Case 7210, 7220, 7240, 7250 Pro Series Tractor Service Manual

Description

Table of Content (Service Manual)

1. General
2. Engine
3. Fuel System
4. Electrical
5. Steering
6. Power Train
7. Brakes
8. Hydraulics
9. Chassis

Manual Extract: Minimum System Pressure Check

– Connect the signal line tube to the compensator.
– Minimum System Pressure Specification: 400 to 650 PSI (27.6 to 44.8 bar), 400 to 750 PSI (27.6 to 51.7 bar) for tractors equipped with hydraulic trailer brakes.

A. If the pressure on the gauge is within specification, continue with the PFC Pump High Pressure Stand-By Test and Adjustment Procedure.
B. If the pressure on the gauge is above specification, check for the following: • Power beyond valve flow control not fully closed.
• Partially blocked dampening orifice in steering priority valve.
• Remote valve partially engaged.
• Steering hand pump not centered.
C. If the pressure on the gauge is below specification, perform the General Hydraulic System Test to check for the following: • Missing dampening orifice in steering priority valve.

• Blocked dynamic orifice.
• Signal check leakage.