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Complete workshop & service manual with electrical wiring diagrams for Case 621D Wheel Loader. It’s the same service manual used by dealers that guaranteed to be fully functional and intact without any missing page.
This Case 621D Wheeled Loader service & repair manual (including maintenance, overhaul, disassembling & assembling, adjustment, tune-up, operation, inspecting, diagnostic & troubleshooting…) is divided into different sections. Each section covers a specific component or system with detailed illustrations. A table of contents is placed at the beginning of each section. Pages are easily found by category, and each page is expandable for great detail. The printer-ready PDF documents work like a charm on all kinds of devices.
EXCERPT:
STEERING CONTROL VALVE
Removal
1. Remove the left, right, and front cab skirts, located under the cab or canopy.
2. Remove all dirt and grease from the steering control valve (5) and the area around the steering control valve (5), refer to the illustration on page 5.
3. Remove the fill cap for the hydraulic reservoir.
4. Fasten identification tags to the hoses at the steering control valve (5).
5. Disconnect the hoses from the fittings in the steering control valve (5).
6. Cap or plug the fittings and hoses.
7. Turn the steering wheel as required for access to the cap screw (1) that holds the steering column shaft (6) of the steering control valve (5) in the coupling (2).
8. Remove the cap screw (1) that holds the steering column shaft (6) of the steering control valve (5) in the coupling (2).
9. Hold the steering control valve (5) in position and remove the bolts (7), washers (3), and steering isolator mounts (4) that fasten the base plate (11) and steering control valve (5) to the bottom of the pedestal (12).
10. Remove the steering control valve (5) and base plate (11) from the machine.
11. Remove the bolts (9) and lock washers (1 0) that fasten the base plate (11) to the steering control
valve (5).
12. Remove the base plate (11) and seals (8) from the steering control valve (5).
…