52-11-21
ú CONFIG ú B01 Page 402 ú Nov 15/97
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
(b) Remove the bolt (2) that attaches the guide arm to the fitting.
S 034-005-B01
(4)
Remove the roller (14) from the guide arm.
(a)
Push the latch pin (5) against the spring (12).
(b)
While you hold the latch pin, remove the spring pin (5).
(c)
Remove the latch pin and the spring.
(d)
Remove the roller (14) from the guide arm. 1) Push the guide arm and the bottom bushing out of the guide
arm. 2) Remove the thrust bearing (7).
TASK 52-11-21-404-006-B01
3. Forward Entry Door Guide Arm Installation (Fig. 401)
_________________________________________
A. Consumable Materials
(1)
D00013 Grease - MIL-G-23827
B.
Access
(1)
Location Zone
105 Forward Entry Door
C.
Procedure
S 224-007-B01
(1)
Examine the guide plates.
(a)
Measure the distance between the guide plates at the top hinge.
(b)
Make sure the distance is from 1.395 to 1.405 inch.
NOTE: The latch pin operates correctly with this dimension.
____
1) Change the shims below the guide plates if it is necessary to get the correct dimension. a) Remove the bolts that hold the top guide plate. b) Remove the top guide plate. c) Change the shims to get the correct dimension. d) Install the guide plate. e) Install the bolts that hold the guide plate.
S 644-008-B01
(2)
Lubricate the parts.
(a)
Put a layer of grease on the latch pin (5).
(b)
Put a layer of grease on the roller (14), the thrust bearing
(7)
and the collar (10).
(c)
Put a layer of grease in the tracks on the top and the bottom guide plate.
S 434-009-B01
(3)
Assemble the roller mechanism on the guide arm.
(a)
Make the chamfer on the guide arm point up.
(b)
Install the collar and the thrust bearing in the guide arm.
(c)
Put the bushings on the roller.
(d)
Install the roller in the guide arm.
(e)
Install the spring and the latch pin in the roller.
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. AIRPLANES WITHOUT A TRIGGER ú
52-11-21
ú CONFIG ú B01 Page 403 ú Nov 15/92
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
(f) While you hold the latch pin, put the spring pin in the collar.
S 434-010-B01
(4)
Connect the guide arm to the door.
(a)
Install the bolt that holds the guide arm to the fitting.
(b)
Move the guide arm to make the latch pin point up.
CAUTION:_______BE CAREFUL WHEN YOU MOVE THE DOOR. WITH THE GUIDE ARM DISCONNECTED, YOU CAN CAUSE DAMAGE TO THE DOOR WHEN YOU MOVE IT.
(c)
Open the door sufficiently to install the fitting on the hinge support.
(d)
Install the four bolts that hold the fitting to the hinge support.
S 434-011-B01
(5)
Connect the guide arm to the fuselage.
(a)
Close the door sufficiently to get to the cover on the hinge.
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