Advance acoustic 56514925, Service Manual, Page: 3 / 260

Contents
iii
Service Manual – Advance 7765 / Nilfisk CR1500
Side Broom Controls 38
Hopper Controls (Variable Dump models) 39
Dust Control and Filter Shaker Controls (Variable Dump models) 40
Miscellaneous Controls 40
Dust Control System 42
Functional Description 42
Overview 42
Filter Assembly 43
Dust Control Vacuum Fan Motor Assembly 43
Dust Control Motor Valves 44
Dust Control System Wiring Diagram 45
Electrical Circuit Description 45
Shaker Motor Nominal Conditions 45
Dust Control System Hydraulic Diagrams 46
Main Broom and Dust Control Motors Off 46
Main Broom and Dust Control Motors On 47
Main Broom Motor On and Dust Control Motor Off (with Wet Sweep Bypass Option)
48
Component Locations 49
Dust Control Filter Maintenance 52
Troubleshooting 55
Specifications 56
Electrical System 57
Functional Description 57
Overview 57
Instrument Panel and Circuit Breakers 57
Foot Pedal Proximity Switches 58
Electrical Ladder Diagrams 59
Electrical Ladder Diagram, p/n 56382653, Rev. B, Page 1 59
Electrical Ladder Diagram, p/n 56382653, Rev. B, Page 2 60
Electrical Ladder Diagram, p/n 56382653, Rev. B, Page 3 61
Electrical Ladder Diagram, p/n 56382653, Rev. B, Page 4 62
Electrical Ladder Diagram, p/n 56382653, Rev. B, Page 6 63
Engine Harness - GM 3.0L Gas, p/n 56380222 64
Engine Harness -GM 3.0L LPG, p/n 56380221 65
Machine Harness Routing Diagram – Gas, LP and Diesel 66
Engine System (common) 67
Engine Frame Side System – Mitsubishi Diesel 68
Engine Frame Side System – GM Gas 69
Engine Frame Side System – GM LPG 70
Scrub System Electrical System 71
Shaker Motor and Hopper Electrical System 72
Squeegee and Vacuum Fan Motor Electrical System 73
Component Locations 74
Battery 74
Relays 74
Instrument Panel 75
Circuit Breakers 75
Foot Pedal Proximity Switches 76
Troubleshooting 76
Specifications 76
Component Specifications 76