Manitowoc Grove GRT9165, Руководство по обслуживанию

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2-39
GROVE
GRT9165 SERVICE MANUAL HYDRAULIC SYSTEM
2
Published 10-01-2020 Control # 699-00
Accessory Manifold Valve
The accessory manifold valve (Figure 2-16) is located on the
superstructure side plate (3, Figure 2-13) and includes
valves for controlling the priority steer, swing brake, and pilot
supply. This manifold valve receives hydraulic oil through
swivel port 3.
Removal
1. Tag and disconnect the electrical connectors to all
valves.
2. Tag and disconnect the hydraulic lines from the
manifold. Cap or plug the lines and ports.
3. Remove the capscrews, lockwashers and flatwashers
securing the manifold. Remove the manifold.
Installation
1. Position the manifold and spacer bushings on turntable
and secure with the capscrews, flatwashers and
lockwashers. Torque capscrews - refer to
Fasteners and
Torque Values , page 1-16 for proper torque value.
2. Connect the hydraulic lines to the manifold as tagged
during removal.
3. Connect the electrical connectors to the manifold as
tagged during removal.
Function Check — Priority Steer
1. Start the engine.
2. Drive the crane at a slow speed and verify the front
steering function works properly.
Function Check — Swing Brake Release Valve
1. Start the engine.
2. Enable all crane functions using the crane function
switch to ON.
3. Swing the turntable to verify the swing brake releases.
Depress the swing brake pedal to stop the turntable.
4. Position the swing enable switch to off and verify the
swing brake applied icon appears on the CCS display.
5. Activate the swing function and ensure the turntable
does not rotate.
6. Check for leaks. Make repairs as needed.
Function Check — Pilot Supply
1. Start the engine.
2. Enable all crane functions using the crane function
switch.
3. Verify the following crane functions operate properly:
a. Turntable swing left and right
4. Check for leaks. Make repairs as needed.