5-20 Problem Cause Remedy H e av y k i ck - b a ck i n steering wheel in both directions. Wrong setting of cardan shaft and gear- wheel set. Correct setting as shown in this manual. ur ning the steer ing wheel activates the steered wheels opposite. Hydraulic hoses for the steering cylin- ders have been switched around. Connect lines to correct ports. Hard point when starting to tur n the steering wheel Spring force in priority valve too weak. Oil is too thick (cold). Replace spring by a stronger. Let motor run until oil is warm. Too little steering force (possibly to one side only). Pump pressure too low. Too little steering cylinder.
Piston rod area of the differential cylin- der too large compared with piston diameter. Correct pump pressure. Fit a larger cylinder. Fit cylinder with thinner piston rod or 2 differential cylinders. Leakage at either input shaft, end cover, gear- wheel set, housing or top part. Shaft defective. Screws loose. Washers or O-rings defective. Replace shaft seal. Tighten screws. Replace.