R **ON A/C 107-107, 151-199, 204-210,
49-12-54-991-005-A Fig. 401A
R **ON A/C 001-049, 101-105, 107-107, 151-199, 201-210,
49-12-54-991-006 Fig. 402
3. Job Set-up
__________
Subtask 49-12-54-860-056
A. Aircraft Maintenance Configuration
(1)
Energize the ground service network
(Ref. TASK 24-42-00-861-001).
(2)
On the panel 25VU make sure that the APU MASTER SW p/bsw is OFF.
(3)
Put the warning notices on panel 25VU to tell persons not to start the APU.
(4)
Make sure that hydraulic systems are depressurized
(Ref. TASK 29-00-00-864-001).
R EFF : 001-049, 101-105, 107-107, 151-199, 49-12-54Page 402 201-210, Config-2 Aug 01/05
CES Subtask 49-12-54-865-056
B. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------121VU APU/APU/CTL 2KD L42 121VU APU/ECB/SPLY 1KD L41
Subtask 49-12-54-010-052
C. Get Access
(1)
Put the access platform below the access doors 315AL and 316AR.
(2)
Open or remove the APU access doors (Ref. TASK 52-41-00-010-001) 315AL, 316AR (Ref. TASK 52-41-21-000-001) (Ref. TASK 52-41-22-000-001).
(3)
Set the LIGHT SW 11LJ to the ON position.
4. Procedure
_________ Subtask 49-12-54-480-052
A. Installation of the HOIST- MINILIFT
WARNING : OBEY THE HOISTING SAFETY PROCEDURES.
_______ MAKE SURE THAT THE HOIST IS ASSEMBLED AND ATTACHED CORRECTLY BEFORE YOU PUT A LOAD ON IT. OBEY THE MANUFACTURER'S INSTRUCTIONS WHEN YOU USE THE HOIST. IF THE HOIST IS IN AN INCORRECT CONDITION THE LOAD CAN MOVE ACCIDENTALLY AND KILL PERSONS OR CAUSE INJURY.
CAUTION : DO NOT TURN THE HOIST HANDLE MORE THAN 90 DEGREES WHEN THE APU
_______ MOUNT BRACKETS ARE TIGHTLY ENGAGED ON THE VIBRATION ISOLATORS. IF YOU TURN THE HOIST HANDLE MORE THAN 90 DEGREES, YOU CAN CAUSE DAMAGE TO THE APU AND THE APU MOUNTS.
(1) Install the HOIST - MINILIFT (Ref. TASK 49-00-00-480-003)
R EFF : 001-049, 101-105, 107-107, 151-199, 49-12-54Page 403 201-210, Config-2 Aug 01/05
CES Subtask 49-12-54-020-052
B. Removal of the APU Mount Brackets
(1) Slowly wind the handle on the APU hoist until the APU hoist-cable is in tension.
(2) Remove the FWD left and FWD-right APU mount-brackets.
**ON A/C 001-049, 101-105, 201-203,
(Ref. Fig. 401/TASK 49-12-54-991-005) R **ON A/C 107-107, 151-199, 204-210,
(Ref. Fig. 401A/TASK 49-12-54-991-005-A) R **ON A/C 001-049, 101-105, 107-107, 151-199, 201-210,
(a) Removal of the Lockwire: WARNING : CUT, REMOVE AND DISCARD THE LOCKWIRE AS YOU DO THE
_______ TASK. LOOSE LOCKWIRE CAN CUT OR BLIND YOU.
-remove and discard the lockwire from the bolts (10) of the FWD APU mount-bracket (17).
(b)
Remove the nut (11) and the washer (12) from the setscrew (15) and disconnect the bonding jumper (13).
(c)
Temporarily install the nut (11) adjacent to the nut (14) on the setscrew (15). Use the nut (11) as a locknut and remove the setscrew (15) from the FWD APU mount-bracket (17).
(d)
Remove the FWD APU mount-nut (16).
(e)
Remove the bolts (10) from the FWD APU mount-bracket (17).
(f)
Carefully pull the FWD APU mount-bracket (17) out and down to disconnect it from the APU and the vibration isolator.
NOTE : The FWD APU mount-bracket has a spigot which engages in
____ the APU. This spigot is 9.0906 mm (0.3578 in.) long.
R EFF : 001-049, 101-105, 107-107, 151-199, 49-12-54Page 404 201-210, Config-2 Aug 01/05
CES
FWD-Left and FWD-Right APU Mount Brackets
Figure 401/TASK 49-12-54-991-005
CES
FWD-Left and FWD-Right APU Mount Brackets Figure 401A/TASK 49-12-54-991-005-A
R EFF : 107-107, 151-199, 204-210, 49-12-54Page 406 Config-2 Aug 01/05
CES
(g)
Install the PROTECTOR - THREADS, APU MOUNTING BOLTS on the vibration isolators.
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