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Case CX180C Crawler Excavator Service Manual
$37.00
What’s Included
| Service Manual | 3,017 Pages; 2,995 Pages |
|---|
Technical Details
| Brand | Case |
|---|---|
| Model Covered | CX180C |
| Machine Type | Excavator |
| Documentation | Service Manual |
| Publication Numbers | 48139070 (April 2017) and 48044245 |
| Publication Year | 2017 |
| Language | English |
| Format |
Table of Contents
- Content
- Introduction
- Engine
- Hydraulics System
- Frames and Ballasting
- Tracks and Track Suspension
- Cab Climate Control
- Electrical System
- Booms, dippers and buckets
- Platform, cab, bodywork and decals
- Special Tools Index
- Hydraulic Schematics
- Electrical Schematics
Manual Extract: Boom regeneration
When the boom plunger is operated to the lower side, the plunger moves to the left, and the oil from the pump opens the load check valve and is fed to the cylinder rod side from the feed path.
The bottom side return oil opens the load holding valve poppet and flows through the back pressure check valve and into the tank path, but the pressure is boosted by the back pressure check valve. Part of it opens check valve A and is regenerated on the rod side and part of it opens check valve B and flows through the inside of the plunger and into the foot relief valve through the center bypass path to lower the pump flow.
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