Checking Amount Of Oil In Hydrostatic Steering Tank; Replacing Oil And Hydrostatic Steering Filter Element - Zetor Proxima CL 80 Operator's Manual

Checking amount of oil in hydrostatic steering tank

Inspect daily before starting the operation with tractor
standing horizontally. Lift off the bonnet. Unscrew dipstick,
wipe off with a cloth and screw back in. After repeated
unscrewing of the gauge, the level must not drop below
bottom gauge line. Replenish the oil when necessary after
demounting the cap of the tank.

Replacing oil and hydrostatic steering filter element

1. place a suitable vessel under the hydrostatic
steering tank
2. unscrew drain screw at the bottom of the tank
3. drain the oil
4. unscrew the nut of tank cap
5. demount the cap of hydrostatic steering tank
6. remove and replace filter element
7. set the lid of the tank back in
8. lock its position with a nut
9. screw drain screw back in
10. disconnect both hoses from working roller and
waste pipeline from the tank (place vessels for used oil
under working roller hoses and waste pipeline)
11. start the engine and with idle run (max. 10 seconds)
turn the steering wheel 2-3 times to both sides so that you
pushed oil from control unit and pipeline
12. secure the tractor against movement and lift front drive
axle
13. place a vessel for oil under the working roller
and by turning the wheels (manually) push the oil from
working roller
14. do the back assembly of all disconnected joints
15. fill the tank with oil and vent hydrostatic steering circuit
168
MAINTENANCE INSTRUCTIONS
PGPPN145
PGPPN146
E721