Trouble Shooting PROBABLE CAUSE
POSSIBLE REMEDY
Loose or corroded connections ......................................
Clean and tighten loose connections.
No Lights Fuse blown ...................................................................... Loose wiring or improper connections causing ............. mal-functioning Lights burn dim ..............................................................
Replace fuse. Check wiring to see that all connections are clean and tight. Re-charge battery, tighten cable terminals, check lamps, clean contacts.
POWER STEERING Steering wander ..............................................................
No recovery for open cylinder unit ................................
Shimmy ...........................................................................
High steering effort in one direction .............................
Lost motion (Lash) at the steering wheel ......................
Excessive heat (200ºF Maximum) ...................................
100
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. Check tire pressure. Check for tightness of front axle kingpins. Check for alignment of steering column. 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. 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. 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. Check for correct size of hose. Check for the centering of control unit. Check for excessive fluid flow.
3600 Series PST, TIER-4 Models - 3640 & 3650
