ADJUSTMENT
ENGINE CLUTCH ADJUSTMENT
All three travel clutch levers must be in
one line, and are in touch with control
collar thrust bearing. In case the play of
one or two levers is bigger than 0,15
mm from bearing, so adjust levers by
nuts to be in touch with bearing. The
complete clutch wear is indicated by
clutch slippage. Adjust the clutch to the
following values at disassembled tractor
when exchanging clutch plate. Set travel
clutch levers by nuts 25 mm from the
recess on clutch cover. The difference in
levers setting can be maximally 0,15
mm. Press the clutch pedal approx. 5x
up to stop after assembly of engine with
transmission.
A 188
FREE PLAY ADJUSTMENT OF FRONT WHEEL TAPERED ROLLER BEARINGS
AT TRACTOR Z 3321, Z 4321, Z 5321, Z 6321, Z 7321.
- Fix tractor against movement, lift up and support the front axle.
- Remove the bearing cover (1) and remove the cotter pin (2) from the castle nut
(3).
- Torque the castle nut (3) by 15 Nm.
- Loosen the nut by 180° and release the bearing by knocking of mallet to the wheel
hub.
- Retorque the castle nut (3) with torque wrench by 3-5 Nm. Wheel must be freely
turned without evident play but without evident resistance. (Hub sealing creates a
friction against turning and needs to be taken into consideration).
- Lock the castle nut with a new cotter pin.
- Assemble the bearing cover (1).
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