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

Categories: ,

Description

Table of Content (Service Manual)

  1. General Information
  2. Engine
  3. Fuel System
  4. Electrical systems
  5. Undercarriage
  6. Drive Train
  7. Upper structure Hydraulics
  8. Upper structure
  9. Hydraulic Schematics
  10. 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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