27-21-95
(FOR HYDRAULIC SYSTEM B) ú ú 01 Page 402 ú Nov 15/91
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
TASK 27-21-95-404-004
3. Hydraulic Fuse Installation
___________________________
A. Consumable Materials
(1)
G00062 Fluid - Hydraulic, Fire Resistant, BMS 3-11
(2)
D00054 Lubricant - Assembly, Skydrol, MCS352
B.
References
(1)
12-12-00/301, Hydraulic Reservoir
(2)
27-21-00/201, Rudder and Rudder Trim Control System
(3)
29-09-00/201, Hydraulic Reservoir Pressurization System
C.
Access
(1)
Location Zone
701 Tail Compartment
(2)
Access Panels
3701 Stabilizer Trim Access Door
D.
Procedure
S 424-005
(1)
Install the hydraulic fuse (Fig. 401):
(a)
Lubricate both ends of the fuse with hydraulic fluid or assembly lubricant.
(b)
Put the fuse in its position.
NOTE: The flow direction arrow must agree with the arrow
____
on the airplane.
(c) Connect the hydraulic lines to the fuse.
S 864-022
(2)
Open the No. 5 manual shutoff valve (hydraulic system B) (Fig. 401).
S 714-023
(3)
Do these steps to make sure the hydraulic fuse is serviceable:
(a)
Pressurize the hydraulic reservoir (Ref 29-09-00/201).
WARNING: MAKE SURE THAT PERSONS AND EQUIPMENT ARE CLEAR OF ALL
_______ CONTROL SURFACES BEFORE YOU SUPPLY HYDRAULIC POWER. THE AILERONS, RUDDER, ELEVATORS, FLAPS, SLATS, SPOILERS, LANDING GEAR, AND THRUST REVERSERS CAN MOVE QUICKLY WHEN YOU SUPPLY HYDRAULIC POWER. THIS CAN CAUSE INJURY TO PERSONS AND DAMAGE TO EQUIPMENT.
(b) Supply the rudder hydraulic power system B (Ref 27-21-00/201).
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. AIRPLANES WITH A RUDDER HYDRAULIC FUSE ú
27-21-95
(FOR HYDRAULIC SYSTEM B) ú ú 02 Page 403 ú Jul 12/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
(c) (d) (e) Move the rudder pedals through their full travel three times and make sure the rudder moves correctly.Make sure the hydraulic fuse does not have a leak.Remove the rudder hydraulic power (Ref 27-21-00/201).
(4) S 414-025Close the access door 3701.
(5) S 864-024Remove the DO-NOT-CLOSE tags and close these circuit breakers: (a) P6-2 panel 1) STABILIZER TRIM ACTUATOR 2) STABILIZER TRIM CONT
(6) S 614-006Fill the hydraulic reservoirs if it is necessary (Ref 12-12-00/301).
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. AIRPLANES WITH A RUDDER HYDRAULIC FUSE ú
27-21-95
(FOR HYDRAULIC SYSTEM B) ú ú 01 Page 404 ú Mar 15/92
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
RUDDER PRESSURE REDUCER - MAINTENANCE PRACTICES
_______________________________________________
1. General_______
A. This procedure has two tasks, one for the deactivation and one for the activation of the the pressure reducer for the rudder.
TASK 27-21-96-042-021
2. Pressure Reducer Deactivation_____________________________
A. References
(1)
AMM 27-21-00/201, Rudder and Rudder Trim Control System
(2)
AMM 29-09-00/201, Hydraulic Reservoir Pressurization System
B.
Access
(1)
Location Zone
701 Tail Compartment
(2)
Access Panels
3701 Stabilizer Trim Access Door
C.
Procedure
S 012-005
(1)
Get access to the tail compartment through access door 3701.
S 042-017
(2)
Do these steps to deactivate the pressure reducer.
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