Piper Comanche PA-24 Service Manual page 365

PIPER COMANCHE SERVICE MANUAL
6-58.
0IeckiDs l.aadinf
GeK
Relnclion Load. (Refer to FiJures 6-19 and 6-20.) Alter the landing gear
baa
beeD lubricated and properly adjusted as described in the prec:edq porqraphs. cheek r«netion load
by
usinJ
the followilqj procedure,
So
PIAc. the airplane on jacks. (Refer
to
Jacking. Section II.)
b. With the gear fully extended. disconDect the retraction transmission asoembly by pullina up on the
emerg.ncy r.l .... lever.
c. Partia.Uy retract the gear until it hangs
1tI
the neUaaI position. by
IlIinB
the emergency extension
lever.
cI.
On airplanes with Serial No .. 24-1 to 24-4782 inclusiv. lnd 24-4784 to 24-4803 inclusive. remove
the red knob on the emergency extension lever and install adapter tool. PIN 26348. aD the lever with
attaching bolt forward. (Ref ..
to
FiJure 6-19'>
..
On airplanes wi:h Serial Nos. 24-4783 and. 24-4804 and up. remove reuaetion transmission float
plat. and install adapter
too~ PIN 26347. in the left socIr.et of the retraction torque Nbe. (Refer to Fipre
6-20.)
f.
Ascertain
that the shoulder of the adapter is seated on the extension handle or on the torque Nb.
socket.
g. Open the gar motor circuit brak .. to prevent motor from running during gear check.
h. PutWly retract landing gear using adapter and install torque wrench on ldapter. aligning the
centerline of the torque wrench
With
the centerline of the retraction torque tubc.
i. Tum on the m ..... switch and slowly pull aft on the torque wrench complet.ly retr&cting the
gear.
j. Observe torque reading when the amber ..... up indicaror light initially com .. on. Th. torque
readilqj should not exceed limia riven in Tabl. VI-!.
TABLE VIol. TORQUE FOR EPFECTIVE WRENOI LENGTH
EFFECTIVE WRENCH LENGTH
MAXIMUM TORQUE
(INOIES) (FOOT POUNDS)
18
111
16 106
14 100
12
93
10 84
k. If torque exceeds the timia specified. check for the following'
1. Insuffici.nt lubrication. possibl. binding. improper .djusanent and damag.d pa", of the
retraction system.
2. Check the up limit switch for proper adjustment.
[I:
may not
ictu~tC
soon enough causing the
main gear to be pulled
tOO
hard apinst the rubber stop blocks, exerting excessive load on the system. The
main gear should fit snugly againSt the rubber stop blocks in the ... heel .... ll.
1J23
LANDING GEAR AND BRAKE SYSTEM
ISSUED:
8/18172