Tennant BR2020 Bedienungsanleitung

604742

Rev. 00 (0498)

BR2020/T

Dust Control Burnisher

Model No.:

BR2020  604778

BR2020T  604777

Operator Manual EN

EN ENGLISH

2BR2020/T(04–98)

This manual is furnished with each new BR2020/T

Model. It provides necessary machine operation

and maintenance instructions.

Read this manual completely and understand

the machine before operating or servicing.

This machine will provide excellent service.

However, the best results will be obtained at

minimum costs if:

The machine is operated with reasonable care.

The machine is maintained regularly - per the

maintenance instructions provided.

The machine is maintained with manufacturer

supplied or equivalent parts.

MACHINE DATA

Pleasefill out at time of installation for future reference.

Model No.-

Install. Date -

Serial No.-

1998 Tennant Company Printed in U.S.A

TABLE OF CONTENTS

SAFETY PRECAUTIONS 3. . . . . . . . . . . . . . . .

RECOMMENDED STOCK ITEMS 3. . . . . . . . .

MACHINE COMPONENTS 4. . . . . . . . . . . . . . .

CONTROL PANEL SYMBOLS 4. . . . . . . . . . .

MACHINE INSTALLATION 5. . . . . . . . . . . . . . .

MACHINE SETUP 6. . . . . . . . . . . . . . . . . . . . . .

MACHINE OPERATION 7. . . . . . . . . . . . . . . . .

CHARGING BATTERIES 9. . . . . . . . . . . . . . . .

MAINTENANCE 10. . . . . . . . . . . . . . . . . . . . . . . .

TRANSPORTING MACHINE 11. . . . . . . . . . . . .

STORING MACHINE 11. . . . . . . . . . . . . . . . . . . .

SPECIFICATIONS 11. . . . . . . . . . . . . . . . . . . . . .

TROUBLE SHOOTING 12. . . . . . . . . . . . . . . . . .

EC DECLARATION OF CONFORMITY FOR MACHINERY (Directive 89//392/EEC,Annex II, sub A)

TENNANT N.V.

Address: Industrielaan 6 5405 AB

P.O. Box 6 5400 AA Uden–The Netherlands

Model: BR2020, BR2020T nr.: 604778, 604777

– is in conformity with the provisions of the Machinery Directive ( Directive 89/392/EEC),

as amended, and with national implementing legislation;

– is in conformity with the provisions of the following other EEC directives:

– the following ( parts/clauses of) harmonized standards have been applied:

EN 292–1, EN 292–2, EN 294, EN 349, EN 563, EN 60204–1, EN 60335–1 ...

– the following (parts/clauses of) national technical standards and specifications have been used: NA

Uden/Netherlands, 03–02–98

Stephan Martens – Technical Support Engineer

ENGLISH EN

BR2020/T(04–98) 3

SAFETY PRECAUTIONS

This machine is intended for commercial use. It is

designed to burnish smooth floors in an indoor

environment and is not constructed for any other

use. Use only recommended burnishing pads.

All operators must read, understand and

practice the following safety precautions.

The following safety alert symbol is used

throughout this manual as indicated in their

description:

WARNING: It warns the operator of

hazards and unsafe practices which could

result in severe personal injury or death.

CAUTION: It warns the operator of

unsafe practices which could cause damage

to the equipment.

The following information signals potentially

dangerous conditions to the operator or

equipment:

1. DO NOT OPERATE, MAINTAIN OR

SERVICE MACHINE:

– Unless trained and authorized.

– Unless operator manual is read and

understood.

– If it is not in proper operating

condition.

2. WHEN OPERATING MACHINE:

– Remove loose objects on floor. Loose

objects may become dangerous

projectiles if struck by revolving pad.

– Keep hands and feet away from

revolving pad.

– Keep machine moving to prevent

damage to finish or floor.

– Do not run machine where flammable

liquids or gases are present.

– Do not run on ramps or inclines

unless adequate personnel are present

for assistance.

– Always use extreme caution when

maneuvering.

3. BEFORE LEAVING OR SERVICING

MACHINE:

– Make sure machine is turned off and

key is removed.

– Stop on level surface.

– Set parking brake if equipped.

– Disconnect batteries.

WARNING: Always disconnect batteries

before servicing machine. Hazardous Voltage.

Shock or electrocution can result.

WARNING: Keep sparks and open flame

away. Batteries emit hydrogen gases,

explosion or fire can result.

WARNING: Charge batteries in a well

ventilated area and keep hood propped open.

Batteries emit hydrogen gas. Explosion or fire

can result. Keep sparks and open flame away.

WARNING: Wear protective gloves and

shield eyes when servicing batteries. Battery

acid can cause burns.

CAUTION: Do not store outdoors and

avoid getting wet.

CAUTION: The use of supplies other than

those recommended by manufacturer may

cause damage.

RECOMMENDED STOCK ITEMS

Refer to the Parts List for recommended stock

items. Stock Items are clearly identified with a

Bullet preceding the parts description. See

example below:

EN ENGLISH

4BR2020/T(04–98)

MACHINE COMPONENTS

19 20

1. Adjustable Control Console

2. Control Grips

3. Console Height Adjustment Levers

4. Main ON/OFF Switch

5. Pad ON/OFF Switch (BR2020T)

6. Pad Pressure Switch

7. Battery Meter

8. Pad Pressure Meter

9. Speed Control Knob (BR2020T)

10. Reverse Trigger (BR2020T)

11. Main Circuit Breaker Button

12. Key Switch

13. Power Kill Button

14. Hour Meter

15. Rear Tilt Wheels – for pad installation

16. Automatic Safety Shut–Off Switch

– for pad installation

17. Dust Control Bag Compartment

18. Wall Rollers

19. Battery Compartment Hood

20. Battery Charge Plug

21. Pad Driver

22. Main Wheels

23. Parking Brake (BR2020T)

CONTROL PANEL SYMBOLS

MainPower

Pad Motor

Circuit Breaker

Main Power

Circuit Breaker Read Manual

Before Operating

Battery

Charge Meter

Fast Speed

Slow Speed

Reverse

Pad Less Pad

Pressure

More Pad

Pressure

Pad Pressure

Meter

Parking Brake

ENGLISH EN

BR2020/T (04–98) 5

MACHINE INSTALLATION

UNCRATING MACHINE

Carefully check carton for signs of damage.

Report damages at once to carrier.

To uncrate your machine, remove straps and

carefully lift or use a ramp to remove machine

from pallet.

ATTENTION: To prevent dust skirt

damage, carefully TILT machine back when

removing from shipping crate.

CAUTION: Install batteries

after

removing

machine from pallet.

INSTALLING BATTERIES

WARNING: Wear protective gloves and

shield eyes when handling batteries. Battery

acid can cause burns.

WARNING: Keep sparks and open flame

away. Batteries emit hydrogen gases,

explosion or fire can result.

Recommended Battery Specifications:

Three 12 volt deep cycle batteries. Consult with

an Authorized Distributor for specific batteries.

Maximum battery dimensions are 78 mm W x 394

mm L x 362mm H.

FOR SAFETY: To prevent accidental

starting, be certain key is removed.

1. Position machine on a level surface and set

parking brake.

Set Parking Brake

2. Turn OFF all switches and remove key.

3. Unlatch battery hood latches and open battery

compartment. Remove loose battery cables.

Open Battery Compartment

4. Carefully install batteries into battery tray and

arrange battery posts as shown. After

batteries are in place remove battery handles

to allow clearance for battery hood.

BATTERY TRAY

CHARGER PLUG

MACHINE

FRONT

Battery Arrangement

WARNING: Do not drop batteries into

compartment! Battery and machine housing

damage may result. This damage is not

covered by Warranty.

5. Connect cables to battery posts as shown.

(RED TO POSITIVE & BLACK TO

NEGATIVE)

CONNECT LAST

–

CHARGER PLUG

MACHINE

FRONT

BLK

RED 31

RED

Connect Battery Cables

6. Double check cable connections and close

hood, fasten hood latches.

EN ENGLISH

6BR2020/T(04–98)

MACHINE SETUP

INSTALLING PAD

1. Turn off key and tilt machine back on rear

wheels.

FOR SAFETY: When machine is tilted back it

will automatically shut off power to pad

motor.

Tilt Machine back to Install Pad

CAUTION: Do not leave machine tilted

back for an extended time, battery acid may

leak.

2. Remove plastic center lock from pad driver by

turning lock counterclockwise.

3. Position pad centered on pad driver and

replace centerlock securely.

Installing Pad

IMPORTANT: Consult your authorized

distributor for pad recommendations.

Pad Specifications:

For 2000 RPM Burnishing.

1”/25,4 mm Thickness

20”/508mm Diameter with 3.5”/89mm center hole.

NOTE:

Machine is not designed for spray buffing.

CAUTION: Make sure centerlock does not

cross thread or floor damage may occur.

CAUTION: Do not operate machine

without a pad and/or centerlock in place.

4. Return machine to operating position.

INSTALLING DUST CONTROL BAG

1. Open dust control bag compartment at front

of machine.

2. Slide bag on plastic snout. Close

compartment.

Installing Dust Control Bag

3. Empty or replace bag daily. Do not allow bag

to fill beyond half full.

ADJUSTING CONTROL GRIP HEIGHT

The machine has three control grip height

settings.

1. Locate two spring loaded levers below

console.

2. Squeeze levers together and lift or lower

control grips to a comfortable operating

height.

Adjusting Control Grip Height

ENGLISH EN

BR2020/T(04–98) 7

MACHINE OPERATION

Read and understand SAFETY PRECAUTIONS

section before operating machine.

PRE–OPERATION

1. Sweep floor and remove debris.

2. Check condition of pad.

3. Check battery charge level.

(For accurate

reading brush must be spinning)

4. Check that dust control bag is installed.

5. Make sure floor is dry.

BURNISHING WITH THE BR2020

1. Turn on key and main power switch.

2. Twist control grips forward to lower pad to

floor and to start pad motor.

Twist Grips to Activate Pad

3. Begin burnishing by pushing machine forward.

NOTE: If machine vibrates, realign pad.

CAUTION: Keep machine moving at all

times to prevent floor damage, .

4. Adjust pad pressure meter within Green

Zone. Press the Pad Pressure switch to

decrease or increase pressure. For best

results adjust needle as shown.

Meter Needle

GREEN

ZONE RED

ZONE

Pad Pressure Meter

CAUTION: Never operate in Red zone,

floor damage and brush motor overload may

result.

5. Release grips to stop burnishing. The pad will

automatically raise to the transport position.

CAUTION: When transporting machine

without burnishing, tilt machine back to

protect dust skirt.

BURNISHING WITH THE BR2020T

1. Release parking brake lever if set.

2. Turn on key, main power and brush switches.

3. Turn speed control knob to slowest speed.

This will prevent an abrupt take off.

Adjust Speed Control Knob

4. Twist control grips forward to begin

burnishing. Gradually turn speed control knob

to desired cleaning speed.

Twist Grips to Burnish

CAUTION: For first time users, operate at

a slow speed until maneuvering becomes

easy.

5. Adjust pad pressure meter within Green

Zone. Press the Pad Pressure switch to

decrease or increase pressure. For best

results adjust needle as shown.

EN ENGLISH

8BR2020/T(04–98)

Meter Needle

GREEN

ZONE RED

ZONE

Pad Pressure Meter

CAUTION: Never operate in Red zone,

floor damage and brush motor overload may

result.

NOTE: If machine vibrates, realign pad.

CAUTION: Keep machine moving at all

times to prevent floor damage.

6. To stop machine, release control grips.

7. To operate machine in reverse, release grips

and pull reverse trigger (one speed).

Reverse Trigger

8. To transport machine, turn off pad switch and

twist control grips. Pad will automatically raise

to the transport position.

Turn Off Pad Switch

CAUTION: When transporting machine

without burnishing, tilt machine back to

protect dust skirt.

WHILE OPERATING MACHINE

WARNING: Keep hands and feet clear of

revolving pad.

1. Tilt machine back when operating over

thresholds and other floor obstructions to

protect dust skirt.

2. Always operate with caution when burnishing

around walls and obstacles.

3. Always reduce speed to maintain control

when turning.

4. Stay clear of floor obstructions, such as

electrical plates or grates, they will destroy

pad.

5. Change or turn pads over when soiled.

6. Check battery meter’s discharge level

periodically. Recharge when needle drops to

the red zone.

CAUTION: Do not operate machine when

battery meter needle is in the red zone, battery

damage will result.

7. If pad motor circuit breaker trips, reduce pad

pressure and/or replace soiled pad.

8. To stop burnishing release control grips. The

pad will automatically raise to the transport

position.

FOR SAFETY: When machine is left

unattended, stop on level surface, remove key

and set parking brake if equipped.

EMERGENCY STOPPING

To stop machine during an emergency, hit the red

power kill button located at rear of control

console. The power kill button immediately stops

all power to machine.

To reset power kill button, shut off all switches and

turn kill button to the right. Resume to normal

operation.

Power Kill Button

ENGLISH EN

BR2020/T(04–98) 9

CIRCUIT BREAKERS

Machine is equipped with two resettable circuit

breakers, Main (15A) and Pad Motor (80A), to

protect machine from damage. If pad motor circuit

breaker should trip, determine cause, allow motor

to cool, then reset. Pad circuit breaker will trip due

to excessive pad overload. Change pad or reduce

pad pressure if breaker should trip. Pad motor

circuit breaker button is located under battery

hood at front of machine.

Resettable Circuit Breakers

CHARGING BATTERIES

ATTENTION: RECHARGE BATTERIES ONLY

AFTER A TOTAL OF 30 MINUTES OF USE OR

MORE. THIS WILL PROLONG BATTERY LIFE.

ATTENTION: The following charging

instructions are intended for supplied 36V

chargers only. Or use a charger with the

following specifications to prevent battery

damage.

CHARGER SPECIFICATIONS:

OUTPUT VOLTAGE - 36 VOLTS

OUTPUT CURRENT - 35 AMPS

AUTOMATIC SHUTOFF CIRCUIT

FOR DEEP CYCLE BATTERY CHARGING

ATTENTION: For optimum machine operation,

keep batteries charged at all times. Never let

batteries set in a discharge condition for lengthy

periods.

CAUTION: Do not operate machine when

battery meter needle is in the red zone, battery

damage will result.

WARNING: Charge batteries in a well

ventilated area. Batteries emit hydrogen gas.

Explosion or fire can result. Keep sparks and

open flame away.

WARNING: Shield eyes when servicing

batteries and avoid contact with battery acid.

1. Transport machine to a well ventilated area

for charging.

2. Park machine on a level surface and turn off

all switches. Set parking brake if equipped.

3. Unlatch battery hood and open battery

compartment.

Open Battery Compartment

4. Check fluid level ‘‘A” in each battery cell. Do

not charge batteries unless fluid is slightly

covering battery plates ‘‘B”. If needed, add

just enough fluid to cover battery plates, do

not overfill. Batteries can overflow during

charging due to expansion. Replace cell caps

before charging.

Check Battery Fluid Level

5. With charger disconnected from machine,

plug charger’s power cord into a grounded

wall outlet.

Grounded

Grounding

Edge/hole

Outlet

Connect Grounded Outlet

WARNING: To avoid an electrical hazard,

charger must be grounded while in use to

protect user from electric shock and serious

injury.

EN ENGLISH

10 BR2020/T(04–98)

6. Plug battery charger into machine’s charging

receptacle as shown. Flip up hood support

stand and rest hood on stand.

Charging Batteries

WARNING: Keep hood propped open

when charging batteries to promote

ventilation.

NOTE: Once the charger is connected to the

machine, machine becomes inoperable.

7. Charger will automatically begin charging and

shut off when fully charged.

8. When disconnecting charger, always unplug

charger from wall outlet first.

MAINTENANCE

WARNING: Before attempting any

maintenance procedures on machine; stop on

level surface, turn off key, set parking brake

and disconnect battery charger if charging

batteries.

WARNING: Before attempting any

machine repair; disconnect batteries. Repairs

must be performed by authorized personnel.

To keep machine in good working condition,

simply follow machines daily, weekly and monthly

maintenance procedures:

DAILY MAINTENANCE

1. Remove burnishing pad and clean or replace.

2. Empty or replace dust control bag.

3. Clean machine housing with damp cloth.

4. Recharge batteries.

ATTENTION: RECHARGE BATTERIES ONLY

AFTER A TOTAL OF 30 MINUTES OF USE OR

MORE. THIS WILL PROLONG BATTERY LIFE.

WEEKLY MAINTENANCE

1. Check fluid level in battery cells.

2. Clean battery tops of corrosion.

3. Check for loose or corroded battery cables.

MONTHLY MAINTENANCE

1. Lubricate caster with a water resistant grease.

2. Lubricate wheel grease fittings with a water

resistant grease (BR2020 Model).

3. Check machine for loose nuts and bolts.

4. Check condition of dust skirt, replace if worn.

EVERY 250 HOURS OF OPERATION

Check motor(s) for carbon brush wear, replace

brushes if worn to a length of 3/8” (1cm) or less.

BATTERY MAINTENANCE

WARNING: Keep sparks and open flame

away. Batteries emit hydrogen gas, explosion

or fire can result.

WARNING: Shield eyes when servicing

batteries. Avoid contact with battery acid and

keep all metal objects off batteries.

1. Always follow proper charging instructions.

(See CHARGING BATTERIES)

2. Each week after charging, check water level

in each battery cell. Fluid level (A) should

reach bottom of sight tubes (B). Add fluid if

necessary, do not overfill.

Correct Fluid Level After Charging

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