(b)
On the panel 30VU:
1 The APU BLEED pushbutton switch is in the off position (the ON
_
legend is off).
2 The ENG 1 BLEED and the ENG 2 BLEED pushbutton switches are in
_ the off position (the OFF legends are on).
3 A warning notice is in position to tell persons not to operate
_
these pushbutton switches.
(c) On the HP ground connector a warning notice is in position to tell persons not to supply the ground air.
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(d) The access panels are removed (Ref. TASK 53-35-13-000-002):
1 FOR 100HM
_
191KB and 191BB.
2 FOR 101HM
_
192KB and 192FB.
Subtask 21-51-51-865-061
B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------FOR 100HM
49VU AIR COND/FLOW/CTL &/IND1 1HB D07 FOR 101HM 122VU AIR COND/FLOW/CTL AND IND/2 2HB V21
4. Procedure
_________
WARNING : MAKE SURE THAT THERE IS A GOOD FLOW OF AIR THROUGH THE WORK AREA
_______ WHEN YOU USE SPECIAL MATERIALS. IF YOU GET ONE OF THESE MATERIALS ON YOUR SKIN, IN YOUR MOUTH OR IN YOUR EYES : -FLUSH IT AWAY WITH A FLOW OF CLEAN WATER FOR BETWEEN 10 AND 15 MINUTES. -GET IMMEDIATE MEDICAL AID IF IRRITATION OCCURS. DO NOT BREATHE THE FUMES FROM THE MATERIAL. DO NOT SMOKE WHEN YOU USE THE MATERIAL. DO NOT USE THE MATERIAL NEAR A FLAME, SPARKS OR SOURCES OF HEAT. THESE MATERIALS ARE DANGEROUS : THEY ARE POISONOUS, FLAMMABLE AND SKIN IRRITANTS.
Subtask 21-51-51-420-058
A. Installation of the Attachment Components
(Ref. Fig. 405A/TASK 21-51-51-991-008)
(1) Put the support rods (9) in position on the brackets (22) and install the bushings (21), the bolts (20), the washers (23) and the nuts (24).
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**ON A/C 051-054,
Subtask 21-51-51-420-057-A
B. Installation of the Air Duct
(1)
Remove the protective covers from the air duct assembly.
(2)
Clean the component interfaces and/or the adjacent area.
(3)
Lubrication of the O-ring WARNING : OBEY THE MANUFACTURER'S INSTRUCTIONS WHEN YOU USE
_______ THIS/THESE MATERIAL/S. USE PROTECTIVE CLOTHING, RUBBER GLOVES, GOGGLES AND A MASK.
(a) Apply a small amount of COMMON GREASE (Material No. 04-007) to the o-ring (15).
NOTE : This is a molybdenum disulfide powder.
____ Before you can apply it you must first make it into a paste. To do this you must mix the powder with pure water or white spirit.
(4)
Put a new o-ring (15) in position on the air duct flange.
(5)
Put the air duct assembly in its correct position and attach the v-clamps (1) and (3) but do not tighten the clamps.
(6)
Put the three support rods (9) in position on the brackets on top of the duct.
(7)
Install the bushings (5), the bolts (4), the washers (8) and the nuts (7).
(8)
TORQUE the clamp (1) to between 0.4 and 0.5 m.daN (35.39 and 44.24 lbf.in).
(9)
TORQUE the clamp (3) to between 0.81 and 0.93 m.daN (71.68 and 82.30 lbf.in).
(10)
Put the bonding strap (11) in position and install the bolt (10), the washer (12) and the nut (13) (Ref. TASK 20-28-00-912-004).
(11)
Remove the blanking cap from the sense line connector (2).
