TYM T233 HST, Service Manual

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Problems and probable causes Counter measures
3. Free play of steering wheel
1)Too low elastic of centering spring
( Remove P port pipe line and check left and
right turning)
(1)Damaged spring or poor elastic
-Replace spring
2) Depressed control set
(1) Excessive fluid and pressure
(2) Depressed by foreign material
(3) Depressed from external when assemble
with column
-Adjust fluid level and pressure properly
-Wash
-Check column and adjust
4. Steering wheel resistance with turning
(1)Worn of spline gear column
(2)Depressed control set
(3)Air trapped in cylinder and pipe line
(4)Excessive backlash column
(5)Poor turning of column,or wear of bearing .
-Replace column
-Wash,and Adjust fluid level and pressure
properly
-Deflate the air
-Adjust column
-Replace column and replenish oil
5.Too much free play of steering wheel(Rough touching on tire causes vibration)
(1)Air trapped in steering cylinder and pipe line.
(2)Worn ball bearing
-Deflate the air
-Replace
6.Free play steering wheel
(1)Insufficient oil in the tank
(2)Worn,damage steering cylinder
(3)Loose spacer in unit
-Replenish oil
-Replace oil seal and cylinder
-assemble spacer parts.
7.Kick-back of steering wheel
(1)Loose check valve in "P" port or don't
operate
(2) Trouble in system
-Adjust check valve
-consult workshop
8-13