S 865-015
(5)
Pull up and forward on the release handle with the spring scale for the full travel of approximately 8 inches.
NOTE: The force necessary to release the nose gear from the up and
____ locked position must not be more than 87 pounds.
S 865-016
(6) Make sure the nose gear falls free to the down and locked position.
NOTE: The green light on the P2 panel will come on when this
____ occurs. The red marks on the lock strut indicator for the nose gear will also align to |0.03 inch.
S 085-008
(7)
Remove the spring scale from the release handle.
S 415-009
(8)
Close the manual extension access door.
F.
Put the airplane in the usual condition.
S 865-020
(1)
Remove the DO-NOT-CLOSE tags and close these circuit breakers:
(a)
P6, Hydraulic System Circuit Breaker Panel
1) C781, L.G. SYS XFR VALVE PRI CONT
2) C799, L.G. SYS XFR VALVE SEC CONT
(2)
Remove the pressure from hydraulic system A (Ref 29-15-00/201).
S 865-021
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737-300/400/500MAINTENANCE MANUAL
S 765-011
(3)
Remove electrical power (AMM 24-22-00/201).
S 495-017
(4)
Install the ground lock assembly in the nose gear
(Ref 32-00-01/201).
S 095-019
(5)
Lower the nose of the airplane and remove the jacks
(Ref 07-11-21/201).
TASK 32-35-00-715-008
4. Nose Gear Manual Extension System Test (Airplane on the Ground)______________________________________
A. Standard Tools and Equipment
(1)
Scale - Spring; 0-50 pound capacity
B.
References
(1)
32-00-01/201, Ground Lock Assemblies
C.
Access
(1)
Location Zone
101 Control Cabin - Left
102 Control Cabin - Right
D.
Do the Test.
S 495-009
(1)
Make sure you install the ground lock assembly in the nose landing gear (Ref 32-00-01/201).
S 495-028
(2)
Make sure the control lever for the landing gear is in the DN position.
S 865-010
(3)
Put the control lever in the OFF position.
(4)
Open the manual extension access door.
(5)
Attach the spring scale to the release handle for the nose gear.
(6)
Pull up and forward on the release handle with the spring scale.
S 725-017
(7)
Make sure these conditions occur:
(a)
The force necessary to start the release handle is at least 4.0 pounds.
(b)
The full travel is at least 7.40 inches.
(c)
The force at the full travel is not more than 28.0 pounds.
S 015-011
S 485-012
S 865-026
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737-300/400/500MAINTENANCE MANUAL
S 865-014
(8) Let the release handle go to the stowed position.
NOTE: Make sure it returns to the stowed position without
____
binding.
S 865-029
(9)
Move the control lever for the landing gear to the DN position.
S 085-015
(10)
Remove the spring scale from the release handle.
S 415-016
(11)
Close the manual extension access door.
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