27-62-41
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
GROUND SPOILER
CONTROL VALVE

SEE A
CONTROL ROD
GROUND SPOILER CONTROL VALVE
BOLTS (4 LOCATIONS)
DIMENSION A
0.70 |0.01 INCH
RIG TOOL CHECKNUTVALVE LEVER INSPECTION HOLE
CONTROL ROD
A
Ground Spoiler Control Valve Installation
Figure 401

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 27-62-41
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 (2)  Rig Pin (S/B-1) - 0.311 +0.000/-0.002 inch diameter, 6.70 +/-0.25 inches long
 NOTE: The rig pin is a part of the kit F70207-69, -78, or -83.
____
 B. Consumable Materials
 (1)  
D00633 Grease - BMS 3-33 (Recommended)

 (2)  
D00013 Grease - MIL-G-23827 (Alternate)

 (3)  
D00196 Hydraulic Fluid - BMS 3-11

 (4)  
D00567 Skydrol Assembly Lube - MCS 352

 C.
References

 (1)  
27-62-41/501, Ground Spoiler Control Valve

 D.
Access

 (1)  
Location Zone
 216, 217 Main Wheel Well

 E.
Procedure

 S 714-005
 (1)  
Make sure the valve lever and the valve slide on the control valve move smoothly through the full range of travel.

 S 424-006

 (2)  
Install the control valve (Fig. 401):

 (a)  
Install the O-rings and reducers in the hydraulic ports on the control valve: 1) Remove the caps from the ports in the control valve. 2) Apply a thin layer of the hydraulic fluid or Skydrol

 Assembly Lube on the O-rings. 3) Install the O-rings and the reducers in the five hydraulic ports.

 (b)  
Make sure the hydraulic pressure in system A is released.

 (c)  
Remove the caps from the hydraulic lines.

 (d)  
Put the valve in its position on the bracket.

 (e)  
Install the connections for the five hydraulic tubes on the control valve.

 (f)  
Install the four bolts and washers that attach the control valve.

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
 (g) (h)  Make sure the heads of the two bolts in the valve handle are up.Tighten the connections for the five hydraulic tubes.
 (3)  S 864-007Move the speed brake lever to the DOWN detent.
 (4)  S 484-008Install the rig pin S/B-1 in the speed brake forward drum.
 (5)  S 484-009Install the rigging tool on the control valve to make sure the dimension A is 0.70 |0.01 inch.
 (6)  S 434-010Connect the control rod to the control valve: (a) Install the bolt with the head up. 1) If you cannot easily install the bolt, adjust the control rod: a) Loosen the checknut on the control rod. b) Adjust the length of the control rod until you can install the bolt. c) Apply a layer of the grease to the threads of the rod end. d) Make sure you can see the threads of the rod end through the inspection hole in the control rod. e) Tighten the checknut. (b) Install the washer, nut and cotter pin on the bolt.
 (7)  S 084-011Remove the rigging tool from the control valve.
 (8)  S 084-012Remove the rig pin from the speed brake forward drum.
 (9)  S 724-013Do the functional test of the control valve (Ref 27-62-41/501).

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