EN

Maintenance

NOTE: Always turn machine off before servicing machine.

WARNING: Always wear eye protection and protective clothing when working near batteries. NO SMOKING!

WARNING: Before raising or removing the recovery tank, be sure tank is empty. Do not operate or perform maintenance on the machine while the recovery tank is in the open position. The tank can be accidentally bumped and it may slam shut.

1.Disconnect the batteries. Use a cloth and a solution of ammonia or bicarbonate of soda to wipe the top of the batteries. Clean the battery terminals. Reconnect the batteries.

2.Check the hoses for leaks, obstructions and other damage.

3.On machines with cylindrical brush head, check the brush drive belts for proper tension. Belts must be tensioned properly to prevent slipping. To tighten the belts, follow this procedure:

a.Remove belt cover by removing screws.

b.Loosen the 2 screws on either side of the motor pulley.

c.Use a small pry bar or large screwdriver to pry the motor upward to achieve correct belt tension. Pry on the motor close to where the motor contacts the brush head casting (See Figure 36, A).

d.Hold tension and tighten 2 screws (See Figure 36,B).

e.Replace belt cover.

A

B

Figure 36

Clarke® Operator's Manual -FOCUS S17/L17 and S20/L20

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