SaMASZ Z2-780, Operator'S Manual, Page: 30 / 44

Operator’s manual
Twin-rotor rotary rake
Z2-780; Z2-840
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6.3. Wheel replacement
CAUTION:
On regular basis inspect condition of tires, tread, tire pressure (
Tab. 1
) and
sticker N-196) and tightening of nuts in wheels (the torque should be in
accordance with Tab. 5 ).
Make sure to gave inspections, in particular:

after first use of the rake,

every 50 h of operation,

after wheel replacement,

in case of intensive use.
CAUTION:
Operation with damaged wheel may cause a serious accident .
When found damaged, replace the wheel as follows:

set the machine on a stable ground and protect it against uncontrolled moving,

loosen wheel nuts,

mount lifter in points as shown in
Fig. 31
and lift the machine,

remove the wheel,

clean nuts and pins and check their technical condition,

install the wheel on hub, tighten nuts to have the as close to the hub as possible,

lower the machine and tighten nuts using recommended torque (
Tab. 5
).
Fig. 31. Points of mounting of lifter
7. MAINTENANCE
Before any maintenance works follow remarks and warnings on safety as given in subsection
4.1. General safety rules and regulations.
CAUTION:
Before any maintenance works detach the machine from the tractor.
7.1. Daily maintenance
Each day, after the operation is done, carry out the following maintenance:

check all visible units and parts and their connections; tighten all loose bolts and nuts and
replace all damaged and/or worn parts with new genuine ones,

inspect condition of hydraulic hoses,

clean the rake each day after working,

clean the rake each day after working from mud, grass and dirt,

check rotor’s and tine’s condition,