PIPER CHEROKEE SIX / LANCE SERVICE MANUAL
VII - POWER PLANT (PA-32-260) 07/15/06
2F2
7-18. ADJUSTMENT OF THROTTLE AND MIXTURE CONTROLS. (Serial Nos. 32-1 to 32-1110
inclusive.) (Refer to Figure 7-4a.) Throttle and mixture controls are adjusted so that when the throttle
arm on the carburetor is rotated forward against its full throttle stop and the mixture arm is rotated
forward against its full rich stop, the cockpit control knob of the throttle should be 0.75 to 1.0 and the
mixture 0.062 to 0.125 of an inch from the cable housing face plate on the panel.
a. The throttle may be adjusted as follows:
1. At the carburetor, disconnect the clevis end of the throttle control cable from the control arm.
Loosen the jam nut that secures the clevis end.
2. Adjust the linkage by rotating the clevis end of the cable to obtain 0.062 to 0.125 of an inch
spring back when the control is in the forward position.
3. Reconnect the clevis end to the control arm and safety.
b. The mixture may be adjusted as follows:
1. At the carburetor, loosen the swivel fitting that connects the wire of the control cable to the
mixture arm.
2. Reposition the fitting on the wire to obtain the 0.062 to 0.125 of an inch spring back between
the knob and plate when the mixture control arm is against its stop.
3. Tlghten the swivel fitting and safety. The control wire should be straightened to align with the
control cable casing after tightening the swivel fitting.
c. Check security of cable casing attachments.
d. Pull throttle and mixture knobs in cockpit full aft to ascertain that the idle screw contacts its stop
and the mixture control arm contacts its lean position.
7-18a. ADJUSTMENT OF THROTTLE AND MIXTURE CONTROLS. (Serial Nos. 32-1111 and up.)
(Refer to Figure 7-4a.) Throttle and mixture controls are adjusted so that when the throttle arm on the
carburetor is rotated forward against its full throttle stop and the mixture control is rotated forward
against its full rich stop, the cockpit control levers of the throttle and mixture should have 0.010 to 0.030
of an inch spring back on instrument panel stop when in full throttle or full rich position.
a. The throttle may be adjusted as follows:
1. At the carburetor, disconnect the clevis end of the throttle control cable from the control arm.
Loosen the jam nut that secures the clevis end.
2. Adjust the linkage by rotating the clevis end on the cable to obtain 0.010 to 0.030 of an inch
spring back on instrument panel stop when in full throttle position.
3. Reconnect the clevis end to the control arm and safety.
b. The mixture may be adjusted as follows:
1. At the carburetor, disconnect the clevis end of the mixture control cable from the control arm.
Loosen the jam nut that secures the clevis end.
2. Adjust the linkage by rotating the clevis end on the cable to obtain 0.010 to 0.030 of an inch
spring back on the instrument panel stop when in full rich position.
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