TM 5-3805-281-24-1
Theory of Operation
PILOT CIRCUIT FOR CONTROLLERS SCHEMATIC
SWING LEFT
BUCKET
5
3
SWING RIGHT
CURL
6
BUCKET CURL
7
BUCKET DUMP
8
FLOW
DUMP
REGULATOR
1
BOOM UP
1
4
UP
T
BOOM UP
PRESSURE
SWITCH
P
DOWN
BOOM
2
RIGHT PILOT
BOOM DOWN
CONTROLLER
2
SWING
3
LEFT
ARM OUT
3
3A
RIGHT
1
9025
05
ARM IN
4
103
PRESSURE
IN
SENSOR
T
ARM IN
4
P
OUT
ARM
2
PROPEL RIGHT REVERSE
LEFT PILOT
12
PROPEL RIGHT FORWARD
CONTROLLER
11
PROPEL LEFT REVERSE
10
PROPEL LEFT FORWARD
9
3
RIGHT
T6
REVERSE
T4
T5
RIGHT
FORWARD
4
P3
2
PILOT
P1
LEFT
SHUT-OFF
REVERSE
T
VALVE
P2
P
LEFT
FORWARD
1
PILOT CONTROLLERS SCHEMATIC
T114639
PROPEL PILOT CONTROLLER
Continued on next page
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