5 - Operation
65
Manoeuvring of the Spray Boom
The SB and MB boom are manually operated. Optionally the boom lift can be manually or hydraulic controlled.
If hydraulic, following operations can be carried out by the tractor’s hydraulic control lever(s).
•
Raising/lowering of the boom.
•
Vertical boom fold.
Correct boom height is very important in order to achieve the most optimal spray pattern. Please refer to the Spray
Technique book for further information.
To unfold the boom
1.
Remove boom transport lock pins.
2.
Swing the right boom wing down. When unfolding the initial force
to release the spring loaded breakaway will be higher than the
actual unfolding.
3.
Swing the left boom wing down. When unfolding the initial force
to release the spring loaded breakaway will be higher than the
actual unfolding.
4.
If applicable, unfold outer boom wings by lifting the boom wing
up and outwards until it clicks into locked position (A).
5.
Unlock the trapeze suspension by removing the lock pin (B). The
lock pin can be stored at the hole farther to the left (C).
μ
ATTENTION! Only unfold and fold the boom on level ground.
To hydraulically fold the boom (MB boom only)
1.
Turn lever to position (A) to fold the right boom wing to vertical position.
2.
Turn lever to position (B) to fold the left boom wing to vertical position.
3.
Push the button (I) to lower the boom, until it is resting in the paralift locks.
4.
Push hydraulic lever to lower the boom, until they are resting in the transport brackets.
±
WARNING! The folding functions must only be operated, when the sprayer is stationary! Failure to do so will damage
the boom. The pendulum lock automatically opens at speeds exceeding 1.5 km/h!
Boom Tilt Function
The following boom tilt function controls enables you to adjust the boom height individually in the right and left hand side.
Boom tilt is adjusted by turning the lever to position (A) or (B) depending
on which boom wing to be tilted.
Summary of Contents for NK MB Series
Page 8: ...1 Identification 8 ...
Page 52: ...3 Description 52 ...
Page 62: ...4 Sprayer Setup 62 ...
Page 84: ...5 Operation 84 ...
Page 87: ...6 Maintenance 87 Boom Lubrication Oiling Plan Lift Lubrication Oiling Plan ...
Page 116: ...9 EC Declaration 116 ...
Page 120: ...Index 120 ...
Page 122: ...HARDI INTERNATIONAL A S Helgeshøj Allé 38 DK 2630 Taastrup DENMARK ...