Highway Class Paver/Finishers
Drive Train
A-12
DRIVE TRAIN TROUBLESHOOTING (CONTINUED)
MACHINE WILL NOT STEER PROPERLY - TRACK DRIVEN
Problem
Solution
1.
Equal traction lever movement does not produce
Check linkage from levers to traction pumps/Adjust.
straight travel
Check both L.H. & R.H. traction pumps for equal
charge pressure/Adjust.
Check either L.H. or R.H. brake not released/Adjust,
repair or replace.
Check both sides of the trans. shift control valve on the
hydraulic tank for proper function/Replace coil(s)
or repair.
Check both L.H. & R.H. trans. are in same gear/Repair
or replace shift cap.
Check both L.H. & R.H. trans. shift hydraulic circuits for
leaks/Repair.
MACHINE WILL NOT STEER PROPERLY - WHEEL DRIVEN
Problem
Solution
1.
One foot brake not released
Check brake calipers on ends of axle/Repair.
Check master cylinder/Repair.
2.
Steering linkage not greased
Check linkage (below hopper)/Grease.
3.
Steering linkage bent or worn
Check tie rods (below hopper)/Straighten rods,
adjust or replace rod ends.
4.
Faulty steering unit(s)
Try other operator's console/Repair or replace.
5.
Steering hydraulic circuit
Check all hoses, tubes & fittings/Repair or replace.
6.
Faulty steering cylinders
Check for piston leak-by with cylinder fully extended
and retracted and alternate hoses disconnected/
Replace o-ring seals.
7.
Worn king pin bearings
Check for free pivot movements of wheels with
steering cylinders disconnected/Replace
bearings.
8.
Worn wheel spindle bearings
Check for free, smooth rotation of wheels/Replace
bearings.
Содержание PF-200
Страница 77: ...Drive Train Highway Class Paver Finishers A 77 BK 47 2 1 ...
Страница 117: ...Highway Class Paver Finishers Drive Train ...