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Tennant
Scrubber
T300
Tennant T300 Service Manual
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T300
T300e
Automatic Floor Scrubber
English
EN
Service Manual
9014510
Rev
. 02 (10-2023)
*9014510*
For the latest Parts Manuals and other
language Operator Manuals, visit:
www
.tennantco.com/manuals
R
Hygenic
®
Fully cleanable
Recovery T
ank
T
ennant
T
rue
®
Parts
IRIS
®
a T
ennant T
echnology
2
Table of Contents
Table of Contents
3
Contents
3
Safety Precautions
6
General Information
10
Electrical Schematic Symbols
11
Electrical Schematic T300 (Drive Model)
12
Electrical Schematic T300 (Push Model)
15
Electrical Schematic T300E (Drive Model)
18
Electrical Schematic T300E (Push Model)
20
Fastener Torque
23
SAE (Standard)
23
Metric
23
General Machine Dimensions/Capacities/Performance
24
General Machine Dimensions/Capacities/Performance
25
General Machine Dimensions/Capacities/Performance
26
General Machine Dimensions/Capacities/Performance
27
Maintenance
32
Maintenance Chart
32
Machine Maintenance
33
After Daily Use
33
After Weekly Use
35
After Every 50 Hours of Use
36
After Every 100 Hours of Use
36
Electric Motors
37
Belts
37
Orbital Scrub Head Isolators (Lower)
37
Batteries
38
Maintenance-Free Batteries
38
Flooded (Wet) Lead-Acid Batteries
38
Checking Connections / Cleaning
38
Charging Batteries
39
Battery Charger Settings
40
Off-Board Battery Charger
40
On-Board Battery Charger
41
Changing On-Board Battery Charger
41
Settings (Pro-Membrane Model)
41
Change On-Board Battery Charger
42
Settings (Pro-Panel Model)
42
Manual Battery Watering System (Trojan Battery Option)
43
Circuit Breakers
44
Squeegee Blade Replacement
45
Ec-H2O Nanoclean Water Conditioning Cartridge Replacement
46
Loading/Unloading Machine for Transporting
48
Storing Machine
49
Freeze Protection
49
Troubleshooting
50
Fault/Error Codes
50
T300/T300E Ec-H2O Nanoclean Icon Faults
61
Faults - off Board Battery Charger
64
Troubleshooting
65
System Troubleshooting
66
Onboard Battery Charging on (Option)
66
Batteries Failed to Charge/Reduced Run Time (Onboard Charger)
67
Off Board Battery Charging on (Option)
68
Batteries Failed to Charge/ Reduced Run Time (off Board Charger)
69
Power-Up on
70
Machine Failed to Power up
71
T300 Propel Subsystem (Option)
72
T300 Failed to Propel
73
T300E Propel Subsystem (Option)
74
T300E Failed to Propel
75
T300 Scrub Motor on
76
T300 Scrub Motor Failed to Turn on
77
T300E Scrub Motor on
78
T300E Scrub Motor Failed to Turn on
79
Scrub Head Lift Actuator (Option)
80
Scrub Head Failed to Raise/Lower
81
T300 Vacuum Fan on
82
T300 Vacuum Fan Failed to Turn on
83
T300E Vacuum Fan on
84
T300E Vacuum Fan Failed to Turn on
85
T300 Solution Control on (Conventional)
86
T300 Solution Control Failed to Turn on (Conventional)
87
T300E Solution Control on (Conventional)
88
T300E Solution Control Failed to Turn on (Conventional)
89
T300 Solution Control on (Ec-H2O)
90
T300 Solution Control Failed to Turn on (Ec-H2O)
91
T300E Solution Control on (Ec-H2O)
92
T300E Solution Control Failed to Turn on (Ec-H2O)
93
T300 SE (Severe Environment) on
94
T300 SE (Severe Environment) Failed to Turn on
95
SUN-I/O Circuit Board Testing (Universal Schematic)
96
SUN-I/O Circuit Board Testing Procedure
97
CAN (Controller Area Network) Open Network Issues
98
Verify Connectors Fully Seated
98
Verify Pin Fully Seated
98
Network Resistance
98
Check Node (Module) Resistance
99
Check Wire Continuity to Node
99
Machine Node Table
100
Service
102
Service Diagnostics Tool
102
Program a New Interface Module
102
Update the Machine Firmware
105
Program the I-Drive Module (Option)
108
Reconfigure the Machine after New Hardware/Option Installation
110
Access Support Documentation
113
Display Fault Codes on Service Device
115
Changing Off-Board Battery Charger Settings
116
Battery Charger Operation
117
Chassis
118
Frame Group-Propel Model
118
Remove the Transaxle Assembly
119
(Propel Machines Only)
119
Remove/Inspect/Install the Drive Motor Carbon Brushes (Propel Machines Only)
121
Remove/Install the Swivel Caster
122
Frame Group-Push Model
123
Solution Systems
124
Vacuum Fan
124
Remove/Inspect/Replace Vacuum Fan Carbon Brushes
126
Remove/Replace the Recovery Tank
127
Remove the Water Solenoid Valve (T300E Shown)
130
Adjust the Water Solenoid (T300E Only)
133
Replace the Solution Tank
135
Connect Hoses to PTC (Push-To-Connect) Fittings
137
Disconnect Hoses from PTC (Push-To-Connect) Fittings
138
Scrubbing Systems
139
Dual Disk Scrub Head Lift Group
139
Single Disk Scrub Head Lift Group
140
Cylindrical Scrub Head Lift Group
141
Orbital Scrub Head Lift Group
142
Remove/Reinstall the Scrub Head
143
Remove/Replace the Brush Belt (Cylindrical Scrub Head Model)
145
Remove/Replace the Brush Motor (Cylindrical Scrub Head Model)
147
Replace the Cylindrical Brush Motor Carbon Brushes
149
Check/Adjust the Cylindrical Scrub Brush Pattern
150
Dual Scrub Brush Head Assembly
153
Remove/Install the Dual Scrub Head Motor Carbon Brushes
154
Replace the Brush Motor Belt (Dual Disk Model)
156
Orbital Scrub Head Assembly
158
Remove/Install the Orbital Scrub Head Motor Carbon Brushes
159
Replace the Lower Orbital Head Isolators
160
Remove/Install/Replace the Orbital Scrub Head Eccentric Drive Assembly
162
Replace the down Pressure Actuator (Option)
164
Manual down Pressure Group
167
Control Modules/Controls/Electrical
168
Remove the Machine Control Module (Option)
169
Replace the I-Drive Module (Option)
170
Remove the Onboard Battery Charger (Option)
172
Remove the Interface Module
175
Disassemble/Assemble the Control Handle Assembly
177
Remove/Install the Speed Range Potentiometer
181
Remove/Install the Direction Switch
182
Remove/Install the Bail Switch
183
Options
184
Module (Option)
184
Service the Ec-H2O Nanoclean Module
186
Replace the Ec-H2O Solution Pump (Option)
188
Replace the Water Solenoid Valve
190
SE (Severe Environment) Group (Option)
192
Remove/Install the Severe Environment Detergent Pump Assembly
192
Remove/Install the Severe Environment Detergent Metering Liquid Level Sensor
193
Other manuals for Tennant T300
Operator's Manual
57 pages
Service Information Manual
128 pages
Installation Instructions
9 pages
5
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Tennant T300 Specifications
General
Solution Tank Capacity
11 gal / 42 L
Power Source
Battery
Machine Type
Walk-Behind
Battery Voltage
24 V
Sound Level
68 dBA
Cleaning Path
17 in / 430 mm
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