Steering System Problems - New Holland T8010 Manual

PROBLEM: Excessive effort required for steering
POSSIBLE CAUSE
A. Excessive load on front axle.
B. Mechanical interference in steering column.
C. Misadjusted steering relief pressure.
D. Steering priority spool is stuck or spring is broken.
E. Bad steering hand pump.
F. Spindle support not greased properly.
PROBLEM: Slow or sluggish steering
POSSIBLE CAUSE
A. Misadjusted steering relief pressure.
B. Steering priority spool is stuck or the spring is broken.
C. Poor hydraulic system performance.
PROBLEM: Excessive steering wheel rotation (slippage) at end of steering cylinder
stroke
POSSIBLE CAUSE
A. Excessive steering hand pump internal leakage.
B. Steering cylinder piston leakage.
C. Steering cylinder side loading.
PROBLEM: Excessive number of wheel turns lock to lock
POSSIBLE CAUSE
A. Bad steering hand pump.
B. Steering cylinder piston leakage.
C. Steering cylinder side loading.
D. Wrong combination of steering hand pump and front axle.
PROBLEM: Steering hand pump rotates on its own (motors)
POSSIBLE CAUSE
A. Internal steering hand pump leakage.
Section 35 - Hydraulic Systems, 3PT - Chapter 2

STEERING SYSTEM PROBLEMS

35-2-29
PROCEDURE
A. Reduce load see Operator's Manual.
B. Inspect and correct, see Steering Column and Hand
Pump Section.
C. Perform Steering Pressure Test and adjustment
procedure in this section.
D. Repair or replace, see Hydraulic System - How It Works
and Troubleshooting Section.
E. Repair or replace, see Steering Column and Hand Pump
Section.
F. Grease fittings and retest. See Operator's Manual.
PROCEDURE
A. Perform Steering Pressure Test and Adjustment
procedure in this section.
B. Repair or replace as necessary.
C. Perform General Hydraulic System Testing this section.
PROCEDURE
A. Cap left and right steering cylinder supply lines and
retest. If the rotation stays the same, the problem is in the
steering hand pump. Repair or replace. See Section
5001.
B. Repair or replace as necessary.
C. Repair or replace as necessary.
PROCEDURE
A. Cap left and right steering cylinder supply lines and
retest. If the rotation stays the same, the problem is in the
steering hand pump. Repair or replace as necessary.
B. Repair or replace as necessary.
C. Repair or replace as necessary.
D. Determine if correct parts were installed.
PROCEDURE
A. Repair or replace as necessary.