HP Concorde 608349, Concorde 608935, Concorde 609256, Concorde Plus HOUR METER, DAILY MAINTENANCE (Every 4 Hours of Use), WEEKLY MAINTENANCE (Every 20 Hours of Use), MONTHLY MAINTENANCE (Every 80 Hours of Use)

OPERATION

HOUR METER

The machine is equipped with an hour meter located on the control console. Use hour meter to determine recommended maintenance procedures and to record service history (Figure 28).

FIG. 28

DAILY MAINTENANCE (Every 4 Hours of Use)

1. Recharge batteries (See BATTERY CHARGING).

NOTE: Recharge batteries ONLY after a total of 30 minutes or more. This will prolong battery life.

2.Drain and rinse tanks thoroughly.

3.Remove any lint buildup from standpipe screen.

4.Check spray pattern. Pattern should spray evenly across width of machine (See SPRAY BAR AND SPRAY TIP MAINTENANCE).

5.Remove lint buildup from splash guard, located next to brush.

6.Clean machine housing with an all purpose cleaner and damp cloth.

ATTENTION: Do not power spray or hose off machine. Electrical component damage due to water is not covered by warranty.

7.Turn main power switch off, pull out main circuit breaker button and remove any obstruction (carpet strands, etc.) from brush.

FOR SAFETY: Before leaving or servicing machine, stop on level surface, turn off machine and pull out main circuit breaker button.

8. Remove and clean solution tank fill port strainer.

WEEKLY MAINTENANCE (Every 20 Hours of Use)

1.Remove and rinse inline strainer filter located under machine at rear (See SOLUTION FILTER MAINTENANCE).

2.Check fluid level in battery cells (See BATTERY MAINTENANCE).

3.Clean battery tops to prevent corrosion.

4.Check for loose or corroded battery cables.

5.Remove and clean spray tips (See SPRAY BAR AND SPRAY TIP MAINTENANCE).

MONTHLY MAINTENANCE (Every 80 Hours of Use)

1.Flush out plumbing system with an acetic acid solution (See PLUMBING SYSTEM MAINTENANCE).

2.Check brush belt for wear or excess slack (See

BRUSH BELT MAINTENANCE).

3.Check drive chain for excess slack and lubricate with a water resistant grease (See DRIVE CHAIN MAINTENANCE).

4.Lubricate axle and caster grease fittings with a water resistant grease.

5.Lubricate all linkage pivot points with silicone spray then coat with a water resistant grease to maintain a smooth operation.

6.Check machine for water leaks and loose nuts and bolts.

QUARTERLY MAINTENANCE (Every 250 Hours of Use)

1.Check drive and brush motors for carbon brush wear, replace brushes when worn.

2.Check vacuum motor for carbon brush wear, replace brushes when worn to a length of 10 mm (0.38 in) or less.

Contact an Authorized Service Center for motor maintenance.

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