Removal Of Nose Gear - Piper Cheyenne IIIA Airplane Maintenance Manual

PIPER AIRCRAFT
PA-42-720 (Advanced Trainer)
MAINTENANCE MANUAL
A. Nose Gear and Doors (continued)
2. Removal of Nose Gear (refer to 32-20-00 Figure 401)
(a) Remove right and left nose section side access panels.
(b) Remove lower radios and radio shelf.
(c) Remove the water separator assembly. (refer to 21-70-00.)
(d) Place the airplane on jacks. (Refer to Jacking, 7-10-00.)
(e) With the hand pump, retract the nose gear slightly to relieve the gear from its down locked
position.
(f) To remove the drag link assembly, the following procedure is used:
(1.) Disconnect the gear retraction rod from the upper right drag link.
(2.) Disconnect the lower drag link from the gear oleo housing.
(3.) The upper and lower link assemblies are removed as one unit by removing the upper drag
links attachment bolts at their attachment plates.
(g) With the lower drag link disconnected from the gear housing, remove the gear by removing the
attachment bolt assemblies at the attachment plates on each side of the gear housing. Note
the number and location of spacer washers between the gear housing and attachment plates.
(h) The idler link is removed after disconnecting the gear operating rod as follows:
(1.) Remove the down lock spring and the eye bolt attached to the idler link.
(2.) Disconnect the gear actuating cylinder rod from the link.
(3.) Remove the link pivot bolt by sliding the bolt out of the link allowing the head to enter the
hole in the side of the limit bracket. With the head through the bracket hole, the threaded
end of the bolt can continue out of the link.
(4.) Remove the idler link.
(i) The up lock cable is removed by removing the nut from the actuating cylinder support bolt and
sliding the cable off the bolt. Retain the bolt in place to support the cylinder.
(j) The up lock hook is removed after removal of the up lock cable, blowdown actuating rod, and
the hook pivot bolt. Remove the hook with the up lock spring.
NOTE: The idler link, up lock cable and up lock hook can be removed with the support tube as
one unit.
(k) To remove support tube, remove the up limit switch and wire support clamps. Hold support
nuts in the nose section with a wrench while removing bolts and remove support tube.
(I) The gear housing attachment plates are removed by grinding the rivet heads flush with the
plate and removing the rivets.
(m) The upper drag links and attachment plates are removed by holding the attachment nuts in the
nose section with a wrench and removing the support bolts.
EFFECTIVITY:
040-999
32-20-00