Piper COMANCHE PA-24-180 Service Manual page 170

d.
The aft stabilator control cables may be connected to the stabilator balance On the PA-24-180
PA-24-250 and PA-24-260. the cable with thimble end goes over the upper pulley and the cable with t
swagged ball and forked fitting goes to the bottom On the PA-24-400 the shorter of the two similar cables
go over the upper pulley Connect the aft control cables to the forward cable Match the painted ends Connect
the stabilator extension spring (31) and cable
e.
For the rigging and adjustment of the stabilator controls. refer to Paragraph 5-35
5-35 Rigging and Adjustment of Stabilator Controls.
a
To adjust the stabilator controls. first ascertain that the stabilator is properly balanced (Refer to
Section IV )
b
With the aircraft level. determine the level position of the stabilator by use of a bubble protractor
on a special leveling tool placed on the stabilator per dimensions in Figure 5-11 The leveling tool may be
fabricated per dimensions given in Figure 5-13 Set the stabilator travel by adjusting the stop bolts at the
torque tube horn (refer to Figure 5-12) and measuring the degree of travel with the bubble protractor on the
leveling tool. Travel dimensions from level are given in Table V-I
c
To set stabilator control cable tension. place the control wheel in neutral position Measure from
the instrument panel along the under side of the control column to the control wheel Refer to Table V-l for
appropriate dimensions and cable tensions to obtain the stabilator neutral position
NOTE
Stabilator should hit stabilator stop bolts before control wheel shaft
in cockpit hits stops.
d
Adjust link at stabilator control extension spring to obtain 125 inch slack in cable with stabilator
stops adjusted and control wheel in full forward position
g
5-36 Stabilator Trim Controls.
5-37 Removal of Stabilator Trim Mechanism. (Refer to Figure 5-10 )
a
To remove the trim mechanism or control cable. tension must be relieved from the control cables
Rotate the turnbuckle barrels (5) located in the aft section of the fuselage
b.
The forward trim cable may be removed by lowering the overhead light panel. gaining access to the
forward most pulleys (I) Disconnect the cable at the turnbuckles If thecable need not be reused.cut oneend
of the forward cable (2) and butt the new cable to it. solder the cables togetherand smooth the joint Should
it be necessary to reuse the old cable with the thimble. etc . attached. remove the trim crank and idler pulleys
Lower the headlining and remove the necessary cable guards to facilitate removal of the cable through the
bulkheads Withdraw the cable from its position.
c
The trim mechanism with the aft trim cable may be removed by disconnecting the trim tab actuating
arm. remox ing the cable guards at the pulleys and disconnecting the trim indicator wire Disconnect the tab
bellcrank assembly and the unit at the support bracket
ISSUED: 8/18/72
SURFACE CONTRO
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PIPER COMANCHE SERVICE MANUAL
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