NO YES
3 DO A VISUAL CHECK OF THE
23 DO THIS PROCEDURE: THE LATCH FITTINGS FOR WORN AREAS.LATCH FITTINGS HAVE WORN AREAS ARE THE LATCH FITTINGS (FIG. 103) WORN OR DAMAGED?
NO YES
4 FULLY OPEN THE DOOR. 24 DO THIS PROCEDURE: THE
CLOSE THE DOOR TO THE FAULT IS IN THE DOOR
COCKED POSITION.OPEN/CLOSE CYCLE (FIG. 105).
IS THE FAULT IN THE DOOR
OPEN/CLOSE CYCLE?
NO YES
25 DO THIS PROCEDURE: THE
5 USE THE INNER HANDLE TOFAULT IS IN THE DOOR COCKINGPUT THE DOOR IN THE CUTOUT BUTCYCLE (FIG. 106).
DO NOT LATCH IT.
USE THE INNER HANDLE TOPUT THE DOOR INTO THE COCKED POSITION.
NO
USE THE OUTER HANDLE TO DO
SEE SHEET 2
THE SAME STEPS.
(BLOCK 6)
IS THE FAULT IN THE DOOR COCKING CYCLE?
General Fault Isolation
Figure 102 (Sheet 1)
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FROM SHEET 1 (BLOCK 5)
NO
YES
6
USE THE INNER HANDLE TO
26 DO THIS PROCEDURE:
LATCH THE DOOR AND UNLATCH IT. THE FAULT IS IN THE DOOR
USE THE OUTER HANDLE TO DO LATCH/UNLATCH CYCLE
THE SAME STEPS. (FIG. 107).
IS THE FAULT IN THE DOOR
LATCH/UNLATCH CYCLE?
General Fault Isolation
Figure 102 (Sheet 2)
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PREREQUISITES
NONE
NOTE:____ TO THE PROBLEM DOOR CYCLE. MAKE SURE THAT A COMPONENT IS DEFECTIVE BEFORE YOU REPLACE IT.THIS CHART GIVES GENERAL DATA TO POINT THE USER
NOTE:____ 3. WORN GUIDE ARM BEARINGS 2. WORN TORQUE TUBE BEARINGS 1. INCORRECT DOOR RIGGING GREATER THAN NORMAL WORN AREAS SHOW:
THE LATCH FITTINGS HAVE WORN AREAS NOTE:____ ANOTHER PROCEDURE. REPLACEMENT OF WORN PARTS WILL OCCUR IN
YES
1 OPEN THE DOOR. 21 ADJUST THE LATCH ROD END
TAP LIGHTLY ON THE LATCH PLAY FOR THE APPLICABLE DOOR ROLLER CRANK AT EACH END OF (AMM 52-11-00/501, THE LATCH TORQUE TUBE.AMM 52-13-00/501,
DOES THE LATCH ROLLER AMM 52-41-00/501). CRANK MOVE NEARER TO THE DOOR FRAME BY MORE THAN .020 INCHWHEN TAPPED?
NO YES
2 EXAMINE THE LATCH 22 DO THIS PROCEDURE: THE FITTINGS. FAULT IS IN THE DOOR COCKING
ARE THERE WORN AREAS ON CYCLE (FIG. 106). THE INNER SURFACE OF THE UPPERLATCH FITTINGS?
NO
YES 23 DO THIS PROCEDURE: THE GUIDE ARM CAM FOLLOWER PIN BINDS IN THE CAM PLATE TRACKS (FIG. 104).
The Latch Fittings Have Worn Areas
Figure 103
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THE GUIDE ARM CAM PREREQUISITES FOLLOWER PIN BINDS NONE IN THE CAM PLATE TRACKS
YES
1 DO A CHECK FOR MOVEMENT OF
21 REMOVE AND REPLACE THE
THE CAM FOLLOWER PIN. WORN COMPONENTS FOR THE
CAN YOU SEE MOVEMENT APPLICABLE DOOR
BETWEEN THE PIN AND ITS (AMM 52-11-00/401,
BEARINGS? AMM 52-13-00/401,
AMM 52-41-00/401).
NO
YES
2 TOUCH THE GUIDE ARM
SUPPORT FITTING.
CAN YOU MOVE THE SUPPORT
FITTING?
NO
YES
3 TOUCH THE ROD END BEARING
23 REMOVE AND REPLACE THE ON THE GUIDE ARM.WORN COMPONENTS FOR THE CAN YOU MOVE THE ROD END APPLICABLE DOOR BEARING? (AMM 52-11-00/401, AMM 52-13-00/401,
NO
AMM 52-41-00/401).
4 ADJUST THE GUIDE ARM 中国航空网 www.aero.cn 航空翻译 www.aviation.cn 本文链接地址：737-300 400 500 AMM 飞机维护手册 舱门 DOORS 1(8)
