Pump Components; Pump Identification - Manitowoc 999 Service And Maintenance Manual

HYDRAULIC SYSTEM

Pump Identification

Item Description
0 Front Load Drum
1 Rear Load Drum or Luffing Hoist
2 Boom Hoist
3 Swing
4 Right Crawler
5 Left Crawler
10 Auxiliary Load Drum

Pump Components

Item Description
EDC (Electronic Displacement
1
Control)
2 Manual Override Control
3 Case Drain Port (Note 1)
4 Charge Pressure Relief Valve
5 Filter Adapter (Note 2)
6 Multi-Function Valve (Note 3)
7 Charge Pressure Gauge Port
8 Charge Pump Inlet Port
9 Pump Port B
10 Pump Port B Gauge Port
11 Pump Port A
12 Pump Port A Gauge Port
13 Neutral Adjusting Screw
NOTE 1 Both Sides of Pump
NOTE 2 Auxiliary Drum Pump Only
NOTE 3 Valve is Directly Opposite Port it
Protects.
2-20
2
Supercharge
Pump
5
A817
3
2
1
From Filter
To Filter
Published 05-16-17, Control # 233-03
999 SERVICE/MAINTENANCE MANUAL
0
4
1
13
9
4
10
4
6
5
5
4
1
A1187
10
3
11
12
8
7
6
or
7 6
FIGURE 2-14