(c)
Move the door slowly from the cocked position.
(d)
Make sure you cannot feel the operation of the snubber.
(e)
Replace the snubber if it does not operate correctly.
S 215-043-B00
(4)
Do a check of the door lock mechanism for the airstair door.
(a)
Close and latch the forward entry door.
(b)
From the electronic equipment compartment, see that the lock pin for the airstair door extends.
(c)
Open the forward entry door.
(d)
From the electronic equipment compartment, see that the lock pin for the forward airstair door retracts.
S 725-045-B00
(5)
Do a check of the force that is necessary to open the door.
(a)
Move the inner handle to the open position.
(b)
Push on the assist handle with a spring scale to open the door. 1) Push 90 degrees to the centerline of the handle. 2) At the same time, push the same direction as the inner
surface of the door.
(c)
Make sure the door opens with 60 pounds maximum.
S 725-046-B00
(6)
Do a check of the force that is necessary to close the door.
(a)
Release the latch lever.
(b)
Use the spring scale to pull the door closed. 1) Pull 90 degrees to the centerline of the assist handle. 2) At the same time, pull the same direction as the inner
surface of the door.
(c)
Make sure the force that is necessary to close the door is from 25 to 35 pounds.
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737-300/400/500MAINTENANCE MANUAL
S 725-048-B00
(7)
Do a check of the torque that is necessary to operate the handle.
(a)
Install the torque wrench C52008-1 on the internal door handle.
(b)
Open the door to the cocked position.
1) See that the torque you use is not more than 420 pound-inches.
(c)
Open the door fully.
1) See that the torque you use is not more than 600 pound-inches.
(d)
Close the door until the seals touch the door opening.
1) See that the torque you use is not more than 600 pound-inches.
(e)
Close the door fully.
1) See that the torque you use is not more than 700 pound-inches.
(f)
Remove the torque wrench C52008-1 from the inner door handle.
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737-300/400/500MAINTENANCE MANUAL
FORWARD ENTRY DOOR - INSPECTION/CHECK
_____________________________________
1. General_______
A. This procedure contains a task to examine the forward entry door. It is a visual check of the general condition of the door and its attachment.
TASK 52-11-00-206-001-B00
2. Forward Entry Door Inspection_____________________________
A. Standard Tools and Equipment
(1)
Maintenance stand
B.
References
(1)
52-11-31/401, Forward Entry Door Lining and Insulation
(2)
IPC 52-10-01 Fig 1
C.
Access
(1)
Location Zone
105 Forward Entry Door
(2)
Access Panel
4201L Forward Entry Door
D.
Procedure
S 866-002-B00
(1)
Make sure the airplane is on its wheels.
S 496-003-B00
(2)
Put a maintenance stand adjacent to the forward entry door.
(3)
Open the door.
(4)
Remove the door lining and insulation (Ref 52-11-31/401).
S 216-006-B00
(5) 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(43)
