8-2. DESCRIPTION. The PA-28R-201T is powered by a Teledyne Continental TSIO-360-F turbocharg e d ,
overhead valve, air cooled, horizontally opposed, direct drive, wet sump engine rated at 200 hp from sea level
to 12,000 feet density altitude.
The engine is enclosed by a cowling consisting of an upper, lower and nose section.
The propeller is a Hartzell constant speed, controlled by a governor mounted on the engine supplying oil
through the propeller shaft at various pressures. Oil pressure from the governor moves the blades into high
pitch (low RPM). The centrifugal twisting moment of the blade also tends to move the blades into low pitch.
Refer to Section IX for description of fuel system and primer operation.
8-3. TROUBLESHOOTING. Troubles peculiar to the power plant are listed in Table VIII-III, along with the
probable causes and suggested remedies. When troubleshooting engine, propeller or fuel system, always
ground the magneto primary circuit before performing any checks.
8-4. ENGINE COWLING.
8-5. REMOVAL OF ENGINE COWLING. (Refer to Figure 8-1.)
a. Release the fasteners securing the upper cowl and then remove the upper cowl.
b. Disconnect fuel drain flex line from the drain valve assembly.
c. Disconnect the nose gear door rods.
d. Support the bottom cowl and remove the screws that attach the cowl to the upper nose cowl, engine
mount and fuselage.
8-6. CLEANING, INSPECTION AND REPAIR OF ENGINE COWLING.
a. The cowl should be cleaned with a suitable solvent and then wiped with a clean cloth.
b. Inspect the cowling for dents, cracks, loose rivets, damaged or missing fasteners and damaged
fiberglass areas.
c. Repair all defects to prevent further damage. Fiberglass repair procedures may be accomplished
according to Fiberglass Repairs, Section IV.
Revised: 8/31/77
2A12
CHEROKEE ARROW III SERVICE MANUAL
POWER PLANT - CONTINENTAL
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