Bleeding The Hydrostatic Steering System - Zetor 8621 Forterra turbo Operator's Manual

BLEEDING THE HYDROSTATIC STEERING SYSTEM

- Start the engine and let it run for 1 minute at low idle.
- Turn the steering wheel several times to both directions (A) at engine low idle run.
- At engine max. speed turn the steering wheel three times alternatively slowly and
quickly to both directions up to wheel stops (A).
- Stop the engine and lower the front wheels to the ground.
- At 2WD tractors loosen the bleeding plug located in the upper cover of steering
cylinder (this is necessary for filling the circuit of hydrostatic steering by fresh oil)
and after draining oil tighten the plug. The plug is accessible after sliding out the
battery and battery support (B).
MAINTENANCE INSTRUCTIONS
174
F 250
At all actions within bleeding look
at the oil level in tank to avoid
aerating of steering system.
After bleeding check and eventually add
the oil into tank up to the mark of oil
dipstick (C). Check for leakage of all
connections and lines.
F 251