(Ref. Fig. 401/TASK 49-12-52-991-001) R **ON A/C 062-099, 401-499,
(Ref. Fig. 401A/TASK 49-12-52-991-001-A)
R **ON A/C 001-003, 051-099, 401-499,
Subtask 49-12-52-210-054
A. Preparation for Installation
(1)
Clean the tie-rods (4) and (6) and the vibration isolator (16) with solvent CLEANING AGENTS (Material No. 11-001) and a fiber-bristled brush. condition.
(2)
Do a check and make sure that the tie-rods (4) and (6) are in correct condition.
(3)
If the tie-rods and/or the vibration isolator are damaged, replace them if necessary.
(4)
Clean and examine the attachment brackets, the APU mount-bracket (14) and the structure for damage and replace if nescessary.
**ON A/C 001-003, 051-061,
Subtask 49-12-52-420-050
B. Installation of the Vibration Isolator (4045KM)
(1) Protective Treatment
WARNING : USE SOLVENTS/CLEANING AGENTS, SEALANTS AND OTHER SPECIAL
_______ MATERIALS ONLY WITH A GOOD SUPPLY OF AIR. OBEY THE MANUFACTURERS INSTRUCTIONS. PUT ON PROTECTIVE CLOTHING. DO NOT GET THEM IN YOUR MOUTH. DO NOT SMOKE. DO NOT BREATHE THE GAS. THESE MATERIALS ARE POISONOUS, FLAMMABLE AND SKIN IRRITANT. GET MEDICAL HELP IF YOUR SKIN OR EYES BECOME IRRITATED.
(a) Apply SPECIAL MATERIALS (Material No. 05-002) to all mating surfaces. Do not apply it to the bonding straps.
(2)
Install the vibration isolator (4045KM) (16) on the APU mount-bracket
(4075KM) (14).
(3)
If removed install the tie-rods (4) and (6).
(a)
Install the bolts (18), the washers (19) and the castle nuts (20).
(b)
Tighten and TORQUE the castle nuts (20) to between to between
0.55 and 0.75 m.daN (48.67 and 66.37 lbf.in) and safety them with the new cotter pin (21)
(c)
Connect the bonding straps (10).
(d)
Install the bolts (7), the washers (8) and the nuts (9).
(e)
Tighten and TORQUE the nuts (9) to between to between 0.22 and
0.26 m.daN (19.46 and 23.00 lbf.in)
(4)
Install the tie-rods (4) and (6) at the vibration isolator.
(5)
Install the bolts (5) and (17), the washers (1) and (12) and the castle nuts (2) and (13).
(6)
Tighten and TORQUE the castle nuts
-
item (2) to between to between 0.3 and 0.35 m.daN (26.54 and 30.97 lbf.in),
-
item (13) to between to between 0.55 and 0.75 m.daN (48.67 and
66.37 lbf.in) and safety them with the new cotter pin (3) and cotter pin (11).
(7)
Remove the PROTECTOR - THREADS, APU MOUNTING BOLTS and install the nut (15).
(8)
Tighten and TORQUE the nut (15) to between 2.5 and 3.1 m.daN (18.43 and 22.86 lbf.ft)
R **ON A/C 062-099, 401-499,
Subtask 49-12-52-420-050-A
B. Installation of the Vibration Isolator (4045KM)
(1) Protective Treatment
WARNING : USE SOLVENTS/CLEANING AGENTS, SEALANTS AND OTHER SPECIAL
_______ MATERIALS ONLY WITH A GOOD SUPPLY OF AIR. OBEY THE MANUFACTURERS INSTRUCTIONS. PUT ON PROTECTIVE CLOTHING. DO NOT GET THEM IN YOUR MOUTH. DO NOT SMOKE. DO NOT BREATHE THE GAS. THESE MATERIALS ARE POISONOUS, FLAMMABLE AND SKIN IRRITANT. GET MEDICAL HELP IF YOUR SKIN OR EYES BECOME IRRITATED.
(a) Apply SPECIAL MATERIALS (Material No. 05-002) to all mating surfaces. Do not apply it to the bonding straps.
(2)
Install the vibration isolator (4045KM) (16) on the APU mount-bracket (4075KM) (14).
(3)
If removed install the tie-rods (4) and (6).
(a)
Install the bolts (18), the washers (19) and the castle nuts (20).
(b)
Tighten and TORQUE the castle nuts (20) to between to between
0.55 and 0.75 m.daN (48.67 and 66.37 lbf.in) and safety them with the new cotter pin (21)
(c)
Connect the bonding straps (10).
(d)
Install the bolts (7), the washers (8) and the nuts (9).
(e)
Tighten and TORQUE the nuts (9) to between to between 0.22 and
0.26 m.daN (19.46 and 23.00 lbf.in)
(f)
Install the clamps (26) and (27) with the bolts (22), the washers (23), the bonding strap (24) and the nuts (25) at the tie-rod (4).
(4)
Install the tie-rods (4) and (6) at the vibration isolator.
(5)
Install the bolts (5) and (17), the washers (1) and (12) and the castle nuts (2) and (13).
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