36-11-86
ALL ú ú 01 Page 402 ú Nov 12/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
S 034-023
(5)
Loosen and remove the bolt, washer and nut (1) from the aft bolt hole at the top of the regulator.
S 034-012
(6)
Loosen and remove the bolts and washers from the remaining bolt holes.
NOTE: There are nutplates at the remaining bolt holes.
____
S 024-013
(7) Remove the high stage regulator.
TASK 36-11-86-404-014
3. High Stage Regulator Installation_________________________________
A. Consumable Materials
(1)
Cleaner - BMS 3-2 (AMM 20-30-31/201)
(2)
Lubricant - MIL-G-4343 (AMM 20-30-21/201).
(3)
Finishing Material - MIL-C-5541 (AMM 20-30-41/201)
(4)
D00006 - Antiseize Compound, NEVER SEEZ (AMM 20-30-21/201)
B. References
(1)
AMM 20-30-21/201, Lubricants
(2)
AMM 20-30-31/201, Cleaners and Polishes
(3)
AMM 20-30-41/201, Finishing Materials
(4)
AMM 36-05-00/201, Engine Bleed Air Distribution System
(5)
AMM 36-11-05/501, Engine Bleed Air Distribution System
(6)
AMM 71-11-02/201, Fan Cowl Panels
(7)
AMM 78-31-00/201, Thrust Reverser System
C. Access
(1) Location Zones
101/102 Control Cabin
502/503 Fan Cowls - Left Nacelle
602/603 Fan Cowls - Right Nacelle
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36-11-86
ALL ú ú 01 Page 403 ú Nov 12/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
HIGH-STAGE
REGULATOR
SEE A
45` ELBOW
2. REDUCER AND O-RING
3. BOLTS AND WASHERS
(3 LOCATIONS) WASHER, 1. BOLT 4. UNION AND O-RING
AND NUT
5. REDUCER AND O-RING
HIGH-STAGE45` ELBOWREGULATOR
FWD
RIGHT SIDE A High-Stage Regulator Installation Figure 401
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36-11-86
ALL ú ú 01 Page 404 ú Jul 15/91
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
(2) Access Panels
5737/5746 Fan Cowl Assy
5837/5846 Fan Cowl Assy
D. Install the High Stage Regulator
S 114-015
(1) Use the cleaner to clean the mating surfaces of the regulator and the engine bracket.
NOTE: The surfaces are found at the 2 o'clock position on the
____
aft end of the fan case.
S 624-016
(2)
Put the finishing material on all of the mating surfaces.
S 644-017
(3)
Lubricate the O-rings.
S 644-018
(4)
Apply a thin layer of the antiseize compound to the external threads of the union/regulator coupling (1 location) and the reducer/regulator couplings (2 locations).
(a)
Install the union (4) and the O-ring in the right port.
(b)
Install the reducer (5) and the O-ring in the left port.
(c)
Install the reducer (2) and the O-ring in the remaining port.
S 644-027
(5)
Apply a thin layer of the antiseize compound to the external threads of couplings that follow:
(a)
The union/sense line coupling (1 location).
(b)
The reducer/sense line coupling (2 locations).
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