STEERING EXTREMELY LIGHT IN ONE OR BOTH DIRECTIONS
CAUSE REMEDY
Bent or damaged reversing springs Check for impact or accident damage.
Replace damaged parts
EXCESSIVE BACKLASH
CAUSE REMEDY
Worn universal joint Replace universal joint
Worn pins and keys in universal joint to
actuating shaft and universal joint to steering
shaft
Replace pins and keys
Low oil volume Check flow divider and pump drive belts
Pitman arm ball worn “egg-shaped” Replace pitman arm assembly where riveted
ball is used or only where bolted ball is used
(vertical socket)
Improperly adjusted drag link, pitman arm to
drag link and steering arm to drag link
Adjust drag link, drag link to pitman arm and
drag link to steering arm
Loose bracket frame to bracket or bracket to
gear
Remove bracket. Clean frame and bracket.
Check radius of frame making sure bracket
is not bearing on radius surface. Check
bracket for wear from working. Replace
bracket and tighten to recommended torque
rating according to size and grade of bolts. If
necessary, replace bracket with new one
Rack on piston damaged Replace parts as required
Damaged pinion gear on output shaft Replace pinion gear
Damaged output shaft splines Replace output shaft
Worn output shaft bushings Replace bushings and polish shaft to
remove bronze deposits
Worn pitman arm splines Replace worn parts
Worn actuating shaft and valve threads Replace worn parts as required. Follow
“Hydraulic Supply Diagnosis” procedures to
locate cause of wear
Damaged reversing springs Check and repair as required
Universal joint yoke loose on actuating shaft Repair or replace damaged parts, check for
spline wear
T300-1_T500-1_T780
Troubleshooting
394 P/N 12261-683
REVISED: January 2015
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