5 - Operation5.2Maneuvering of the boom - HZ-versionThe switches on the hydraulic control box control the followingfunctions:1. Power ON/OFF2. Boom tilt left3. Boom lift raise/lower4. Boom tilt right5. Boom folding (left side)6. Boom folding (right side)7. Optional function8. Optional functionTo unfold the boom, do the following:1. Push switch (3) upwards to lift the boom clear of the transport brackets.2. Push switches (2) and (4) downwards to lower individual tilt rams.3. Push switch (5) to the left and (6) to the right to unfold the boom. Rear transport hooks disengage automatically.4. Push switch (3) downwards to lower the boom to correct height above crop or ground level.To fold the boom, do the following:1. Push switch (3) upwards to raise the boom to highest possible position.2. Push switch (5) to the right and (6) to the left to fold the boom. Make sure to fold the boom against the vertical slidepads.3. Push switches (2) and (4) upwards to raise the individual tilt rams.4. Push switch (3) downwards to lower the boom until the rear transport hooks are firmly engaged.5. Push switches (2) and (4) downwards to lower the individual tilt rams until they rest on the transport brackets.± WARNING! Ensure that the boom is clear from the transport brackets before unfolding.± WARNING! The folding functions (switches 5 and 6) must only be operated when the sprayer is stationary! Failure todo so will damage the boom. ATTENTION! The boom cannot be operated with the tractor’s hydraulic levers.Single-sided foldingIt is possible to spray with only one side of the boom unfolded. If this is needed, first tilt down and unfold the boomcompletely. Then push switch (5) or (6) inwards to fold in the left or right wing only. On the spray control unit also turn offthe spray sections placed on the folded side.± ATTENTION! It is not advisable to go directly from transport position to spray position with one side only. Both wingsmust first be completely unfolded and then one side folded back in.