chafing and cracks. If
necessary replace the drain tank (Ref. TASK 49-17-41-000-001) and
(Ref. TASK 49-17-41-400-001).
(10)
Examine the drain tubes and hoses between the spring adapters and the drain mast. Replace porous hoses and/or bent, kinked, holed or leaking tubes.
(11)
Examine the oil-cooler outlet-duct attachment support assembly, if necessary remove (Ref. TASK 49-52-41-000-001) and install a new support assembly (Ref. TASK 49-52-41-400-001).
(12)
Make sure that the threads of the vent and drain valve (21) are clean and in a correct condition.
(13)
Make sure that the:
-electrical cables of the APU starter motor
-ring terminals of the starter motor cables
are clean and in a correct condition.
(14)
Make sure that the:
-phase leads of the APU generator
-ring terminals of the APU generator phase leads
are clean and in a correct condition.
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