FIGURE 2-20
4
16
3
B
A
A1188
5
16
6
3
10
Swing Motor
Boom Hoist, Load Drums,
and Travel Motors
Item Port Description
1 A Main System Pressure
2 B Main System Pressure
3 L1 Case Pressure
4 L2 Case Pressure
5 M1 Gauge Port A
6 M2 Gauge Port B
7 M3 Servo Pressure Gauge Port or
Servo Pressure Supply
8 M4 Servo Pressure Gauge Port or
Servo Pressure Supply
9 M5 Servo Pressure Supply
10 M6 Charge Pressure Gauge Port
11 M7 Control Pressure
12 M8 Control Pressure
13 M9 Servo Pressure Supply
14 X1 External PCP Supply Pressure
15 Minimum Displacement Limiter
16 Charge Pressure Relief valve
17 Pressure Compensator Adjuster
18 Manual Override
19 Control Start Setting
20 Loop Flushing Shuttle Valve
15
17
18
12
13
8
6
10
2
19
7
20
1
5
9
11
14