(2)
29-15-00/201, Hydraulic Systems A, B, and Standby
C. Access
(1) Location Zone
216, 217 Main Wheel Well
D. Procedure
S 862-015
(1)
Remove the system B hydraulic power (Ref 29-15-00/201).
S 862-016
(2)
Make sure these switches on the P5 panel are OFF:
(a)
HYD PUMPS B ENG 2
(b)
HYD PUMPS B ELEC 1
(c)
FLT CONTROL B
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A
737-300/400/500MAINTENANCE MANUAL
(d) ALTERNATE FLAPS
S 862-017
(3)
Release the pressure in the system B hydraulic reservoir (Ref 29-09-00/201).
S 022-018
(4)
Remove the PTU pressure filter module (Fig. 201):
(a)
Put a container below the filter module to catch the hydraulic fluid.
(b)
Disconnect the hydraulic lines from the filter module.
(c)
Remove the bolts that attach the filter module.
(d)
Remove the filter module.
TASK 29-22-21-402-004
5. PTU Pressure Filter Module Installation_______________________________________
A. Consumable Materials
(1)
D00567 Skydrol Assembly Lube - MCS 352
(2)
D00568 Fluid - Hydraulic, BMS 3-11
B. Access
(1) Location Zone
216, 217 Main Wheel Well
C. Procedure
S 422-019
(1) Install the PTU pressure filter module (Fig. 201):
(a)
Put the filter module in its position with the flow direction arrow outboard.
(b)
Install the bolts to attach the filter module.
(c)
Connect the hydraulic lines to the filter module.
S 712-020
(2) Do the operational test of the PTU pressure filter module.
TASK 29-22-21-712-005
6. PTU Pressure Filter Module Operational Test___________________________________________
A. References
(1)
12-12-00/301, Hydraulic Reservoirs
(2)
24-22-00/201, Manual Control
(3)
29-09-00/201, Hydraulic Reservoir Pressurization System
(4)
29-15-00/201, Hydraulic Systems A, B, and Standby
B. Access
(1) Location Zone
101, 102 Control Cabin
216, 217 Main Wheel Well
C. Procedure
S 862-021
(1) Pressurize the hydraulic reservoirs (Ref 29-09-00/201).
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A 737-300/400/500MAINTENANCE MANUAL
S 862-022
(2) Supply the electrical power (Ref 24-22-00/201).
S 862-023
(3) Open these circuit breakers and attach DO-NOT-CLOSE tags: (a) P6 Panel 1) PTU/LG BYP V CONT 2 2) STANDBY HYD PUMP NORMAL 3) STBY HYD PUMP (ALTERNATE)
S 862-024
(4) Make sure these circuit breakers are closed: (a) P6 Panel 1) PTU/LG BYP V CONT 1 2) AUTOSLAT NO. 1 DC 3) AUTOSLAT NO. 2 DC
S 862-025
(5) AIRPLANES WITH AN AUTOSLAT COMPUTER (P/N 65-52818); Make sure these circuit breakers are closed:
(a) P6 Panel 1) AUTOSLAT NO. 1 AC 2) AUTOSLAT NO. 2 AC
S 862-027
WARNING: KEEP PERSONS AND EQUIPMENT AWAY FROM ALL CONTROL SURFACES AND
_______ LANDING GEAR WHEN HYDRAULIC POWER IS SUPPLIED. THE AILERONS, ELEVATORS, RUDDER FLAPS, SLATS, SPOILERS, STABILIZER, AND THE LANDING GEAR ARE SUPPLIED WITH POWER BY THE HYDRAULIC SYSTEM. INJURIES TO PERSONS OR DAMAGE TO EQUIPMENT CAN OCCUR WHEN THE HYDRAULIC POWER IS SUPPLIED.
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