Steering

•Air lock in system.

•Cavitation, air lock in oil lines (leak on suction side or pump shaft oil worn.)

•Hydraulic fluid temperature and conditions

•Oil change intervals observed.

•Specified oil grading.

•Discolouration or flaking of paint coating on tandem pump due to over heating of oil.

•Mechanical damage (wheel bearings, steering knuckles, ball joints, etc.)

Should these investigations bring no result, proceed to inspect the tandem pump, manual steering control unit (manual pump) and/or steering cylinder, refer to general information in respective section and follows trouble shooting chart.

Steering Cylinder dismantling

1.Loosen the allen screws from both sides of the cylinder head.

2.Gently tap by plastic hammer the rod till the cylinder head will come out.

3.Remove cylinder head.

4.Inspect cylinder head rod wiper, rod seal, bearing ring and o’ring for wear or cracks.

5.Remove wear or damaged seals or o’rings and install with new one. If these seals or O'Rings damaged, this will result into external leakages.