TM 9-2350-277-20-2
PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS), INCLUDING
LUBRICATION INSTRUCTIONS Continued
0155 00
ITEM
NO.
INTERVAL
MAN-
HOUR
ITEM TO BE
CHECKED OR
SERVICED
CREWMEMBER
PROCEDURE
EQUIPMENT
NOT READY/
AVAILABLE
IF:
NOTE
Extremely high ambient temperature and
high altitude will reduce stall speed.
d. If the carrier is equipped with an X200-4
transmission, tachometer readings above 2450
means transmission problems and readings
below 2350 means engine problems.
Troubleshoot suspect systems (WP 0024 00), or
check for wrong tachometer adapter. If fault
cannot be found, notify direct support
maintenance.
Reading above
2450 rpm or
below 2350
rpm.
e. If the carrier is equipped with an X200-4A
transmission, tachometer readings above 2300
means transmission problems and readings
below 1900 means engine problems.
Troubleshoot suspect systems (WP 0024 00), or
check for wrong tachometer adapter. If fault
cannot be found, notify direct support.
Reading above
2200 rpm or
below 1900
rpm.
0155 00-38
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