Case CX350D, CX370D Excavator Service Manual

Table of Content (Service Manual)

1. Content
2. Introduction
3. Engine
4. Hydraulics System
5. Frames and Ballasting
6. Tracks and Track Suspension
7. Cab Climate Control
8. Electrical System
9. Booms, dippers and buckets
10. Dozer Blade and Arm
11. Platform, cab, bodywork and decals
12. Special Tools Index
13. Hydraulic Schematics
14. Electrical Schematics

Manual Extract: Arm cylinder holding valve – Remove

1. Use a wrench [ 22 mm] to remove the lines (1) (2).
• Mark the HBCV and line locations so that the connectors match at the time of installation.
• Use caps or plugs to cover the lines and HBCV to prevent any entry of water, dust or dirt.
• Clean the lines and HBCV by spraying them with a parts cleaner to prevent scratches and prevent dirt from accumulating on the connectors.

2. Use a hexagon wrench [ 10 mm] to remove the 4 hexagon socket head bolts (1), and then remove the line (2) and O-ring (3).
• Use caps or plugs to cover the HBCV and line to prevent any entry of water, dust or dirt.
• Clean the HBCV and line by spraying them with a parts cleaner to prevent scratches and prevent dirt from accumulating on the connectors.

3. Use a hexagon wrench [ 10 mm] to remove the 4 hexagon socket head bolts (1), and then remove the arm HBCV (2) and O-ring (3).