Table of Contents
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Contents
5.3
Maintenance schedule . . . . . 69
customer. . . . . . . . . . . . . . . . 69
5.3.2 Hako system maintenance I . 72
5.3.3 Hako system maintenance II 75
5.3.4 Hako system
maintenance III/S
(safety check) . . . . . . . . . . . . 76
5.4
Battery system . . . . . . . . . . . 77
5.4.1 Charging batteries . . . . . . . . 78
5.4.2 Servicing the driving
batteries . . . . . . . . . . . . . . . . 79
5.4.3 Disassembling
the trough battery . . . . . . . . . 79
5.4.4 Installing the trough battery . 81
5.4.5 Disposing of batteries. . . . . . 81
5.4.6 Total discharge signal
transducer . . . . . . . . . . . . . . 82
5.5
Solution tank. . . . . . . . . . . . . 83
5.5.1 Filling the solution tank. . . . . 84
5.5.2 Emptying the solution tank . . 84
5.5.3 Cleaning the draining
hose cap. . . . . . . . . . . . . . . . 84
5.5.4 Cleaning the solution filter . . 84
5.6
Recovery tank . . . . . . . . . . . 85
5.6.1 Emptying the recovery tank . 86
5.6.2 Cleaning the recovery tank . 86
5.6.3 Cleaning the draining
hose cap. . . . . . . . . . . . . . . . 88
5.6.4 Cleaning the air intake filter . 88
5.6.5 Cleaning the openings to the
solution tank . . . . . . . . . . . . . 88
5.7
Scrubbing unit . . . . . . . . . . . 89
5.7.1 Changing the brushes . . . . . 89
5.7.2 Installing new rubber
deflector strips . . . . . . . . . . . 90
5.8
Squeegee. . . . . . . . . . . . . . . 91
5.8.1 Cleaning the squeegee . . . . 91
5.8.2 Disassembling the squeegee 91
5.8.3 Installing the squeegee . . . . 92
5.8.5 Adjusting the support rollers. 92
5.9
Wheels . . . . . . . . . . . . . . . . . 93
5.9.1 Front wheel . . . . . . . . . . . . . 93
5.9.2 Rear wheels . . . . . . . . . . . . . 93
5.10
Electrical installation. . . . . . . 94
5.10.1 Red control lamps . . . . . . . . 94
5.10.2 Error codes. . . . . . . . . . . . . . 94
5.10.3 Fuses . . . . . . . . . . . . . . . . . . 94
5.10.4 Drive control relay . . . . . . . . 94
5.11
Cleaning the vehicle. . . . . . . 95
5.12
Transporting and towing. . . . 96
5
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