Tennant 5400 User manual

330735

Rev. 00 (3–01)

Service Manual

5400

This service manual is intended to be an aid for the disassembly and reassembly of your TENNANT

Model 5400.

The set is organized into four major groups: General Information, Chassis, Scrubbing, and Electrical.

General Information: Machine safety, transport, jacking, lifting, and storage. Machine specifications,

Maintenance charts and Hardware information.

Chassis: Tire/wheel replacement, Caster replacement, Transaxle and Transaxle drive motor replacement.

Scrubbing: Squeegee assembly replace and adjust, Scrubber head replace and adjust, Scrubber brush

motor replacement, Vacuum fan replacement, Solution/recovery tank replacement, , Power wand pump

replacement, and Scrubbing troubleshooting chart.

Electrical: Battery maintenance and replacement, Charging instructions, Circuit breaker/relay

replacement, Instrument panel replacement, Vacuum fan motor brush replacement, Scrub brush brush

replacement, Electrical schematic, and Electrical troubleshooting.

Manual Number – 330735

Revision: 00

Published: 3–01

GENERAL INFORMATION

1-1

5400330735 (3–01)

CONTENTS

Page

SAFETY PRECAUTIONS 1–3. . . . . . . . . . . . . .

SPECIFICATIONS 1–5. . . . . . . . . . . . . . . . . . . .

MACHINE DIMENSIONS –610mm (24 in)

and 660mm (26 in) DISK MODELS 1–6

MACHINE DIMENSIONS –610mm (24 in)

CYLINDRICAL BRUSH MODEL 1–7. . .

TROUBLESHOOTING 1–8. . . . . . . . . . . . . . . . .

MACHINE JACKING 1–10. . . . . . . . . . . . . . . . . .

MACHINE TRANSPORTING 1–10. . . . . . . . . .

STORING MACHINE 1–11. . . . . . . . . . . . . . . . .

TO STORE MACHINE 1–11. . . . . . . . . . . . .

STORAGE INFORMATION 1–11. . . . . . . . . . . .

HARDWARE INFORMATION 1–12. . . . . . . . . .

STANDARD BOLT TORQUE CHART 1–12

METRIC BOLT TORQUE CHART 1–12. . .

BOLT IDENTIFICATION 1–12. . . . . . . . . . . .

THREAD SEALANT AND LOCKING

COMPOUNDS 1–12. . . . . . . . . . . . . . . . .

GENERAL INFORMATION

1-2 5400330735 (3–01)

GENERAL INFORMATION

1-3

5400330735 (3–01)

SAFETY PRECAUTIONS

This machine is intended for industrial and

commercial use. It is suited to scrub hard floors in

an indoor environment and is not constructed for

any other use. Use only recommended pads,

brushes and cleaning detergents.

The following safety alert symbols are used

throughout this manual as indicated in their

description.

WARNING: To warn of hazards or unsafe

practices which could result in severe

personal injury or death.

FOR SAFETY: To identify actions which must

be followed for safe operation of equipment.

The following information signals potentially

dangerous conditions to the operator or

equipment:

FOR SAFETY:

1.. Do not operate machine:

–Unless trained and authorized.

–Unless operation manual is read and

understood.

–In flammable or explosive areas unless

designed for use in those areas.

2.. Before starting machine:

–Make sure all safety devices are in

place and operate properly.

3.. When using machine:

–Go slow on inclines and slippery

surfaces.

–Use care when reversing machine.

–Do not carry riders on machine.

–Always follow safety and traffic rules.

–Report machine damage or faulty

operation immediately.

4.. Before leaving or servicing machine:

–Stop on level surface.

–Turn off machine.

–Set parking brake, if equipped.

5.. 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. Block machine up with

jack stands.

–Use hoist or jack of adequate capacity

to lift machine.

–Wear eye and ear protection when

using pressurized air or water.

–Disconnect battery connections before

working on machine.

–Wear protective gloves when handling

batteries or battery cables.

–Avoid contact with battery acid.

–Use manufacturer supplied or

approved replacement parts.

WARNING: Batteries emit hydrogen gas.

Explosion or fire can result. Keep sparks and

open flame away. Keep covers open when

charging.

WARNING: Flammable materials can

cause an explosion or fire. Do not use

flammable materials in tank(s).

WARNING: Flammable materials or

reactive metals can cause explosion or fire.

Do not pick up.

WARNING: Moving parts. Turn off power

before working on machine.

WARNING: Actuator pinch point. Stay

clear of head lift area.

GENERAL INFORMATION

1-4 5400330735 (3–01)

The safety labels appear on the machine in the

locations indicated. Replace labels if they become

damaged or illegible.

FOR SAFETY LABEL –LOCATED

ON THE SOLUTION FLOW PANEL.

FOR SAFETY: Do not operate

machine unless operation manual

is read and understood. MOVING PARTS LABEL –LOCATED

ON THE SCRUB HEAD SHROUD.

WARNING: Moving parts. Turn off

power before working on machine.

FLAMMABLE MATERIALS LABEL –

LOCATED ON THE RECOVERY TANK

COVER.

WARNING: Flammable materials

can cause an explosion or fire. Do

not use flammable materials in

tank(s). Flammable materials or

reactive metals can cause explosion

or fire. Do not pick up.

BATTERY CHARGE LABEL –

LOCATED ON THE RECOVERY TANK

COVER AND BOTTOM SIDE OF

RECOVERY TANK.

WARNING: Batteries emit

hydrogen gas. Explosion or fire

can result. Keep sparks and open

flame away. Keep covers open

when charging.

GENERAL HAZZARD

LABEL –LOCATED ON

THE ACTUATOR

MOUNTING BRACKET

WARNING: Actuator

pinch point. Stay clear

of head lift area.

GENERAL INFORMATION

1-5

5400330735 (3–01)

SPECIFICATIONS

MODEL 610mm (24 in)

Disk Head 660mm (26 in)

Disk Head 610mm (24 in)

Cylindrical Head

LENGTH 1270mm (50 in) 1289mm (50.75 in) 1359mm (53.50 in)

WIDTH / WIDTH WITH SCRUB HEAD 559mm (22 in) /

641mm (25.25 in) 559mm (22 in) /

699mm (27.5 in) 559mm (22 in) /

667mm (26.25 in)

HEIGHT 1041mm (41 in) 1041mm (41 in) 1041mm (41 in)

WEIGHT 142 kg (314 lb) / 260

Kg (570 lb) with bat-

teries

142 kg (314 lb) / 260

Kg (570 lb) with bat-

teries

142 kg (314 lb) / 260

Kg (570 lb) with bat-

teries

RECOVERY TANK CAPACITY 80 L (21 Gal) 80 L (21 Gal) 80 L (21 Gal)

SOLUTION TANK CAPACITY 80 L (21 Gal) 80 L (21 Gal) 80 L (21 Gal)

ESOPTION SOLUTION FILL CAPACITY 117 L (31 Gal) 117 L (31 Gal) 117 L (31 Gal)

DRIVE SYSTEM Transaxle, 24 V, 19

kw (.25 hp) Transaxle, 24 V, 19

kw (.25 hp)

CLEANING RATE 2415 m2per hour

(26,000 sq ft) 2601 m2per hour

(28,000 sq ft) 2415 m2per hour

(26,000 sq ft)

CLEANING PATH WIDTH 610mm (24 in) 660mm (26 in) 610mm (24 in)

PAD PRESSURE Variable 0–54 kg

(0–120 lb) Variable 0–54 kg

(0–120 lb) Variable 0–41 kg

(0–90 lb)

SQUEEGEE WIDTH 839mm (33 in) 839mm (33 in) 839mm (33 in)

TOTAL POWER CONSUMPTION 60 Amp nominal 60 Amp nominal 60 Amp nominal

BRUSH MOTOR Two –.75 h.p., 270

rpm, 24 V, 33 A Two –.75 h.p., 270

rpm, 24 V, 33 A Two –.63 h.p., 1700

rpm, 670 brush rpm,

24 V, 23 A

VACUUM MOTOR .75 h.p., 3–stage 5.7

in, 24 V, 21 A .75 h.p., 3–stage 5.7

in, 24 V, 21 A

WATER LIFT 1829mm (72 in) 1829mm (72 in) 1829mm (72 in)

BATTERIES Four –6 V, 235 AH Four –6 V, 235 AH Four –6 V, 235 AH

RUN TIME PER CHARGE Up to 2.5 hours Up to 2.5 hours Up to 2.5 hours

DECIBEL RATING AT OPERATOR’S EAR,

INDOORS ON TILE. 74 dB(A) 74 dB(A) 74 dB(A)

GENERAL INFORMATION

1-6 5400330735 (3–01)

MACHINE DIMENSIONS –610mm (24 in) and 660mm (26 in) DISK MODELS

641mm (25.25 in)

559mm (22 in)

1041mm (41 in)

839mm (33 in)

*699mm (27.5 in)

* Dimensions apply to 660 mm (26 in) disk models only

1270mm (50 in)

*1289mm (50.75 in)

GENERAL INFORMATION

1-7

5400330735 (3–01)

MACHINE DIMENSIONS –610mm (24 in) CYLINDRICAL BRUSH MODEL

667 mm

(26.25 in)

559 mm

(22 in)

1359 mm

(53.5 in)

1041 mm (41 in)

839 mm (33 in)

GENERAL INFORMATION

1-8 5400330735 (3–01)

TROUBLESHOOTING

PROBLEM CAUSE SOLUTION

Machine will not Faulty key switch Contact Service Center

turn on Batteries need charging See CHARGING BATTERIES

Faulty battery(s) Replace battery(s)

Loose battery cable Tighten loose cable

MAIN circuit breaker has tripped Determine cause and reset breaker

Optional power kill button activated Turn button clockwise to reset

Brush motors will not Faulty brush switch Contact Service Center

turn on Control grips not rotated Rotate grips

Brush circuit breaker has tripped Replace pad or adjust pad pressure

and reset brush circuit breaker button

Faulty brush motor or wiring Contact Service Center

Worn carbon brushes Contact Service Center

Faulty brush solenoid Contact Service Center

Vacuum motor will not Faulty vacuum switch Contact Service Center

turn on Squeegee is raised off floor Lower squeegee

Main circuit breaker has tripped Remove obstruction and reset circuit

breaker button

Vacuum motor circuit breaker has

tripped Determine cause and reset circuit

breaker button

Faulty vacuum motor or wiring Contact Service Center

Worn carbon brushes Contact Service Center

Little or no solution Solution switch is not activated Turn on solution switch

flow Clogged solution line or solution tank

filter Remove hose and blow compressed

air through it. Flush solution tank after

each use

Clogged solution valve or solenoid Remove valve or solenoid and clean.

Do not scratch inside of valve

Faulty solution switch or solenoid Contact Service Center

Solution flow knob not activated Turn solution flow knob

Loose set screw on solution knob Calibrate knob and tighten screw

Poor Scrubbing Brushes/pads out of adjustment See ADJUSTING SCRUB HEAD

Performance Worn Brushes/pads Replace brushes/pads

Debris caught in brushes/pads Remove debris

Low tire pressure Increase tire pressure

Low battery charge Charge batteries

Incorrect brush/pad pressure Readjust brush/pad pressure

Broken Brush belt (cylindrical brush) Replace belts

Poor Drive Traction Pad pressure set too high Decrease brush pressure

Tires slipping Contact distributor for advice

Uneven brush pressure Level scrub head

Broken brush belt (cylindrical brush) Replace belt

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