Piper Comanche PA-24 Service Manual page 358

PIPER COMANCHE SERVICE MANUAL
6-52. AdjulaDenr
Of lindi,. Ge. Safety Switch.
L
The IandiJIs ...... safety nritch iocared on the left main ...... is adjusted
10
the nrireh is aCN&ted in
the last 0.75 of an inch of ...... extension.
b. The nriteh with the boot sal and adjuItinJ rod (refer to figure 6-9. Sketch
B)
is adjuRed by
platu., the gcar in full down position and the strUt fully extended. Scn:w the actUator ann
(41)
down until
the switch clicks on. then
sa ....
down an additional 0.187 of an inch and secure with jam nur (40).
c. The round nriteh used on aircraft without the
Idjusriq
rod and ann is adjusted by compr .....
the strUt until 5.5 inch .. is obtained berwcen the top of the .... fork (34) and bottom of the gear housing
(15),
then adjUst the nriteh down until it contaCtS the suiker plate. ScCllre the nritch and safety.
d. A5certain that either switch will aemate in the last 0.75 of an inch of oleo extension.
6-53. AdjUstJllCllt
Of
The Gar Down LimIt Swirdl.
L
Before attempting any adjumnent of the down limit nriech, ascertain that the nose and main ......
d .... link assembli .. are properly adjusted. Refer
to
parqraphs 6-15 au 6-34.
b. Each main gear down limit nritch attached to the
sid~
brace
dnJ
link assembly
is
adjusted by
moving the nritch toward or away from the suiker plate. When the IandiJIs .... is down and locked, the
limit switch should have broken contact.
c. The nose gear down limit nritch located
at
the left d ... link is adjusted by moving it toward or
away from the saiker plate. When the lcar is down and locked, the nrireh should have broken contact.
d. Check operation of the down limit nritch .. by the following procedure:
1.
Open lanclilll ...... retraction mOtOt cirCllit breaker.
2. Tum on the master switch.
3.
OiscoMcct
the rettaction trUlsmission by puUilll up on the release lever and manually
rerractinJ the landing gear using the emergency extension lever.
4. At the point where the green light goes out, apply rearward pressure on the nose gear and
inward pressure on the main gear. The gear should not unlock.
6-H Adjustment
Of
Gar' Retnction Transmiaion Aaembly. (Refer to Figure 6-14.) Adjust the
retraction cnnsmission by using the follOWing procedure:
.. Release the «<pction transmission by pulling up on the emergeric!y rei .... lever.
b. Adjust the pushopuU cables so the cable
(1)
from the right gear hu three threads exposed fOI'wud
of the castellated nut and the cable (2) from the left gear hu one thread exposed forward of the castellated
nut. (A spanner wrench may be fabricated to righten the castellated nuts. See Figure 6-40.)
NOTE
The main geu push-pull cables cross each other aft of the rernction
transmission.
IJ16
LANDING GEAR AND BRAKE SYSTEM
ISSUED: 8/18/72