2075
—CAUTION—
GROUND RUNNING WITH THE COWLING
REMOVED: MAXIMUM POWER GROUND
RUNNING IS LIMITED TO TWO (2) MINUTES
OR CYLINDER HEAD TEMPERATURE OF
4 7 5 * F. WHICHEVER IS REACHED FIRST.
AIRCRAFT WITHOUT CYLINDER HEAD
T E M P E R ATURE GAUGE MUST NOT BE
O P E R ATED AT MAXIMUM POWER WITH
COWLING REMOVED. PROLONGED
GROUND RUNNING WITH THE COWLING
REMOVED COULD CAUSE LOCAL HOT
SPOTS
IN
THE
CYLINDERS
AND
IRREVERSIBLE ENGINE DAMAGE
TABLE VIII-I. PROPELLER TORQUE LIMITS
DESCRIPTION
REQUIRED TORQUE
Propeller Mounting Bolts
280-300 in-lbs.
Spinner Backplate Attachment Screws
30-35 in-lbs.
Spinner Attachment Screws
20-25 in-lbs.
Figure 8-2 Propeller and Cowling Installation
PIPER AIRCRAFT
PA-28-161 CADET
AIRPLANE MAINTENANCE MANUAL
Issued: FEBRUARY. 28, 1989
POWER PLANT
1J8