ENGLISH EN

Maintenance cont.

Consult your Clarke Authorized Service Person to do the service procedures.

Use only genuine Clarke parts.

How to Center or Offset the Brush Head

The brush head on this machine can be centered or offset 1 inch to the right side of the machine. To center or offset the brush head, follow this procedure:

Recommended tools: 3/8" drive rachet, 3" extension and 9/16" socket.

CAUTION: Before offsetting the brush head, be sure that the recovery tank is empty of solution.

1.Turn the key switch "ON".

2.Put the brush switch to the "Up" position.

3.Turn the key switch "OFF" and remove the key.

4.Tip up the recovery tank until it locks in the full open position.

5.Go to the front of the machine and unlatch the front cover and swing cover open.

6.Locate the four mounting studs on the brush head bracket. See figure 34. The top two mounting nuts can be accessed through the top of the solution tank. The lower two can be accessed through the front. Loosen the four mounting nuts 2 to 3 turns counterclockwise. NOTE: Donotremovemounting nuts.

7.The brush head assembly can slide to the right side by one inch or placed back into the center. Slide the brush head assembly all the way to the ends of the slots for the desired position. This insures that the head operates straight up and down.

8.After repositioning the brush head, tighten nuts securely to approximately 236 inch-lbs.

9.Close the front cover.

10.Close the recovery tank.

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2

 

3

4

Figure 34

Maintenance Procedures That Must Be Done Every Six Months

Contact a Clarke Authorized Service Center to perform this six month procedure.

1.Check the carbon brushes in the electric motors.

2.Clean the battery terminals and connectors. Make sure all of the battery connections are tightened correctly.

3.Check all of the switches, controls, valves, hoses and gaskets.

4.Check and remove debris from the transaxle hubs.

5.Replace the rubber isolators (see Ref. #23 in Brush Head Assembly Parts List section). The rubber isolators are considered wear items and must be replaced every 6 months.

6.Replace the rubber mounts (see Ref. #56 in Brush Head Assembly Parts List section). The rubber mounts are considered wear items and must be replaced every 6 months.

Clarke® Operator's Manual (EN) - BOOST 28

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