THE PART IS REPAIRABLE; REFER TO THE COMPONENT MAINTENANCE MANUAL FOR THE REPAIR INSTRUCTIONS.
MAXIMUM PERMITTED SIDEPLAY. REPLACE THE WORN PARTS.
Nose Landing Gear Torsion Links Wear Limits
Figure 601 (Sheet 2)
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NOSE GEAR TRUNNION PIN - REMOVAL/INSTALLATION
_____________________________________________
1. General_______
A. This procedure contains two tasks. The first task removes the trunnion pin for the nose landing gear. The second task installs the trunnion pin for the nose landing gear.
TASK 32-21-12-004-001
2. Remove the Trunnion Pin for the Nose Landing Gear_________________________________________________
A. Equipment
(1)
Trunnion Pin Puller - B32003-1
(2)
Shock Strut Lock, NLG - B32019-1
(3)
Nose Gear Towing Lever Lockpin - A09003-1
(4)
Rig Pins from Set B20003-XX (Ref 20-10-24/201):
(a)
Rig Pin - NS1
(b)
Rig Pin - NS2
(c)
Rig Pin - NS4
(5)
Automotive-type Axle Jack - Commercially Available
B.
References
(1)
AMM 07-11-02/201, Jacking Airplane Nose
(2)
AMM 29-11-00/201, Main (Left, Right, and Center) Hydraulic Systems
(3)
AMM 32-00-15/201, Landing Gear Door Locks
(4)
AMM 32-00-20/201, Landing Gear Downlocks
C.
Access
(1)
Location Zones
119/120 Main Equipment Center
711 Nose Landing Gear (NLG)
713/714 Forward NLG Door
715/716 Aft NLG Door
730/740 Main Landing Gear and Doors
(2)
Access Panels
119BL Main Equipment Center
D.
Prepare for the Removal of the Trunnion Pin
S 494-002
(1) Make sure the downlocks are installed on the nose and main landing gear (AMM 32-00-20/201).
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A
A SEE B
B
SEE A
VALVE CAP
B
SWIVEL NUT
A
POTTING
COMPOUND
TRUNNION TRUNNION
PIN PIN NUT
INBD
LOCKBOLT NUT (2 LOCATIONS)
TANG WASHER
SHOCK WHEEL
STRUT WELL WALL
RIGHT TRUNNION PIN A-A
Trunnion Pin Installation for the Nose Landing Gear Figure 401 (Sheet 1)
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TRUNNION PIN
WASHER
POTTING COMPOUND
LOCKBOLT NUT
NWSA NGPPA (2 LOCATIONS) CABLE CABLE
STEERING CABLES CASTELLATED NUT
SEAL ASSEMBLYSEAL RING
ASSEMBLY
FWD
NGPPB
NWSB CABLE
CABLESTRUT
C-C
LEFT TRUNNION PIN
B-B
Trunnion Pin Installation for the Nose Landing Gear
Figure 401 (Sheet 2)
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S 494-025
ú WARNING: OBEY THE INSTALLATION PROCEDURE FOR THE DOOR LOCKS. THE DOORS_______
ú OPEN AND CLOSE QUICKLY. THE MOVEMENT OF THE DOORS CAN CAUSE
ú INJURIES TO PERSONS AND DAMAGE TO EQUIPMENT.
ú
(2) Open the doors for the landing gear and install the door locks
(AMM 32-00-15/201).
S 864-004
(3) Remove the pressure from the left hydraulic system
(AMM 29-11-00/201).
S 864-005
(4) Deflate the shock strut (Detail A).
E. Remove the Trunnion Pin
S 034-026
(1) Remove the cap for the air valve from the air valve. The air valve
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