E. Install the Filter Module (Fig. 401)
 S 164-038
 (1)  
Clean the surfaces of the filter module which touch the bracket that holds the filter module.

 S 434-039

 (2)  
Remove the caps from the ports of the filter module.

 S 434-053

 (3)  
Do these steps to install the check valve or union in the pressure inlet port of the filter module:

 (a)  
Apply hydraulic lubricant or hydraulic fluid to the new O-ring and the threads of the check valve or union.

 (b)  
Install the check valve or union and the new O-ring in the pressure inlet port of the filter module.

 (c)  
Tighten the check valve to 340-380 pound-inches.

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757
MAINTENANCE MANUAL

 S 644-054
 (4)  
Apply hydraulic lubricant or hydraulic fluid to the new O-rings and the threads of the unions.

 S 434-055

 (5)  
Install the unions and the new O-rings in the ports of the filter module.

 S 424-056

 (6)
Put the filter module and the bonding jumper in their positions.

 S 424-057

 (7)  
Install the bolts and washers which hold the filter module and the bonding jumper in their positions.

 S 434-058

 (8)  
Remove the caps from the hydraulic lines.

 S 434-059

 (9)  
Connect the hydraulic lines to the filter module.

 S 434-060

 (10)
 Install the electrical connector on the pressure switch.

 F.
Install the Filter Element (Fig. 401)

 S 644-061
 (1)  
Apply hydraulic lubricant or hydraulic fluid to the new O-rings and the threads of the filter case.

 S 434-062

 (2)
Install the new O-rings on the filter element and the filter case.

 (3)  
Install the filter element and the filter case on the filter module.

 S 424-063
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 29-11-18
　
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