IHI Shibaura SR525HP-S, Operator'S Manual

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Section 8 Handling of mower
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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