(2)
AMM 29-15-00/201, Hydraulic Systems A, B and Standby
(3)
AMM 29-15-71/201, Hydraulic System A and B Pressure Module
(4)
AMM 29-15-91/201, Case Drain Filter
(5)
AMM 71-00-00/501, Power Plant - Adjustment and Test
(6)
AMM 71-11-02/201, Fan Cowl Panels
C. Access
(1)
Location Zone
506 Engine No. 1 - Fan Frame
606 Engine No. 2 - Fan Frame
(2)
Access Panel 5746 Fan Cowl Panel (LH) - Engine No. 1 5846 Fan Cowl Panel (LH) - Engine No. 2
D. Prepare for the Installation
S 964-034
(1) If you replace the hydraulic pump because of a mechanical malfunction in the pump , do these steps:
(a) Replace the filter elements for the pressure filter (AMM 29-15-71/201), and the case drain filter (AMM 29-15-91/201).
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(b) Flush the lines between the pump and the filters.
S 644-010
(2)
Lubricate the 0-rings, the shaft seal, and the threaded fittings with assembly lube or hydraulic fluid.
S 434-011
(3)
Install the O-ring and the union in the supply, the pressure, and the return line ports (if they are not already installed).
S 214-012
(4)
Make sure the drain line for the pump shaft seal is clean.
(a) Flush the line if it is necessary.
E. Procedure
S 614-014
(1) Fill the pump approximately half full with hydraulic fluid before you install it.
NOTE: Fill the pump through all of the ports.
____
S 434-015
(2)
Install the O-ring in the pump mounting flange (if it is not already installed)
S 434-016
(3)
Install the shaft seal on the shaft (if it is not already
installed).
S 644-018
(4)
On the pumps with the steel splines, apply the grease to the splines on the pump shaft.
NOTE: On the pumps with the splines that are not metal, do not
____
apply the grease.
S 144-019
(5) Clean all mating surfaces with the isopropyl alcohol, ethyl alcohol, CDG-110, CDG-211, FCC-55, MEK:sec-butyl alcohol (42:58), or Naphtha.
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(6) S 434-020Engage the pump shaft with the engine drive shaft.
(7) S 434-021Install the QAD clamp and tighten it to the torque given on the clamp.
(8) S 434-022Connect the hydraulic lines to the pump.
(9) S 434-023Connect the electrical connector.
S 864-024
(10)
Pressurize the hydraulic reservoirs (AMM 29-09-00/201).
S 864-025
(11)
Run the engine at idle (AMM 71-00-00/501).
S 214-026
(12)
Make sure the hydraulic pressure becomes stable at 2925-3100 psi with the flight control switches in the OFF position.
S 864-027
(13)
Set the engine pump switch to the OFF position until the hydraulic system pressure goes to zero.
S 864-028
(14)
Set the pump switch to the ON position and make sure the pressure becomes stable between 2925 and 3100 psi.
S 864-030
(15)
Stop the engine (AMM 71-00-00/501).
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29-15-11 中国航空网 www.aero.cn 航空翻译 www.aviation.cn 本文链接地址：737-300 400 500 AMM 飞机维护手册 液压 HYDRAULIC POWER(90)
