TM 55-1520-240-T
7 - 1 . 1 9 P I V O T I N G O R S W I V E L I N G S E R V O C Y L I N D E R
J A M S E N S O R B U T T O N E X T E N D E D
FAULT ISOLATION PROCEDURE
INITIAL SETUP
Applicable Configurations:
A ll
Tools:
Electrical Repairer’s Tool Kit
NSN 5180 - 00 - 323 - 4915
Aircraft Mechanic’s Tool Kit
N S N 5 1 8 0 - 0 0 - 3 2 3 - 4 6 92
Materials:
None
Personnel Required:
67U10 Medium Helicopter Repairer
68F20 Aircraft Electrician
References:
T M 5 5 - 1 5 2 0 - 2 4 0 - 2 3
Equipment Condition:
T M 5 5 - 1 5 2 0 - 2 4 0 - 23
Battery Connected
Electrical Power On
Hydraulic Power On
RESET JAM SENSOR
BuTTON BY PRESSING IT
APPLY HYDRAULIC
TO BOTH FLIGHT CONTROL
HYDRAULIC SYSTEMS
(: CY(’LE COCKPIT
CONTROLS CHECK JAM
SENSOR IS IT EXTENDED)
REMOVE HYD POWER RE.
PLACE JAM SENSOR APPLY
HYD POWER CYCLE COCKPIT
CONTROLS CHECK JAM
SENSOR IS IT EXTENDED?
REPLACE SERVO
CYLINDER WITH
EXTENDED JAM
SENSOR BUTTON
7-1.19
END OF TASK
7-60
