(2)
Place washer and nut on bolt. Tighten nut 240 to 350 pound-inches.
(3)
Install cotter pin.
D. Install inboard and outboard hinge bolts.
(1)
Position spacer on both sides of bearing.
NOTE: Ensure that flanged bushings are installed in structure.
(2)
Position bearing to align with clevis and install bolts with heads as shown in Figure 401.
(3)
Place washer and nut on bolt. Tighten nut 100 to 140 pound-inches.
(4)
Install cotter pin.
E. Connect two bonding jumpers to spoiler. Jumpers are attached at lower leg of leading channel adjacent to inboard and outboard hinges.
NOTE: If hole is not provided for fastener, locate hole 3.5 inches in from outboard end of panel and 0.5 inch aft of leading edge of lower leg. Inboard bonding jumper is fastened 8.5 inches outboard of inboard end of panel.
May 01/00 27-62-91 Page 401 BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.
G41084
No. 1 and No. 8 Ground Spoiler Installation 500
27-62-91 Figure 401 Jun 20/86
Page 402
BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.
F. Rotate spoiler through full travel and check for binding or interference.
G. Install the bolt attaching the spoiler actuator rod end to spoiler per detail A. Tighten the nut to 660-780 pound-inches.
H. Ensure that hydraulic systems A and B are depressurized and remove spoiler ground lock.
I. Position spoiler down.
J. Check that gap between the spoiler and fixed wing structure is 0.40 ±0.05 inch at end of spoiler panel. Gap is defined as metal-to-metal clearance.
K. Check that gap between adjacent spoilers is 0.70 ±0.10 inch.
L. Adjust seals on adjacent spoiler to 0.000 ±0.020/-0.000 inch gap.
M. Ensure that seals between spoiler and fixed wing structure contact firmly.
N. Adjust and test ground spoiler (Ref No. 1 and 8 Ground Spoilers - Adjustment/Test).
O. Determine whether there is any further need for electrical power on the airplane, if not, remove power.
Aug 01/96 27-62-91 Page 403 BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.
NO. 1 AND 8 GROUND SPOILERS - ADJUSTMENT/TEST
1. No. 1 and 8 Ground Spoiler Adjustment
A. Equipment and Materials
(1)
Corrosion Preventive Compound - MIL-C-11796, Class 3 (Ref 20-30-41)
(2)
Sealant - BMS 5-95 (Ref 20-30-11)
B. Prepare Ground Spoilers for Adjustment
(1)
Provide electrical power.
(2)
Provide system A hydraulic power (Ref 27-62-0, Maintenance Practices).
(3)
Ensure that spoiler switches are ON.
(4)
Place speed brake control lever in UP position. Check that ground and flight spoilers raise.
(5)
Fully retract trailing edge flaps with jackscrew stops in contact.
(a)
Set flap control lever in FLAP UP detent.
(b)
Pull inboard on WFFA cable in wheel well until jackscrew stops contact.
(6)
Place speed brake control lever in DOWN position to 1ower spoilers.
(7)
Position SPOILER A and B switches to OFF.
C. Adjust Ground Spoiler
(1)
Check that spoiler to flap clearance is 0.03 (+0.10/-0.00) inch measured at centerline of spoiler actuator (Fig. 501).
(2)
If spoiler to flap clearance is not within limits:
(a)
Record spoiler to flap clearance.
(b)
Provide access to spoiler actuator by either lowering flaps and opening applicable hinged trailing edge panel or by placing speed brake control lever in UP position. Depressurize hydraulic system A (Ref 27-62-0, Maintenance Practices).
WARNING: DO NOT PUT ANY PART OF BODY BETWEEN SPOILER AND WING UNLESS HYDRAULIC POWER IS REMOVED. SERIOUS INJURY CAN RESULT.
500
Feb 01/95 BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details. 27-62-91 Page 501
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