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A 737-300/400/500MAINTENANCE MANUAL
INDEX NO. PART NAME DIM. DESIGN LIMITS WEAR LIMITS REPLACE PART WORN REPAIR WORN PART REPAIR INSTR.
DIAMETER PER-MITTED WEAR DIM. DIA MAX CLEAR-ANCE
MIN MAX
1 BEARING ID 0.4995 0.5000 0.5030 0.0035 X
BOLT OD 0.4985 0.4995 0.4981 X
2 BUSHING ID 0.4995 0.5000 0.5030 0.0035 X 1
BOLT OD 0.4985 0.4995 0.4981 X
3 BEARING ID 0.3122 0.3125 0.3155 0.0035 X
BOLT OD 0.3110 0.3120 0.3106 X
4 ROD END FITTING ID 0.3120 0.3130 0.3160 0.0040 X 2
BOLT OD 0.3110 0.3120 0.3106 X
5 BEARING ID 0.6245 0.6250 0.6275 0.0033 X
BOLT ASSEMBLY OD 0.6237 0.6242 0.6212 X
6 BUSHING ID 0.6245 0.6250 0.6275 0.0033 X 3
BOLT OD 0.6237 0.6242 0.6212 X
7 BUSHING ID 0.6245 0.6250 0.6265 0.0023 X 3
BOLT OD 0.6237 0.6242 0.6212 X
8 SUPPORT LINK ID 0.7500 0.7507 0.7522 0.0022 X 4
BUSHING OD 0.7495 0.7500 0.7491 X
REPLACE THE WORN BUSHING, INSTALL THE NEW BUSHING WITH WET PRIMER AND MACHINE TO 0.4995/0.5000 INCH DIAMETER. THE HOLES THROUGH THE TWO BUSHINGS ARE TO BE IN LINE IN 0.0001 INCH
_______WARNING: DO NOT GET THE PRIMER BMS 10-11 IN YOUR MOUTH OR EYES, OR ON YOUR SKIN. DO NOT
BREATHE THE FUMES FROM THE PRIMER. PUT ON A PROTECTIVE SPLASH GOGGLE AND GLOVES
WHEN YOU USE PRIMER. KEEP PRIMER AWAY FROM SPARKS, FLAME, AND HEAT. PRIMER IS
POISONOUS AND FLAMMABLE SOLVENT WHICH CAN CAUSE INJURY TO PERSONS AND DAMAGE TO
EQUIPMENT.
GET THE BUSHING. BORE THE HOLE TO GET 0.0002 TO 0.0013 INCH INTERFERENCE FIT (0.4379 INCH MAXIMUM). REAM THE BUSHING T0 0.3120/0.3130 INCH DIAMETER
REPLACE THE WORN BUSHING
GET THE BUSHING. BORE THE HOLE TO GET 0.0004 TO 0.0023 INCH INTERFERENCE FIT (0.9379 INCH MAXIMUM). REAM THE BUSHING TO 0.7500/0.7507 INCH DIAMETER
Elevator Power Control Unit Wear Limits
Figure 601 (Sheet 3)
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
27-31-14
ALL ú ú 01 Page 603 ú Jul 15/91
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
C. Access
(1)
Location Zone
704 Tail Cone
711 Elevator and Tab, LH
712 Elevator and Tab, RH
(2)
Access Panels
3801 Tail Cone Access Door, LH
3802 Tail Cone Access Door, RH
D.
Procedure
S 026-002
(1)
Do this task: "Elevator Power Control Unit Removal"
(Ref 27-31-14/401).
S 216-003
(2)
Examine the parts for worn areas:
(a)
Use a micrometer or a vernier caliper to measure the parts for the worn areas.
(b)
Compare the dimensions you measured with the permitted dimensions shown in Fig. 601.
(c)
Replace the parts that are not in the tolerance.
(d)
Install the parts.
