Manitowoc Grove GRT9165, Service Manual

Page: 87 / 302

2-45
GROVE
GRT9165 SERVICE MANUAL HYDRAULIC SYSTEM
2
Published 10-01-2020 Control # 699-00
Dual Accumulator Charger Manifold Valve
The dual accumulator charge manifold valve (Figure 2-18) is
located on the inside of the left superstructure side plate
(Figure 2-13). The valve provides pressure regulation to the
service brake circuit.
Removal
1. Tag and disconnect the hydraulic hoses from the valve.
Cap or plug the lines and ports.
2. Remove the three bolts, washers, and lockwashers
securing the valve to the turntable. Remove the valve.
Installation
1. Position the valve on the superstructure with ports A1,
A2, and B3 facing up and secure with three bolts,
washers, and lockwashers. Torque bolts.
2. Connect the hydraulic hoses to the valve ports as tagged
during removal.
3. Start the engine and check for leaks. Make repairs as
needed.
4. Depress the brake pedal several times to cause the
brake valve to charge. Make several turns with the
steering wheel, and swing the superstructure left and
right. Verify the brakes, swing, and front steering work
properly.
FIGURE 2-17 continued
Swing Directional Control Manifold Valve
11
12
13
5
6
17
18
21 16
1 7
15
2
3
4 8
22
23
14
19
20
10
9
25
24
10123