5
Contents
Maintenance schedule . . . . . 69
5.3.1 Hako system maintenance,
customer. . . . . . . . . . . . . . . . 69
5.3.2 Hako system maintenance I . 72
5.3.3 Hako system maintenance II 75
5.3.4 Hako system
(safety check) . . . . . . . . . . . . 76
Battery system . . . . . . . . . . . 77
5.4.1 Charging batteries . . . . . . . . 78
5.4.2 Servicing the driving
batteries . . . . . . . . . . . . . . . . 79
the trough battery . . . . . . . . . 79
transducer . . . . . . . . . . . . . . 82
Solution tank. . . . . . . . . . . . . 83
hose cap. . . . . . . . . . . . . . . . 84
5.5.4 Cleaning the solution filter . . 84
Recovery tank . . . . . . . . . . . 85
hose cap. . . . . . . . . . . . . . . . 88
5.6.4 Cleaning the air intake filter . 88
5.6.5 Cleaning the openings to the
solution tank . . . . . . . . . . . . . 88
Scrubbing unit . . . . . . . . . . . 89
5.7.1 Changing the brushes . . . . . 89
5.7.2 Installing new rubber
deflector strips . . . . . . . . . . . 90
Squeegee . . . . . . . . . . . . . . . 91
Wheels . . . . . . . . . . . . . . . . . 93
5.9.1 Front wheel . . . . . . . . . . . . . 93
5.9.2 Rear wheels . . . . . . . . . . . . . 93
Electrical installation. . . . . . . 94
Cleaning the vehicle. . . . . . . 95