MD Helicopters MD900 with PW206E, Flight Manual

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CSP–900RFM206E–1
Performance Data
ROTORCRAFT FLIGHT MANUAL
MD900 With PW 206E
FAA Approved
Original
5–51
HOW TO PERFORM THE CHECK:
NOTE
: Power checks should be performed under the following conditions.
1. Aircraft should be faced into the wind.
2.Wind speed should not exceed 15 knots nor gust spread 5 exceed knots while
performing the check.
3.Operate engine to be checked at 100% N
P
for five minutes to assure proper
operating temperatures are attained.
4.IPS and CABIN HEAT should be off and the generator load should be 10% or less.
F
The engine to be checked should be at FLY.
F
The other engine should be at IDLE or OFF.
F
IPS and CABIN HEAT should be off and the generator load should be 10% or
less.
F
Select
POWER CHECK
top level menu on IIDS alphanumeric display.
F
Press the
ENT
key 3 times to access the fourth level menu.
LFT ENG TQ XXX.X%
TIME 30 SEC
Notice that the IIDS lists the left engine as the first engine to be checked. If
the the right engine is to be checked first, press the
to access the right
engine menu.
RT ENG TQ XXX.X%
TIME 30 SEC
F
Stabilize engine torque at 3% of the ENG TQ value displayed for 30 seconds.
The IIDS provides a countdown from 30 seconds on the alphanumeric display
during data acquisition. The countdown is started after the torque value is within
the 3% range for more than 2 seconds.
NOTE
: Counter will reset to 15 seconds if torque setting is not maintained within 3% for
the last 15 seconds of count down.
F
After the IIDS calculates the performance margin of the selected engine, the
RECORD DONE
PRESS REC
menu is displayed and advises the pilot to press the
REC
key to generate a trend log (Ref. Section VII) and to display the results of the
power check on the alphanumeric display.
NOTE
: If the power check fails, the IIDS displays a warning on the alphanumeric
display.
F
Lower collective and place engine control switch to IDLE and other engine to
FLY.
F
Press the to access the right engine menu; press the to access the
left engine menu.
F
Repeat check for other engine.
NOTE
: The engine torque value displayed should be approximately the same as the first
engine.