COMAC Optima 90, Use And Maintenance Manual

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CLEANING THE RECOVERY TANK
To clean the recovery tank, proceed as follows:
1. Take the machine to the maintenance area.
N.B. : The place designated for this operation must comply with current environmental protection regulations.
2. Make sure the machine has been secured (see the section titled “ SECURING THE MACHINE ”).
CAUTION : Users are advised to always wear protective gloves, to avoid the risk of serious injury to hands.
3. Release the recovery tank drainage tube (1), at the back of the machine ( Fig. 1 ), from the retainers, unscrew the cap and place it on the ground.
4. Grip the handle (2) on the back of the recovery tank cover and remove it ( Fig. 2 ).
5. Rinse the inside with a jet of water, if necessary use a spatula to remove the sludge that has accumulated at the bottom of the tank.
6. Repeat the operations in reverse order to reassemble all the parts.
N.B. : The place designated for this operation must comply with current environmental protection regulations.
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CLEANING THE BRUSH HEAD BODY BRUSHES
Careful cleaning of the brush guarantees better cleaning of the floor as well as a longer brush head gearmotor lifespan. To clean the brush, proceed as follows:
1. Take the machine to the maintenance area.
N.B.
: The place designated for this operation must comply with current environmental protection regulations.
2. Make sure the machine has been secured (see the section titled “ SECURING THE MACHINE ”).
CAUTION : Users are advised to always wear protective gloves, to avoid the risk of serious injury to hands.
3. On the right side of the machine remove the right side splash guard (1) (
Fig. 1
), remember to fully unscrew the wing nuts (2) before removing the splash guards.
4. Remove the right side pre-assembly (3) from the brush head body ( Fig. 2 ), lightly press downwards and then move it towards the outside of the machine, remember to release the hinges (4) before removing
the right side.
5. Take out the brushes from the brush head and clean under a jet of water and if necessary remove any dirt in their bristles.
N.B. : Check the bristles. If they are excessively worn, replace the brushes (the bristles should protrude by at least 10 mm).
6. Position the rear brush inside the brush head body, taking care to insert the brush correctly with the hub in the brush head body.
7. Position the front brush in the right side pre-assembly, taking care to correctly fit the hub in the right side pre-assembly with the brush
N.B. : The two brushes have been correctly fitted when the respective cusp shapes, seen from above, form an X.
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3
N.B.
: If the polyurethane ring on the float body (
Fig. 5
) is excessively worn or damage contact the nearest service centre.
8. Repeat the operations in reverse order to reassemble all the parts and move on the second float filter.
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EMPTYING THE SOLUTION TANK
Proceed as follows to empty the solution tank:
1. Take the machine to the maintenance area.
N.B. : The place designated for this operation must comply with current environmental protection regulations.
2. Make sure the machine has been secured (see the section titled “ SECURING THE MACHINE ”).
CAUTION : Users are advised to always wear protective gloves, to avoid the risk of serious injury to hands.
3. Remove the drainage hose of the solution tank from the clamps; it is located at the rear of the machine ( Fig. 1 ).
4. Bend the end of the drainage tube in order to create a choke and prevent the content from coming out ( Fig. 2 ), then position the tube on the discharge surface, unscrew the cap, and gradually release the tube.
N.B.
: The place designated for this operation must comply with current environmental protection regulations.
5. Repeat the operations in reverse order to reassemble all the parts.
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