HYDRAULIC SYSTEM MLC650 SERVICE/MAINTENANCE MANUAL
2-6
Published 09-09-16, Control # 229-09
HYDRAULIC MOTOR IDENTIFICATION
Variable Displacement Motors
Drum 1, 2, and 4 Motors
Drum one, two, and four motors (Figure 2-7) are bidirectional
variable-displacement motors. Motor displacement is
controlled by an electronic motor controller. Electronic
control of drum motors one and two is provided by the
CCMCII control module. Electronic control of the drum 4
motor is provided by the IOLC34 control module.
Drum 3 and 6 Motors
Drum three and six motors (Figure 2-8) are bidirectional
variable-displacement motors. Motor displacement is
controlled by an electronic motor controller. Electronic
control of drum motors three and six is provided by the
following control modules:
• IOLC30—Drum Three
• CCMCII—Drum Six
FIGURE 2-7
Item Description
A, B System Pressure Lines
C1 Solenoid
L1, L2 Drain Ports
MA, MB Gauge Ports—System Pressure
M4, M5 Gauge Ports—Servo Pressure
N Speed Sensor
FIGURE 2-8
Item Description
A, B System Pressure Lines
C1 Solenoid
L1, L2 Drain Ports
MA, MB Gauge Ports—System Pressure
M4, M5 Gauge Ports—Servo Pressure
N Speed Sensor
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