777 SERVICE MANUAL HYDRAULIC SYSTEM
Manitowoc Published 10-01-2012, Control # 045-08 2-19
2
Item Description
1 EDC (Electronic Displacement Control)
2 Manual Override Control
3 Displacement Adjusting Screw (Note 1)
4 Case Drain Port (Note 2)
5 Charge Pressure Relief Valve
6 Filter Adapter (Note 3)
7 Multi-Function Valve (Note 4)
8 Charge Pressure Gauge Port
9 Charge Pump Inlet Port
10 Pump Port B
11 Pump Port B Gauge Port
12 Pump Port A
13 Pump Port A Gauge Port
14 Neutral Adjusting Screw
NOTE 1: Travel Pumps Only
NOTE 2: Both Sides of Pump
NOTE 3: Load Drum Pumps Only
NOTE 4: Valve is Opposite Port it Protects
3
5
7
13
12
9
11
5
10
3
14
Pump Components
4
78
7
OR
1
6
3
6
To F il t e r
From Filter
3
1
5
3
8
3
A1032
2
FIGURE 2-17