OUTBOARD MIDFLAP CARRIAGE - INSPECTION/CHECK
1. General
A. This data consists of illustrations and a wear limits chart. There is no procedure given for gaining access to the component for removal or replacement after inspection for wear. Refer to Outboard Midflap Carriage - Removal/Installation for this information.
2. Outboard Midflap Carriage Wear Limits (Fig. 601)
G18267 G18668
500 Outboard Midflap Carriage Wear Limits
Aug 15/73 Figure 601 (Sheet 1) 27-51-81
Page 601
BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.
Outboard Trailing Edge Flap Wear Limits 567
27-51-81 Figure 601 (Sheet 2) Jun 20/86
Page 602
BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.
INDEX NO. PART NAME DIM. DESIGN LIMITS WEAR LIMITS REPLACE WORN PART REPAIR WORN PART REPAIR INSTR.
DIAMETER MAX WEAR DIM. MAX DIAM CLEAR ANCE
MIN. MAX.
1 BUSHING ID 0.3125 0.3140 0.3180 0.0060 X
BOLT OD 0.3110 0.3120 0.3065 X
2 BEARING OD 1.4945 1.4955 1.4945 2 1
X
3 BEARING OD 1.4945 1.4955 1.4645 X
4 BEARING ID 1.0510 1.0520 1.0560 0.0060 X
INNER RACE OD 1.0490 1.0500 1.0450 X
5 3 INNER RACE ID 0.8740 0.8745 0.8770 0.0030 X
SPINDLE OD 0.8742 0.8756 0.8726 X
ROTATE BEARING ON KEYWAY UNTIL ALL POSITIONS ARE WORN TO MINIMUM DIAMETER
MEASURE DIAMETER AT CONTACT WEAR POINT
INTERFERENCE FIT - NEW PARTS
513 Outboard Trailing Edge Flap - Wear Limits
Feb 20/89 Figure 601 (Sheet 3) 27-51-81
Page 603
BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.
OUTBOARD MIDFLAP CARRIAGE - APPROVED REPAIR
1. General
A. The approved repair of the outboard midflap carriage consists of replacing the bearing or roller and bushing on aft end of the carriage spindle. The repair can be made with the flaps installed on the airplane; however, only one bearing or roller and bushing should be replaced at one time.
2. Equipment and Materials
A. Grease - MIL-G-21164 (Ref 20-30-21)
B. Corrosion Preventive Compound - MIL-C-11796, Class 3 (Ref 20-30-21)
C. Primer - BMS 10-11, Type 1 (Ref 20-30-4)
D. Sealant - BMS 5-95, Class B (Ref 20-30-11)
E. Sealant - BMS 5-79, Class C (Ref 20-30-11)
3. Remove Outboard Midflap Carriage Spindle Bearing or Roller (Fig. 801)
A. Provide system A hydraulic power (Ref 27-51-0, MP).
B. Extend flaps as necessary for access to carriage spindle access panel (detail A).
C. Remove system A hydraulic power (Ref 27-51-0,MP).
D. Remove access panel from upper surface of flap.
E. Provide suitable support at trailing edge of midflap to support flap when carriage bearing support is removed.
F. Remove bolts which secure carriage bearing support to forging in midflap. Remove and record position and thickness of all shims which are freed when bolts are removed (Section A-A).
G. Remove clevis pin, nut, washers, bearing and key if installed from spindle (detail B).
H. Clean spindle and all removed parts of sealant, primer, corrosion preventive compound, grease and other soils.
4. Install Outboard Midflap Carriage Spindle Bearing or Roller (Fig. 801)
A. On airplanes with keyed bearing, install bearing as follows:
(1)
Apply corrosion preventive compound to spindle and bore of bearing (Detail B). Install bearing and key on spindle.
(2)
Clean excess corrosion preventive compound from aft end of bearing and spindle.
(3)
Apply fillet of BMS 5-95 sealant between aft end of bearing and spindle before installing washer.
567
Feb 20/85 BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details. 27-51-81 Page 801
G35246G34952
Outboard Midflap Carriage Spindle Bearing Installation 532
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