4. Condition (Start Control) Lever Rigging
NOTE: Condition lever and start control are the same. Low idle is same as ground idle.
(a)
Refer to Figure 506. Check that fuel condition cable rod end bearing is disconnected from condition lever arm extension.
(b)
Referto Figure 507. Set cockpit condition lever to locate roller in low idle detent.
(c)
Refer to Figure 506. Position fuel control unit condition lever arm in low idle position.
(d)
Inserta 0.187 inch bolt rigging pin through elongated hole in condition lever arm into rigging hole in fuel control unit.
(e)
Adjust condition lever cable rod end bearing to align with hole in condition lever arm extension.
(f)
Attach rod end bearing to arm extension with bolt and nut.
(g)
Tighten rod end bearing jam nut to 35-50 inch-pounds.
(h)
Removeriggingpin.
(i)
Position condition lever arm in high idle position. Check that lever arm is contacting high idle stop.
(j)
Referto Figure 507. Check that cockpit condition lever has 0.06 to 0.10 inch spring back in high idle. Adjust stop as required.
(k)
Place condition lever in low idle detent.
(I)
Movecockpit condition lever to high idle and back to low idle position. Check that condition lever roller is in low idle detent.
(m)Movecockpit condition lever to cutoff position and forward to low idle. Check that condition lever roller is in low idle detent.
EFFECTIVITY: 040-999
16 76-10-00
PAGE
Jan 10/90 76-10-00
PIPER AIRCRAFT
PA-42-720 (Advanced Trainer)
MAINTENANCE MANUAL
B. Engine Control Adjustments Prior To First Run (continued)
5. Propeller Control Rigging
NOTE: Make following adjustments before first engine run. Final propeller control adjustments to be made with engine running.
NOTE: Installation hole in governor arm may require 100 ° countersinking to accommodate an MS24694-54 bolt.
(a)
Refer to Figure 508. Attach arm extension to propeller governor arm with bolt, washer, and nut.
(b)
Placecockpit propeller control lever in feather position.
(c)
With governor arm against feather stop, adjust rod end bearing to align with hole in arm extension.
(d)
Using bolt, spacer, two washers, and nut, attach rod end to arm extension.
(e)
Tighten rod end bearing jam nut to a torque of 35-40 inch-pounds.
(f)
Move both cockpit propeller levers forward until contacting low pitch stops. Check for 0.060 inch lever springback. Adjust lever stops as required.
(g)
Check that both cockpit propeller control levers are aligned when contacting low pitch stop. Adjust cable rod end bearing as required.
Reverse Power
Support Bracket Control Cable (Beta)Stop Threaded End of
Threaded ControlPivot
Threaded Control
Cable Cable Jam
Housing JamJam Nut
Nut Rod End
Bearing
Power (Throttle) Jam Safety
Cable Housing Nuts Washer
Swivel-Ball JointConnector Rigging Pin
Power Lever (Throttle) Cable Installation Figure 406
EFFECTIVITY:
040-999
76-10-00PAGE
76-10-OO Jan10/9017
PIPER AIRCRAFT
PA-42-720 (Advanced Tralner)
MAINTENANCE MANUAL
B. Engine Control Adjustments Prior To First Run (continued)
Stop
Air Bleed Link (Reset) Arm
Rod End Bearing-
InterconnectingRod Inner Part
InterconnectingRod
Outer Part
EnginePropellerGovernor-Right Side View Figure 505
Rod EndBearing
Condition Lever Cable
ConditionLever Arm
DONOT Type II: Low Idle Adjustment Type III:Low Idle Stop
DO NOT ADJUST-WireRope(Cable)
WireRopeFront EndClevis
PropellerReversing Arm
Pulley
Beta Stop
Beta Control
Clevis
BetaValve Clevis Slot Face
WoodwardFuel Control Unit-Left Side View
Figure 506
EFFECTIVITY:
040-999
Jan10/9076-10-00 Jan 10/90
PIPER AIRCRAFT
PA-42-720 (Advanced Trainer)
MAINTENANCE MANUA
B. EngineControl Adjustments PriorTo First Run (continued)
-Condition Lever Roller
Idle Detent Guide - 中国航空网 www.aero.cn 航空翻译 www.aviation.cn 本文链接地址：夏延飞机维护手册 Cheyenne IIIA PA-42-720 AMM 2(150)
