TM 5-2420-230-24-1
Symptom
Possible cause
Remedy
Steering gear mounting
Shim mounting pads to
distorted
correct piston to bore in-
terference. Make sure cor-
rect bolt length is used on
the base mount gears.
Linkage ball sockets seized
Check and repair or replace
or binding
King pins seized or binding
Repair or replace
Oil flow rate incorrect
Check and correct supply
pump
Oil flow too high
Supply pump not to
Darting, wandering
specifications
(oversteering)
Air trapped in steering gear
Bleed system
Looseness, worn front end
Check and repair as required
parts
Front end alignment not
Align front end caster
correct
Overloading
Reduce loads
Rear axle not parallel
Check & repair as required
Tight tie rod ends & drag
Check rotational torque &
link sockets
replace if necessary
Worn universal joint
Replace universal joint
Excessive backlash/freeplay
Pitman arm ball worn
Replace pitman arm
"egg-shaped" (if equipped)
assembly where riveted ball
is used.
Loose bracket (frame to
Remove bracket, clean
bracket or bracket to gear)
frame and bracket. Check
radius of frame making
sure bracket is not bearing
on radius surface.
Check bracket for wear
from being loose.
Replace bracket and tighten
to recommended torque
rating by size and grade of
bolts.
If necessary, replace
bracket.
Rack on piston damaged
Replace steering gear
Damaged sector
Replace steering gear
shaft/splines
Worn or damaged pitman
Replace pitman arm and/or
arm splines
sector shaft
Universal joint yoke loose
Repair or replace damaged
on actuating shaft
parts.
K-24