Case CX350B, CX370B Crawler Excavator Service Manual
$35.00
Manual Included:
• Service Manual: 1484 pages
Specifications:
• Brand: New Holland
• Model: CX350B, CX370B
• Type: Excavator
• Manuals: Service Manual
• Publication Numbers: 47945155
• Language: English
• Format: PDF
- Description
- Reviews (0)
Description
Table of Content (Service Manual)
- General Information
- Engine
- Fuel System
- Electrical systems
- Undercarriage
- Drive Train
- Upper structure Hydraulics
- Upper structure
- Hydraulic Schematics
- Electrical Schematics
Manual Extract: Pressure Boost Control
1) During upper operation (upper pressure sensor = ON), the next time the high-load conditions are met, the boost solenoid valve on the 5 stack solenoid valve comes ON, and the main relief valve pressure rises from 34.3 MPa (343 bar / 4975 psi) to 36.8 MPa (369 bar / 5337 psi).
Conditions:
When the engine load ratio rises and the P1 or P2 pump pressure is boosted.
2) Auto power boost (ended by time restriction)
When the work mode is SP or H, the boost continues a maximum of 8 seconds, then is automatically ended (boost solenoid = OFF). When the work mode is A, this time restriction is eliminated and the pressure boost is always available.
3) Auto power boost (ended by operation stop)
Even before the time limit for auto power boost, if the upper pressure sensor goes OFF, the boost is ended.
4) Boost prohibition
During travel (travel pressure sensor = ON) or the breaker is in use
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