Piper Comanche PA-24 - 7 A-31. INSTALLATION OF ENGINE

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PIPER COMANCHE SERVICE MANUAL
7 A-31 Installation Of Engine. (PA-24-260. Serial ~os. 24-4000 to 24-4782 incl. and 24-4784 to 24480J
incl.) (Refer to Figure 7 A-8 )
a Attach a
one-half ton (minimum) hoist to the engine lifting strap and lift engine
b
Swing engine into place. positioning the engine mounting lugs so they align with mount
attachment points
c Insert a
mounting bolt into the engine mount until its threaded end extends one or two threads
from the mount itself Insen a shock mount between the engine mounting bracket and the mount. Slide the
mount bolt on through the mount and insert a mount spacer over the bolt and through the engine mounting
bracket.
d Repeat the procedures in step ··c· with the remaining three attaching points
e Install the
front engine shock mounts on the bolts and over the forward end of the mount 'pacer.
check to see that the shock mounts are not binding. Install washers and a nut on each mounting bolt Tighten
the
nuts progressively. following a circular sequence and torque to 40 foot-pounds and safet~
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Attach exhaust stack hangers to nose gear support tubes
Connect bonding scraps to engine and engine mount
Connect spark plug leads and clamp to prevent chafing
Connect throttle and mixture controls and adjust per paragraphs 7A-52 or 7A-61
Connect carburetor heat control. if installed. and adjusted per paragraph 7 A-52
Connect governor control cable to governor and secure with clamps.
Connect electrical leads to the alternator. starter and cylinder head temperature probe. '0 5
Clamp leads to the right cylinder baffles and engine mount
Connect oil pressure and fuel pressure lines
Connect oil cooler lines to engine accessory housing and oil cooler
Connect manifold pressure line. No 6 cylinder.
Connect fuel
pump inlet and outlet lines
Connect fuel
pump drain hose
Connect fuel pump blast tube
Connect exhaust gas temperature probe 1'0 6 cylinder exhaust stack
Connect oil
temperature lead and tachometer dri,'e cable to the engine accessory housing
Connect
magneto .. p" leads and retard lead (left magneto only) to magneto'
Connect cabin heat and defroster air ducts to the left muffler shroud
Connect engine breather
Connect vacuum hose to vacuum pump
Install propeller (Refer to paragraph 7A-20)
NOTE
Refer to latest I.ycoming Service Instruction 1'0 1241
aa Turn fuel selector valve on and operate auxiliary fuel pump Check for fuel leaks
ab In'tall engine cowling (Refer to paragraph 7A-7)
REVISED: 4/10/81
2D3
POWER PLAI"T