(5)  
D00567 Skydrol Assembly Lube - MCS352

 C.
References

 (1)  
12-12-00/301, Hydraulic Reservior

 (2)  
27-51-00/201, Trailing Edge Flap Systems

 (3)  
27-51-79/501, Trailing Edge Flap Control Valve

 D.
Access

 (1)  
Location Zone
 217 Right Main Wheel Well

 E.
Procedure

 S 434-007
 (1)
Install the union and O-ring in each port of the control valve:

 (a)  
Apply a thin layer of the hydraulic fluid or the assembly lube on the O-rings.

 S 424-008
 (2)
Install the control valve in the flap control unit (Fig. 401):

 (a)  
Carefully put the control valve in the flap control unit.

 (b)  
Install the four bolts. 1) Tighten the bolts. 2) Install the lockwire on the bolts.

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 27-51-79
 ALL  ú ú 01 Page 404 ú Jul 12/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A

737-300/400/500
MAINTENANCE MANUAL

SEAL
PLATE
MOUNTING
BOLT
(4 LOCATIONS)
SEE A
TE FLAP SEE B
CONTROL VALVE
A
O-RING
SOLENOID
VALVE

FWD INBD
B
Flap Load Limiter Solenoid Valve Installation
Figure 402

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 ALL  ú ú 01 Page 405 ú Mar 15/91
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
 (3)  S 434-009Attach the hydraulic lines to the control valve: (a) Remove the caps from the ports and the plugs from the hydraulic lines. (b) Connect the hydraulic lines to the control valve.
 (4)  S 434-010Attach the control valve to the bellcrank: (a) Put the grease in the lubrication grooves on the spacers. (b) Put a washer and a spacer on the bolt. (c) Install the bolt with the head forward. (d) Install the spacer, the washer and the nut on the bolt. (e) Tighten the nut and install the cotter pin.
 (5)  S 414-011Install the two plug buttons in the control unit: (a) Put the plug buttons in their position. (b) Apply a layer of the sealant around the edge of the plug buttons.
 (6)  S 484-012Remove the rig pin F-1.
 (7)  S 434-013Connect the electrical connector to the solenoid valve.
 (8)  S 864-014Do this task: "Hydraulic System B Pressurization" (Ref 27-51-00/201).
 (9)  S 864-015Put the flap control lever in the 40-unit detent to extend the flaps.
 S 864-016

 (10)
 Put the flap control lever in the UP detent to retract the flaps.

 S 214-017

 (11)
 Make sure there are no leaks at the hydraulic connections.

 S 824-018

 (12)
 Do this task:  "Trailing Edge Flap Control Valve Adjustment" (Ref 27-51-79/501).

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 ALL  ú ú 01 Page 406 ú Mar 15/91
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
 F. Put the Airplane Back to Its Usual Condition.
 S 864-019
 (1)  
Do this task: "Hydraulic System B Depressurization" (Ref 27-51-00/201).

 S 614-020

 (2)  
Do this task to service the hydraulic reservoir if it is necessary: "Service Hydraulic Reservoir" (Ref 12-12-00/301).

 S 414-021

 (3)  
Install the lower pan on the flap control unit.

 TASK 27-51-79-004-022
 4. Flap Load Limiter Solenoid Valve Removal
________________________________________
 A. Access
 (1)  
Location Zone
 217 Right Main Wheel Well

 B.
　
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