Tennant T20 LPG Operating and installation instructions

www.tennantco.com

Service Information Manual

331475

Rev. 00 (02-2007)

Hygenic Fully Cleanable Tanks

FloorSmart

Integrated Cleaning System

ES Extended Scrub System

The Safe Scrubbing AlternativeR

*331475*

T20

FOR REPLACEMENT PARTS

Identify machine model and serial number.

1. (A) Identify the machine model.

2. (B) Identify the machine serial number from the data plate.

Refer to the TENNANT Parts Manual.

NOTE: Only use TENNANT Company supplied or equivalent parts. Parts and supplies may be ordered

online, by phone, by fax or by mail.

Tennant Company

PO Box 1452

Minneapolis, MN 55440

Phone: (800) 553--8033 or (763) 513--2850

www.tennantco.com

Specifications and parts are subject to change without notice.

T20 331475 (02-2007)

T20 Service Information Manual

Table of Contents

(Page 1 of 2)

page

SAFETY PRECAUTIONS…………………………………………………v to vi

GENERAL MACHINE INFORMATION

Electrical Component Locator………………………………..……2 to 9

Hydraulic Component Locator………………………………..……10 to 17

Scrub Manifold Details………………………………..……16

Side Brush Manifold Details……………………………….17

Specifications………………………………..………………………18 to 20

Machine Dimensions………………………………..………………20

Basic Troubleshooting………………………………..……………21 to 22

MAINTENANCE

Maintenance Check Points………………………………..………24

Maintenance Chart………………………………..……………… 25 to 26

Lubrication………………………………..…………………………27

Hydraulics………………………………..…………………………29

Engine………………………………..…………………………..…30

Battery………………………………..…………………………..…33

Fuses & Relays………………………………..……………………33

Scrub Brushes & Pads………………………………..……………35

Side Brush………………………………..…………………………41

FaST System………………………………..………………………42

Squeegee Blades………………………………..…………………44

Skirts & Seals………………………………..………………………50

Brakes & Tires………………………………..…………………… 51

Propelling Motor………………………………..……………………51

Pushing,Towing,& Transporting Machine……………………… 52

Machine Jacking………………………………..………………… 54

Storage Information………………………………..………………54

Pinch Valve Adjustment………………………………..………… 55

ELECTRICAL

Electrical Schematic………………………………..………………58 to 64

Wiring Harness Detail………………………………..……………65 to 78

Main Wire Harness………………………………..…………65 to 72

Headlight Wire Harness………………………………..……73

Gas/LPG Engine Wiring………………………………..……74 to 77

FaST Wire Harness………………………………..……… 78

Electrical Symbols & Terms………………………………..………79

Touch Panel Detail………………………………..……………… 80

Touch Panel LED’s………………………………..……………… 81

Option Components………………………………..………………82

Key Switch………………………………..…………………………83

Key OFF Power Distribution………………………………..…… 84

Key ON Power Distribution………………………………..………85

Main Brushes ON………………………………..…………………86

Scrub Vacuum Fan ON & Squeegees DOWN………………… 87

Side Brush ON………………………………..……………………88

Tank Level Switches………………………………..………………89

Auto Fill Solenoids………………………………..…………………90

Detergent Pump & ES Pump………………………………..……91

Horn………………………………..…………………………..……92

Forward Propel………………………………..……………………93

Reverse Propel………………………………..……………………94

Gas/LPG Shutdown Relay (Normal Machine Operation)………95

Diesel Shutdown Relay (Normal Machine Operation)…………96

Gas/LPG Shutdown Relay (Shutdown Mode)……………………97

T20 331475 (02-2007)

iii

T20 Service Information Manual

Table of Contents

(Page 2 of 2)

page

ELECTRICAL (continued)

Diesel Shutdown Relay (Shutdown Mode)……………………

…

Gas/LPG Starting System ON………………………………..…

…

Diesel Starting System ON………………………………..……

…

100

Diesel Glow Plugs ON………………………………..…………

…

101

Conventional Solution Valves………………………………..…

…

102

FaST System ON………………………………..………………

…

103

Fuel Level Sensors………………………………..……………… 104

Impact, Hydraulic Temperature, & Hydraulic Filter Sensors…

…

105

Gas/LPG Engine Oil Pressure, Temperature, & MIL Systems

…

106

Diesel Engine Oil Pressure & Temperature Systems………… 107

Gas/LPG Fuel Pump & Engine Speed Control………………

…

108

Diesel Fuel Pump………………………………..………………

…

109

Diesel Engine Speed Control………………………………..…

…

110

Enable/Disable Chart………………………………..…………… 111

Control Board Connectors………………………………..……… 112

Fault Indicators………………………………..…………………

…

113

Condition & Warning Indicators………………………………..

…

114

Configuration Modes………………………………..……………

…

115 to 117

Diagnostic Modes………………………………..………………

…

118

HYDRAULICS

Hydraulic Schematic………………………………..……………

…

120

Hydraulic Hose, Pump & Valve Drawings……………………… 121 to 141

Steering and Propel………………………………..……… 121

Pumps and Vacuum Fan………………………………..

…

122

Cylindrical Brush………………………………..…………

…

124

Disk Brush………………………………..………………… 126

Squeegee Lift………………………………..……………

…

128

Pumps Group………………………………..……………

…

130

Cooler and Tubes Group………………………………..

…

132

Reservoir Group………………………………..…………

…

134

Scrub Manifold Valves Group……………………………

…

136

Side Brush Manifold Valves Group………………………

…

138

Side Brush Hose Group………………………………..…

…

140

Hydraulic Solenoid Valve Details……………………………….. 142

General Information………………………………..……………

…

143

Hydraulic Symbols………………………………..………

…

143

Pump Flow Rates………………………………..………… 144

Abbreviations………………………………..……………

…

144

Port Markings………………………………..……………

…

144

Operating Matrix………………………………..………………… 145

Option Components………………………………..……………

…

146

Scrub Head Lower………………………………..………………

…

147

Scrub Head Lift………………………………..…………………

…

148

Squeegees Lower………………………………..………………

…

149

Squeegees Lift………………………………..…………………

…

150

Main Brushes ON (Cylindrical Only)……………………………

…

151

Main Brushes ON (Disk Only)………………………………..…

…

152

Side Brush ON………………………………..…………………

…

153

Scrub Vacuum Fan ON………………………………..…………

…

154

Scrub Vacuum Fan & Side Brush ON…………………………

…

155

Side Brush Lower………………………………..………………

…

156

Side Brush Lift………………………………..…………………… 157

Side Brush Extend………………………………..………………

…

158

Side Brush Retract………………………………..……………… 159

T20 331475 (02-2007)

The following precautions are used throughout

this manual as indicated in their description:

WARNING: To warn of hazards or

unsafe practices that could result in

severe personal injury or death.

CAUTION: To warn of unsafe practices

that could result in minor or moderate

personal injury.

FOR SAFETY: To identify actions that must be

followed for safe operation of equipment.

Do not use the machine other than described in

this Operator Manual. The machine is not

designed for use on public roads.

The following information signals potentially

dangerous conditions to the operator or

equipment:

WARNING: Flammable materials can

cause an explosion or fire. Do not use

flammable materials in tank.

WARNING: Flammable materials or

reactive metals can cause an explosion

or fire. Do not pickup.

WARNING: Moving belt and fan. Keep

away.

WARNING: Engine emits toxic gases.

Serious injury or death can result.

Provide adequate ventilation.

WARNING: Burn hazard. Hot surface. Do

NOT touch.

CAUTION: LPG engine will run for a

few seconds after key is turned off.

Apply parking brake before leaving

machine.

CALIFORNIA PROPOSITION 65

WARNING: Engine exhaust from this

product contains chemicals known to

the State of California to cause cancer,

birth defects, or other reproductive

harm.

FOR SAFETY:

1. Do not operate machine:

-- Unless trained and authorized.

-- Unless operator manual is read and

understood.

-- If it is not in proper operating

condition.

-- In flammable or explosive areas.

-- In areas with possible falling objects

unless equipped with overhead guard.

2. Before starting machine:

-- Check for fuel, oil, and liquid leaks.

-- Keep sparks and open flame away

from refueling area.

-- Make sure all safety devices are in

place and operate properly.

-- Check brakes and steering for proper

operation.

3. When starting machine:

-- Keep foot on brake and directional

pedal in neutral.

4. When using machine:

-- Use brakes to stop machine.

-- Go slow on inclines and slippery

surfaces.

-- Use care when reversing machine.

-- Do not carry passengers on machine.

-- Always follow safety and traffic rules.

-- Report machine damage or faulty

operation immediately.

-- Follow mixing and handling

instructions on chemical containers.

T20 Safety Precautions

(Page 1 of 2)

T20 331475 (02-2007)

5. Before leaving or servicing machine:

-- Stop on level surface.

-- Set parking brake.

-- Turn off machine and remove key.

6. When servicing machine:

-- Avoid moving parts. Do not wear loose

jackets, shirts, or sleeves.

-- Block machine tires before jacking

machine up.

-- Jack machine up at designated

locations only. Support machine with

jack stands.

-- Use hoist or jack that will support the

weight of the machine.

-- Wear eye and ear protection when

using pressurized air or water.

-- Disconnect battery connections before

working on machine.

-- Avoid contact with battery acid.

-- Avoid contact with hot engine coolant.

-- Do not remove cap from radiator when

engine is hot.

-- Allow engine to cool.

-- Keep flames and sparks away from

fuel system service area. Keep area

well ventilated.

-- Use cardboard to locate leaking

hydraulic fluid under pressure.

-- Use Tennant supplied or approved

replacement parts.

7. When loading/unloading machine

onto/off truck or trailer:

-- Turn off machine.

-- Use truck or trailer that will support

the weight of the machine.

-- Use winch. Do not drive the machine

onto/off the truck or trailer unless the

load height is 380 mm (15 in) or less

from the ground.

-- Set parking brake after machine is

loaded.

-- Block machine tires.

-- Tie machine down to truck or trailer.

T20 Safety Precautions

(Page 2 of 2)

T20 331475 (02-2007)

T20

GENERAL

MACHINE

INFORMATION

T20 331475 (02-2007)

T20 Electrical Component Locator

(Page 1 of 8)

BATTERY

FUSE/RELAY PANEL

HORN

SOLUTION TANK FULL SWITCH S-14

FRONT

IGNITION SWITCH S-1

FRONT

SIDE BRUSH SOLUTION

VALVE SOL-7

FRONT

BOTTOM VIEW

BRAKE LIGHT SWITCH S-3

T20 331475 (02-2007)

T20 Electrical Component Locator

(Page 2 of 8)

LIGHT SWITCH S-4

SPRAY NOZZLE SWITCH S-25

HORN SWITCH S-22

IGNITION SWITCH S-1

FRONT

ACCESS PANEL

AUDIBLE ALARM

T20 331475 (02-2007)

T20 Electrical Component Locator

(Page 3 of 8)

SCRUB VALVE

SV1, SV2, SV3, SV4,SV6, SV7

PROPEL PEDAL

POSITION SENSOR

SIDE BRUSH VALVE

SV8, SV10, SV11, SV12

DETERGENT PUMP

FRONT

SOLUTION TANK FULL SWITCH S-14

FRONT

MAIN BRUSH SOLUTION

VALVE SOL-3

FRONT

TOP VIEW

T20 331475 (02-2007)

Other manuals for T20 LPG

Table of contents

Other Tennant Scrubber manuals

Tennant

Tennant 5400 Product manual

Tennant

Tennant T291 User manual

Tennant

Tennant 8410 User manual

Tennant

Tennant t500 Operating and installation instructions

Tennant

Tennant T5 User manual

Tennant

Tennant Speed Scrub ES KIT 2701 User manual

Tennant

Tennant T981 User manual

Tennant

Tennant T390 Operating manual

Tennant

Tennant 8400 User manual

Tennant

Tennant Nobles 2401 User manual

Tennant

Tennant M17 Series Training manual

Tennant

Tennant IRIS T300 User manual

Tennant

Tennant Nobles 3301 User manual

Tennant

Tennant Nobles T350 User manual

Tennant

Tennant T290 User manual

Tennant

Tennant 800D User manual

Tennant

Tennant T17 Series Training manual

Tennant

Tennant T7 User manual

Tennant

Tennant IPC Golden-H User manual

Tennant

Tennant 550 Training manual

Tennant

Tennant T12 User manual

Tennant

Tennant T3 User manual

Tennant

Tennant Nobles T350 User manual

Tennant

Tennant IPC Kosmic-H PW-H31 User manual

Popular Scrubber manuals by other brands

Olympus

Olympus M200H operating manual

Clarke

Clarke BEXT 100H Operation?and safety

JOHNY VAC

JOHNY VAC JVC70BCT user guide

RCm

RCm Elan Series Instruction and maintenance handbook

Kärcher

Kärcher B 120 W quick start

Truvox

Truvox Orbis MotorScrubber 20 user manual

Numatic

Numatic TTB 4045/100 Original instructions

U.S. Products

U.S. Products PEX 500-C-TICK Information & operating instructions

Mclennan

Mclennan C510 Operator's manual

Columbus

Columbus ARA 66 BM 100 operating manual

Numatic

Numatic TTV 678G / 300T Owner's instructions

American-Lincoln

American-Lincoln 505-945 Instructions for use

FIORENTINI

FIORENTINI ET 65-75 user manual

Floorpul

Floorpul ruby 48 blt Use and maintenance

Onyx

Onyx RX-34 Operator's manual

Dustbane

Dustbane Hurricane 400 Operation manual

Sana

Sana EUJ-702 user manual

REMS

REMS Twist instruction manual