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SECTION 4
NORMAL PROCEDURES
PIPER AIRCRAFT CORPORATION
PA-31T2, CHEYENNE II XL
Pull the power lever aft to IDLE and the propeller control to
FEATHER. Turn OFF the generator for the engine to be shut down first
and pull its condition lever to STOP. Turn off the fuel pump, after Ng is zero.
"
Move the gear selector handle to the DOWN position to check the
hydraulic pump of the operating engine. The gear selector handle should
return to the neutral position.
The above shutdown procedure should be followed for the second
engine. After the engine has been shut down turn OFF the fuel pump, after
Ng is zero, and turn off the battery master switch.
While the aircraft is unattended, ensure that the ground covers are
installed to prevent propeller windmilling with zero oil pressure and cover
the intake and exhaust openings.
WARNING
If there is evidence of fire within the engine after
shutdown, proceed immediately with the
"Engine Clearing Procedure" (Paragraph
4.13).
4.39 CABIN PRESSURIZATION SYSTEM
Cabin pressurization system controls, gauges and switches are mounted
on the Cabin Pressurization Console. The console is located on the lower left
corner of the instrument panel. (Refer to Section 7, Figure 7-35.)
The emergency gear extender cover, which may be used to dump cabin
pressure, is located on the floor between the pilot and copilot seats.
The cabin pressurization system controls, gauges and switches are as
follows:
(a) Cabin Altitude Controller
(b) Rate of Change Control
(c) Cabin Pressure Altitude/ Differential Pressure Gauge
(d) Cabin Rate of Climb Gauge
(e) Test/Dump Switch
REPORT: 2272
4-36
ISSUED: APRIL 22, 1981
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