98
35 Series-HST, Model - 3535, 4035, 4535 & 5035
Trouble Shooting
PROBABLE CAUSE POSSIBLE REMEDY
Loose or corroded connections ...................................... Clean and tighten loose connections.
No Lights
Fuse blown ...................................................................... Replace fuse.
Loose wiring or improper connections causing ............. Check wiring to see that all connections are clean
mal-functioning and tight.
Lights burn dim .............................................................. Re-charge battery, tighten cable terminals, check
lamps, clean contacts.
POWER STEERING
Steering wander .............................................................. Check the size of tires. Check tire pressure.
Check for loose or worn steering linkage parts.
Check wheel bearings for wear.
Check front wheel alignment.
No recovery for open cylinder unit ................................ Check tire pressure.
Check for tightness of front axle kingpins.
Check for alignment of steering column.
Shimmy ........................................................................... Check for proper mounting of tires.
Check steering linkages for looseners, improper
adjustment, wear and rectify accordingly.
Check for air in hydraulic system and bleed.
High steering effort in one direction ............................. Check if the vehicle is overloaded.
Check for correct hydraulic system pressure.
Check if the flow plate valve is stuck due to excessive
heat in the system.
Check for correct size tires.
Check for vehicle overloading.
Check the hydraulic fluid level.
Check for correct flow pressure of the pump.
Check if the steering linkages are binding.
Check for restriction in fluid return line.
Lost motion (Lash) at the steering wheel ...................... Check for firmness of steering wheel on column.
Check for components of the steering linkages.
Check for tightness of flow unit at mounting.
Check for air in the hydraulic system & bleed it.
Excessive heat (200ºF Maximum) ................................... Check for correct size of hose.
Check for the centering of control unit.
Check for excessive fluid flow.
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