Hisun HS500 Owner's Manual page 185

9-17 Electric power steering system
Steering tie rod ball head is whether to
wear down。
Swizzle ball of knuckle wear out or not
Gear rack on steering wheel wear out or
not
Spline on steering drive shaft is loosen
or not
Between input
reducer whether had idle running.
The steering system
steering process:
Turn the steering wheel from left to right and
right to left .it required smoothly and no
blocking allowed.
2. Check steering power in static condition
Let UTV stop on the level road, steering
and output shaft's
checking in
wheel is placed in a straight forward position.
Check tire inflation pressure whether
meet specified requirements (see tire
instructions or UTV user manual).
If necessary, refill it.
Check front wheel's front beam, wheel
offset positioning whether is correct (see
UTV user manual).
If necessary, adjust it.
Open the main switch.
Turn the steering wheel left and right
successively, turning force on both sides
should be equal.
Turn the steering wheel to rotate back and
forth; turning shall be smoothly, no block, no
recoil forces which opposite of operation
force.
If any problem found, it must driven to dealer