C.
Access
(1)
Location Zones
211/212 Control Cabin
731/741 Main Landing Gear (MLG)
732/742 MLG Body Doors
733/743 MLG Oleo Doors
D.
Prepare for the Removal of the Downlock Springs
S 494-019
WARNING: MAKE SURE THE DOWNLOCKS ARE INSTALLED ON THE NOSE AND MAIN
_______ LANDING GEAR BEFORE YOU MOVE THE CONTROL LEVER FOR THE LANDING GEAR. IF THE CONTROL LEVER IS MOVED WITHOUT THE DOWNLOCKS INSTALLED, THE LANDING GEAR CAN RETRACT AND CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
(1)
Make sure the downlocks are installed on the nose and main landing gear (AMM 32-00-20/201).
S 844-001
(2)
Put the control lever for the landing gear in the OFF position and attach a DO-NOT-OPERATE tag.
E.
Remove the Downlock Springs
S 494-002
(1)
Install the spring extender. Use the instructions supplied with the tool.
(2)
Extend the springs to release the pressure on the attach bolts.
S 034-004
(3)
Remove the bolt to disconnect the springs and the spools from the spring retainer (View A-A).
(4)
Release the tension on the springs.
S 864-003
S 864-017
32-11-22
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757
MAINTENANCE MANUAL
SHOCK
STRUT
SEE A
DRAG
STRUT
FWD
UPPER SIDE LOWER
STRUT DOWNLOCK
UPPER
DOWNLOCK
SPRING
LINK
LINK
RETAINER
B
LOWER SIDE STRUT A B
DOWNLOCK SPRING (2 LOCATIONS) A
A
SPOOL SPOOL SPRING (2 LOCATIONS) (2 LOCATIONS) SPRING
(2 LOCATIONS) LOWER
(2 LOCATIONS)SPACER DOWNLOCK LINK LOWER WASHER DOWNLOCK BOLT LINK
WASHER
BOLT
NUT WASHER
NUT WASHER
SPRING SPACERS
RETAINER
A-A B-B
Installation of the Downlock Springs for the Main Landing Gear
Figure 401
32-11-22
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MAINTENANCE MANUAL
S 094-018
(5)
Remove the spring extender.
S 034-005
(6)
Remove the bolt to disconnect the springs and the spools from the lower downlock link (View B-B).
S 024-006
(7)
Remove the downlock springs.
TASK 32-11-22-404-007
3. Install the Downlock Springs for the Main Landing Gear (Fig. 401)
______________________________________________________
A. Equipment
(1)
Downlock Spring Extender, MLG and NLG - B32002-1
B.
References
(1)
AMM 32-00-20/201, Landing Gear Downlocks
C.
Access
(1)
Location Zones
211/212 Control Cabin
731/741 Main Landing Gear (MLG)
732/742 MLG Body Doors
733/743 MLG Oleo Doors
D.
Install the Downlock Springs
S 434-008
(1)
Install the bolt, the washers, the spacers, the nut, and the cotter pin to connect the springs and the spools to the lower downlock link (View B-B).
S 494-009
(2)
Install the spring extender on the springs and the spools. Use the instructions supplied with the tool.
S 864-010
(3)
Extend the springs. Put the springs in the correct position on the downlock links.
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