PROBLEM 3: DRIFT
PROBLEM 3: DRIFT
Vehicle veers slowly in one direction.
CAVITATION DAMAGE
PROBLEM 2: WANDER
Vehicle will not stay in a straight line.
1. Check for Cavitation
2. Air in the system, Leaky Fitting.
A e ra tio n o f H y d ra u lic P u m p
Vehicle veers slowly in one direction.
PROBLEM 3: DRIFT
Vehicle veers slowly in one direction.
PROBLEM 3: DRIFT
PROBLEM 3: DRIFT
PROBLEM 3: DRIFT
PROBLEM 3: DRIFT
A ir
A ir B ubbles
Expand
A ir B ubbles Im plode
Leaky F ittin g
E rosion
PROBLEM 2: WANDER
Vehicle will not stay in a straight line.
1. Check for Cavitation
Eaton Char-Lynn Steering
Troubleshooting
Prepared by Rod Erickson, Eaton Corp. Hydraulics Training Center
STEERING TROUBLESHOOTING
How do you troubleshoot a steering system? - Reference Handout # 7-207
2. Air in the system, Leaky Fitting,.
3. Low reservoir 4. Loose cylinder piston
or bending of linkage
LR TP
Filter
p
PFC Pump
Engine
Reservoir
PROBLEM 3: DRIFT
?
STEERING COMPONENTS
C har-Lynn S teering C ontrol U nit Components
G erotor S et D rive S h aft
C ontrol S pool C ontrol S lee ve
C entering P in
H ousing
PROBLEM 3: DRIFT
PROBLEM 3: DRIFT
PROBLEM 3: DRIFT
PROBLEM 3: DRIFT
PROBLEM 3: DRIFT
PROBLEM 3: DRIFT
PROBLEM 3: DRIFT
PROBLEM 3: DRIFT
PROBLEM 3: DRIFT
Problem 2 - WANDER
Problem 2 - WANDER
Problem 2 - WANDER
Problem 2 - WANDER
Problem 2 - WANDER
Problem 2 - WANDER
Problem 2 - WANDER
Problem 2 - WANDER
PROBLEM 1 -
SLOW STEERING, HARD STEERING OR LOSS OF POWER ASSIST
4. If you have a load sensing line make sure it isn’t kinked or too small. Also check the priority valve
PROBLEM 3: DRIFT
PROBLEM 3: DRIFT
PROBLEM 3: DRIFT
PROBLEM 3: DRIFT
PROBLEM 3: DRIFT
PROBLEM 3: DRIFT
PROBLEM 3: DRIFT
PROBLEM 3: DRIFT
PROBLEM 3: DRIFT
Problem 2 - WANDER
Problem 2 - WANDER
Problem 2 - WANDER
Problem 2 - WANDER
Problem 2 - WANDER
Problem 2 - WANDER
Problem 2 - WANDER
Problem 2 - WANDER
2. Bad relief valve
3. Miss aligned steering unit
LR TP
LS
CF EF
Filter
p
PFC Pump
Engine
Reservoir
1. Look for worn or malfunctioning pump
Problem 2 - WANDER
Vehicle will not stay in a straight line.
1. Check for Cavitation,
Look for a restriction between the inlet and pump
Check for clogged suction strainer or clogged inlet filter
CAVITATION
CAVITATION
Problem 2 - WANDER
Problem 2 - WANDER
Problem 2 - WANDER
Problem 2 - WANDER
Problem 2 - WANDER
Problem 2 - WANDER
Vehicle will not stay in a straight line. What do you look for?
Problem 2 - WANDER

Problem 2 - WANDER
Problem 2 - WANDER
Problem 2 - WANDER
Problem 2 - WANDER
Problem 2 - WANDER
Problem 2 - WANDER
Problem 2 - WANDER