Section 8 Handling of mower
48
6. Down pressure spring
●
Each mower is provided with a down pressure
spring. The spring functions to keep the
mower and ground always in contact with
each other to improve the cutting quality.
When changing the cutting quality or to
optimize the cutting quality, check and adjust
the spring.
(1) After adjusting the cutting height of each
unit, lower the mower unit on a flat ground
and measure the spring size.
(2) Loosen the nut Z to adjust the size A to be
30mm ± 2mm. By this adjustment, down
pressure load of all of the 5 units becomes
constant.
(3) Adjust the nut Y so that the size B is 5mm
± 2mm.
By this adjustment, angle to be adapted to
angulation becomes constant.
7. Fixing the mower steering angle
●
Steering angle of each mower is provided so
that the damage on the turf at the time of
turning of the machine is reduced. The
steering angle can be fixed depending on the
operating conditions.
(1) Lower the mower unit on a flat ground and
pull out the L-shaped pin.
(2) Insert the L-shaped pin into the upper
hole. If it cannot be easily inserted, move
the steering angle of the mower unit and
try to insert it again.
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