Zetor 3321 SUPER, Operator'S Manual

Page: 143 / 233

142
MAINTENANCE INSTRUCTIONS
A 165 A 166
AFTER DRAINING OIL
- Change the oil cleaner cartridge (1)
- Assemble all draining plugs after their
cleaning. Check the status of sealing
rings, eventually exchange them for
new ones.
- Fill 60 litters of oil, start the engine and
let it run approximately for 2 minutes.
- Add the oil up to the maximum level
(see the tab. for liquid quantity) after
stopping engine and stabilizing oil
level. Check for the right quantity by
the oil dipstick depending upon tractor
operating conditions (see the next
text).
- You can inspect the oil level by the
inspection opening in the right part of
transmission.
FRONT DRIVING AXLE
Front driving axle is equipped with cent-
ral drive with swinging axle in bevel gear
axes. Hydrostatic steering cylinder is
fitted on axle beam. The axle is
equipped with automatic differential lock.
Front wheel drive is engaged and
disengaged Electro-pneumatically.
Front wheel drive engage is indicated by
indicator lamp on dashboard.
Front driving axle is engaged
when tractor and engine stopped.
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