(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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