(2)  
Micrometer - 1 to 2 inch (2 to 5cm), inside measuring

 (3)  
Micrometer - 1 to 2 inch (2 to 5cm), outside measuring

 (4)  
Vernier Caliper

 (5)  
Dial Indicator

 B.  
References

 (1)  
27-51-03/401, Aftflap - Inboard

 C.  
Access

 (1)  
Location Zone
 578 Inboard Flap Aftflap, LH
 678 Inboard Flap Aftflap, RH

 D.  
Procedure

 S 026-002
 (1)  
Remove the inboard aftflap (Ref 27-51-03/401).

 S 226-003

 (2)  
Measure the parts which connect the inboard aftflap for worn areas.

 (a)  
Remove the parts.

 (b)  
Use a micrometer or a vernier caliper to measure the parts.

 (c)  
Compare the dimensions that you measured with the permitted dimensions shown in Fig. 601.

 (d)  
Repair or replace the parts that are not in the tolerance as shown in Fig. 601.

 (e)  
Install the parts.

 S 226-004
 (3)  
Measure the axial play in the inboard aftflap bearing.

 (a)
Disconnect the parts to examine the axial play.

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 (b)  
Attach a dial indicator.

 (c)  
Measure the axial play.

 (d)  
Compare the axial play which you measured to the permitted axial play as shown in Fig. 601.

 (e)  
Replace the bearings which are not in the tolerance.

 (f)  
Connect the items which you disconnected.

 S 426-005
 (4)  Install the inboard aftflap (Ref 27-51-03/401).
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MAINTENANCE MANUAL

MIDFLAP  FWD  A  A  AFTFLAP 
1. BUSHING/PIN  7. BOLT  2. BUSHING/ SPINDLE  3. BEARING 
6. BUSHING/PIN  5. BEARING/ A-A (4 LOCATIONS) SPINDLE  4. BEARING 
Inboard Aftflap Wear Limits Figure 601 (Sheet 1) 

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1 INDEX NO.  PIN BUSHING PART NAME DIM. ID OD  (cm)(cm) MAXIMUMMINIMUM 1.1862 1.1867 1.1875 1.1880 INCHES INCHES DESIGN LIMITS DIAMETER (3.014)(3.013) (3.018)(3.016)  (cm) DIMENSION 1.1807 1.1935 PERMITTED INCHES WEAR WEAR LIMITS (2.999) (3.031)  (cm) CLEARANCE 0.0068 MAXIMUM DIAMETER INCHES (0.017)  PART WORN REPLACE X X  PART WORN REPAIR  REPAIR INSTR 
2  SPINDLE BUSHING ---- (6.629)(6.617) (0.239)(0.226) 2.6102.605 0.0940.089 2 2 1 1  (0.201) 0.079 3 1  (AXIAL) 0.032 (0.081)  X  X  4 
3  BEARING ID ODX  XX  X  0.010 5 (0.025)  X 
4  BEARING OD ID X  XX  X  0.010 5 (0.025)  X 
5  SPINDLE BEARING ID OD  2.249 2.251 2.253 2.256 (5.718)(5.712) (5.730)(5.723)  2.261 3 (5.743)  0.010 (0.025)  X  X  4 
6  BUSHING PIN ID OD  1.1875 1.1880 1.18671.1862 (3.014)(3.013) (3.018)(3.016)  1.192 1.181 (2.300) (3.028)  0.005 (0.013)  X X 
7  BOLT ID OD X  (0.632) (0.634) 0.24950.2490 XX  (0.584) 0.230 X  X  6 
　
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