CSP
−
902RFM207E
−
1
ROTORCRAFT FLIGHT MANUAL
MD900 (902 Configuration with PW 207E)
Handling Servicing
and Maintenance
Revision 1
8
−
44
Reissue 2
DRY ENGINE MOTORING RUN
NOTE
:
This procedure is used to clear internally trapped fuel and vapor from the engine.
This procedure maybe used if there is evidence of a fire within the engine or lack
of EGT indication after lightoff at the beginning of an engine start.
Twist grip
OFF
Engine control switch for selected engine
SET TO IDLE
−
OBSERVE STARTER TIME LIMITS
Engine control switch for selected engine
OFF
EEC RESET button
PRESS
Twistgrip
PLACE IN NORMAL DETENT
EEC MAN or flashing indication
CHECK OFF
ENGINE WASH PROCEDURES
Engine Water Wash - Desalination
Open main transmission access door (Ref. Figure 8-6 and Figure 8-7).
NOTE
:
If cleaning agent is to be used, prepare solution and compressor wash system
in accordance with related manufacturers’ publications (Ref. RMM, Section
01
−
00
−
00)
Use of correct mixture as specified in the PWC Maintenance manual
is very important, not only when the temperature is below freezing
at the time of washing, but also if the temperature is expected to
be below 2
°
C (36
°
F) between time of washing and the next start.
Connect cleaning solution or water source to engine wash panel using AN
type fittings.
NOTE
:
To prevent precipitation of deposits through the use of hard water, engine must
be allowed to cool to below 65
°
C (150
°
F). Minimum cooling period of 40 minutes
must be allowed since the engine was last operated.
Ensure inlet particle separator and heat / defog shutoff valves are
turned off.
Do not motor engine for more than 30 seconds.
NOTE
:
Ensure cleaning solution or water source pressure of
60
−
82 PSI
.
Perform dry engine motoring run; when N
G
reaches 5%, inject water solution
into air inlet case.
Close tank valve as soon as N
G
falls to 5%.
CAUTION
CAUTION
Summary of Contents for MD900 Explorer
Page 4: ......
