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Floor Machine
SC900-28D
Nilfisk-Advance SC900-28D User Manual
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76
Service Manual – SC900
40-Recovery System
Specications
Parameter
Range
K3 V
ac Relay Coil Resistance
105Ω
Special T
ools
Vacuum Pressure Gauge
1-inch open hole adapter
part number 56205281
Fabricated from PVC
75
77
Table of Contents
Default Chapter
2
Table of Contents
2
03 - General Information
5
General Machine Description
5
Service Manual Purpose and Application
5
Other Reference Manuals and Information Sources
5
Parts and Service
5
Diagnostic and Service Tools
5
Conventions
5
Modifications
6
Nameplate
6
Safety
7
Symbols
7
General Safety Instructions
7
Property Damage Messages
8
Lifting or Transporting the Machine
9
Technical Specifications
10
Know Your Machine - Major Components
11
Maintenance Schedule
12
Lubricating the Machine
12
14 - Wheel System, Non-Traction
13
Functional Description
13
Removal and Installation
13
20 - Wheel System, Traction
14
Functional Description
14
Forward and Reverse Switches
14
Speed Limiting Potentiometer
14
Drive Motor PWM Function
15
Drive Controller
15
Circuit Description (Idle)
16
Circuit Description (Driving)
17
Troubleshooting
18
Error Codes
18
Removal and Installation
20
Drive Controller
20
Follow-Up Testing
20
Wheels
21
Drive Motor
22
Motor Brushes
23
Transaxle
24
Specifications
26
Shop Measurements
26
Special Tools
27
Curtis Programmer
27
24 - Electrical System
28
Functional Description
28
Troubleshooting
30
Battery Testing
31
Maintenance and Adjustment
32
Setting Onboard Charger Battery Profile
32
Removal and Installation
33
Electrical Bay Cover
33
Squeegee and Brush Switches
33
Drive Handle
34
Switches and Harness
35
Hour Meter
36
Drive Handle Reassembly Notes
36
Batteries
38
Specifications
39
Connector Pinouts
39
Trackclean Connector
39
Ecoflex Connector
39
Operator's Handle Connector
39
Drive Controller Connector
40
Wiring Diagram
41
Harness Diagram
42
30 - Solution System
43
Functional Description
43
Non-Detergent Models
43
Detergent Models
44
Detergent Pump
44
Troubleshooting
45
Scrub System, General
45
No Solution Flow
46
No Ecoflex Detergent Flow
46
Removal and Installation
47
Scrub Skirt
47
Solution Solenoid
47
Solution Filter
48
Solution Control Panel and Cable
49
Ecoflex Control Panel
50
Specifications
50
34 - Scrub System, Disc
51
Functional Description
51
Circuit Overview
52
Troubleshooting
53
Scrub System, General
53
One Brush Not Working
54
Both Brush Motors Not Working
54
Removal and Installation
55
Scrub Skirt
55
Scrub Brush Motor
55
Brush Motor Brushes
56
Specifications
58
34 - Scrub System, Cylindrical
59
Functional Description
59
Circuit Overview
60
Troubleshooting
61
Scrub System, General
61
One Brush Not Working
62
Both Brush Motors Not Working
62
Removal and Installation
63
Scrub Skirt
63
Scrub Brush Motor
63
Brush Motor Brushes
64
Specifications
67
38 - Squeegee System
68
Functional Description
68
Squeegee
68
Maintenance and Adjustment
69
Squeegee Blade Cleaning and Inspection
69
Squeegee Tilt Adjustment
69
Removal and Installation
70
Squeegee Blade Replacement
70
40-Recovery System
71
Functional Description
71
Vacuum Motor and Recovery Tank
71
Circuit Overview
72
Troubleshooting
72
No Vacuum Motor
72
Poor Suction
72
Vacuum Suction Test
73
Removal and Installation
74
Vacuum Motor
74
Vacuum Motor Brushes
75
Specifications
76
Special Tools
76
90 - Options and Accessories
77
Onboard Charger
77
Trackclean
77
Ecoflex
77
Battery Watering
77
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Nilfisk-Advance SC900-28D Specifications
General
Brand
Nilfisk-Advance
Model
SC900-28D
Category
Floor Machine
Language
English
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