Zetor 3321 SUPER, Operator'S Manual

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150
MAINTENANCE INSTRUCTIONS
INCREASED TIRE LOAD CAPACITY
The allowed axle load capacity
mentioned in tab.
“
TRACTOR TECHNI-
CAL PARAMETERS
“
must not be ex-
ceeded at loading tractor.
It is not allowed to increase the tire load
capacity by farther increase of inflating
pressure over values mentioned in table
and with reducing tractor travel speed
except of mentioned cases.
TRACTOR STORAGE
If the tractor is stored out of operation for
short period, inflate tires to value used
for road transportation. When storage of
tractor for a long period, support the
tractor and reduce the tire pressure to
minimum (wheels must not touch the
ground).
Tire load capacity can be increased in the following cases:
Tools Tire type Respected limits:
% load
capacity
increase
% inflating
pressure
increase
∗
travel speed
limit (kmph)
min.
number
of PR
Front
attached
implements
non-driven
wheels
35% - 20 -
driving wheels 40% max. 25% 8 6PR
Front loader not driven wheels 100% max. 25% 8 -
driving wheels 40% max. 25% 8 6PR
∗
- over values mentioned in tables
“
RECOMMENDED TIRE INFLATION
“
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