Tennant EX-SC-716 Manual de usuario

EX--SC--716

Model Part No.:

9007484 -- EX--SC--716 (120V)

9007532

Rev. 00 (04-2010)

*9007532*

Operator Manual EN

Manual del Operario ES

Manuel Opérateur FR

www.nobles.com

www.tennantco.com

Self-Contained Carpet Extractor

Aspirador para moquetas con

depósito incorporado

Nettoyeur de moquettes autonome

EN OPERATION

EX--SC--716 (04--10)

This manual is furnished with each new model.

It provides necessary operation and maintenance

instructions.

Read this manual completely and understand the

machine before operating or servicing it.

This machine will provide excellent service. However,

the best results will be obtained at minimum costs if:

SThe machine is operated with reasonable care.

SThe machine is maintained regularly - per the

machine maintenance instructions provided.

SThe machine is maintained with

manufacturer--supplied or equivalent parts.

Parts and supplies may be ordered online, by phone,

byfaxorbymail.

UNCRATING MACHINE: Carefully check carton for

signs of damage. Report damages at once to carrier.

PROTECT THE ENVIRONMENT

Please dispose of packaging materials

and old machine components in an en-

vironmentally safe way according to lo-

cal waste disposal regulations.

Always remember to recycle.

Tennant Company

PO Box 1452

Minneapolis, MN 55440 USA

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

www.tennantco.com

www.nobles.com

Specifications and parts are subject to change without notice.

MACHINE DATA

Please fill out at time of installation

for future reference.

Model No. --

Serial No. --

Machine Options --

Sales Rep. --

Sales Rep. phone no. --

Customer Number --

Installation Date --

TABLE OF CONTENTS

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

GROUNDING INSTRUCTIONS 4...........

SAFETY LABEL 4............................

MACHINE COMPONENTS 5...................

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

MACHINE OPERATION 6.....................

PRE--OPERATION 6.......................

CLEANING CARPETS 7...................

WHILE OPERATING 7.....................

OPERATING ACCESSORY TOOLS

(OPTIONAL) 8...........................

ADJUSTING BRUSH HEIGHT 8................

DRAINING TANKS 8..........................

DRAINING RECOVERY TANK 8............

DRAINING LEFTOVER CLEANING

SOLUTION 9.............................

MACHINE MAINTENANCE 9..................

DAILY MAINTENANCE 9...................

MONTHLY MAINTENANCE 10...............

SERVICING MACHINE: 10..................

STORING MACHINE 10........................

RECOMMENDED STOCK ITEMS 10.............

TROUBLE SHOOTING 11......................

SPECIFICATIONS 12..........................

MACHINE DIMENSIONS 12....................

OPERATION EN

EX--SC--716 (04--10)

SAFETY PRECAUTIONS

This machine is intended for commercial use. It is

designed exclusively to clean carpet and

upholstery in an indoor environment and is not

constructed for any other use. Use only

recommended accessory tools and commercially

available carpet cleaners intended for machine

application.

All operators must read, understand and practice

the following safety precautions.

The following warning alert symbol and the “FOR

SAFETY” heading 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.

Failure to follow these warnings may result in

personal injury, electrical shock, fire or explosion.

WARNING: Fire Or Explosion Hazard:

-- Never Use Flammable Liquids Or Operate

Machine in Or Near Flammable Liquids, Vapors

Or Combustible Dusts.

This machine is not equipped with explosion proof

motors. The electric motors will spark upon start up

and during operation which could cause a flash fire

or explosion if machine is used in an area where

flammable vapors/liquids or combustible dusts are

present.

-- Do Not Pick Up Flammable Materials Or

Reactive Metals.

WARNING: Electrical Hazard. Do Not Operate

With Damaged Power Cord. Do Not Modify Plug.

Unplug power Cord Before Servicing Machine.

If the supply cord is damaged or broken, it must be

replaced by the manufacturer or it’s service agent

or a similarly qualified person in order to avoid a

hazard.

WARNING: Spinning Brush. Keep Hands

Away. Turn Off Power Before Working On Machine.

WARNING: Electrical Shock Hazard.

Do Not Use Outdoors. Do Not Expose To Rain.

Store Indoors.

The following information signals potentially

dangerous conditions to the operator or

equipment:

FOR SAFETY:

1. Do not operate machine:

-- With flammable liquids or near flammable

vapors as an explosion or flash fire may

occur.

-- Unless trained and authorized.

-- Unless operator manual is read and

understood.

-- Unless cord is properly grounded.

-- With damaged cord or plug.

-- If not in proper operating condition.

-- In outdoor areas.

-- In standing water.

-- With the use of additional extension cords.

Only use manufacturer’s extension cord

equipped with machine which has proper

capacity and is grounded.

2. Before operating machine:

-- Make sure all safety devices are in place

and operate properly.

-- Place wet floor signs as needed.

3. When using machine:

-- Do not run machine over cord.

-- Do not pull machine by plug or cord.

-- Do not pull cord around sharp edges or

corners.

-- Do not unplug by pulling on cord.

-- Do not stretch cord.

-- Do not handle plug with wet hands.

-- Keep cord away from heated surfaces.

-- Report machine damage or faulty operation

immediately.

-- Follow mixing and handling instructions on

chemical containers

-- Never allow children to play on or around.

4. Before leaving or servicing machine:

-- Turn off machine.

-- Unplug cord from wall outlet.

5. When servicing machine:

-- Unplug cord from wall outlet.

-- Avoid moving parts. Do not wear loose

jackets, shirts, or sleeves.

-- Use manufacturer supplied or approved

replacement parts.

-- All repairs must be performed by a

qualified service person.

-- Do not modify the machine from its original

design.

EN OPERATION

EX--SC--716 (04--10)

6. When transporting machine:

-- Get assistance when lifting machine.

-- Unplug cord from wall outlet.

-- Use tie--down straps to secure machine to

truck or trailer.

GROUNDING INSTRUCTIONS

Machine must be grounded. If it should

malfunction or breakdown, grounding provides a

path of least resistance for electrical current to

reduce the risk of electrical shock. This machine is

equipped with a cord having an

equipment--grounding conductor and grounding

plug. The plug must be plugged into an

appropriate outlet that is properly installed in

accordance with all local codes and ordinances.

Do not remove ground pin; if missing, replace plug

before use.

Grounded

3HoleOutlet

Ground Pin

SAFETY LABEL

The safety label appears on the machine in the location indicated. Replace label if it is missing or becomes damaged

or illegible.

WARNING LABEL -- Located on back of control

console.

OPERATION EN

EX--SC--716 (04--10)

MACHINE COMPONENTS

10 11

1. Recovery Tank Dome

2. Pick-up Vacuum Hose

3. Solution Tank Dust Cover

4. Brush Height Adjustment Knob

5. Brush Housing

6. Vacuum Head

7. Extension Power Cord

8. Cord Strain-Relief Clip (Belt)

9. 254 mm (10 in) Stair Climbing Wheels

10. Master Switch (Vacuum and Pump)

11. Carpet Cleaning Button (Brush)

12. Spray Bar

13. Pump Circuit breaker

14. Brush Circuit breaker

15. Vacuum Circuit breaker

16. Power Cord Pigtail

17. Drain Valve T--Handle

18. Recovery Tank Drain Spout

19. Accessory Tool Solution Hose Quick Coupler

EN OPERATION

EX--SC--716 (04--10)

MACHINE SETUP

1. Carefully check carton for signs of damage. Report

damages at once to carrier. The machine is

shipped fully assembled and is ready for operation.

2. Fill solution tank with 30.8L (7 gal) of hot water, 60°C

(140°F) maximum (Figure 1).

NOTE: The water must not be hotter than 60_C

(140_F) or tank damage may occur.

NOTE: Use different buckets to fill and drain machine

to prevent solution system clogs.

FIG. 1

WARNING: Fire or Explosion Hazard. Never

Use Flammable Liquids.

3. Add a recommended cleaning solution. Follow

bottle’s mixing instructions.

FOR SAFETY: When using machine, follow mixing

and handling instructions on chemical containers.

ATTENTION: If using powdered cleaning

chemicals, mix prior to adding.

NOTE: If desired, hot water alone achieves excellent

cleaning results.

4. Close lid after filling.

MACHINE OPERATION

FOR SAFETY: Do not operate machine unless

operator manual is read and understood.

WARNING: Fire Or Explosion Hazard. Never

Use Flammable Liquids Or Operate Machine in Or

Near Flammable Liquids, Vapors Or Combustible

Dusts.

PRE--OPERATION

1. Vacuum carpet to remove particles and other

debris.

2. Inspect power cord for damage.

WARNING: Electrical Hazard. Do Not Operate

With Damaged Power Cord. Do Not Modify Plug.

Unplug power Cord Before Servicing Machine.

If the supply cord is damaged or broken, it must be

replaced by the manufacturer or it’s service agent

or a similarly qualified person in order to avoid a

hazard.

3. Plug power cord into a grounded wall outlet

(Figure 2).

Grounded

3HoleOutlet

Ground Pin

FIG. 2

FOR SAFETY: Do not operate machine with the

use of additional extension cords. Only use

manufacturer’s extension cord equipped with

machine which has proper capacity and is

grounded.

OPERATION EN

EX--SC--716 (04--10)

CLEANING CARPETS

1. Turn on Master switch (Figure 3).

FIG. 3

2. Press and hold in Carpet Cleaning button. Pull

machine towards you, 1.5m (4 ft) at a time. For

best cleaning results, lift machine handle slightly

while pulling backward. This transfers weight of

machine to the vacuum head for best water

recovery (Figure 4).

FIG. 4

3. At end of path, release the Carpet Cleaning button

and continue to pull machine towards you another

30 cm (1 ft) to pick up un--recovered spray. Push

down on handle and move machine to next area to

be cleaned. Overlap each path by 50 mm (2 in).

WARNING: Fire Or Explosion Hazard. Do Not

Pick Up Flammable Materials Or Reactive Metals.

WHILE OPERATING

1. If necessary, adjust brush height to accommodate

type of carpet (See ADJUSTING BRUSH

HEIGHT).

2. Work away from wall outlet and power cord to

prevent cord damage.

3. Check for excessive foam buildup in recovery tank.

Use a recommended foam control solution to

prevent motor damage (Figure 5).

FIG. 5

ATTENTION: Do not allow foam to enter vacuum

screen. Damage to vacuum motor will result. This

damage is not covered by warranty.

4. If the brush or vacuum motor should stop, circuit

breaker may have tripped. Turn off machine,

unplug power cord and check for any obstructions.

Let motor cool and manually reset circuit breaker

button, located on bottom of switch box (Figure

6NO TAG).

FIG. 6

WARNING: Electrical Hazard. Unplug power

Cord Before Servicing Machine.

WARNING: Spinning Brush. Keep Hands

Away. Turn Off Power Before Working On Machine.

EN OPERATION

EX--SC--716 (04--10)

5. After cleaning, perform the daily maintenance

procedures.

NOTE: Allow up to one hour for carpet to dry. Use air

movers to reduce drying time.

OPERATING ACCESSORY TOOLS (OPTIONAL)

1. Disconnect vacuum hose from recovery tank dome

and connect accessory vacuum hose (Figure 7).

2. Connect accessory solution hose to quick coupler,

located at rear of machine (Figure 7).

FIG. 7

3. Attach desired accessory tool to hoses.

4. Turn on Master switch.

5. Begin operating accessory tool (Figure 8).

FIG. 8

WARNING: Fire Or Explosion Hazard. Do Not

Pick Up Flammable Materials Or Reactive Metals.

NOTE: When cleaning upholstery, always check

cleaning instructions sewn in furniture by manufacturer.

6. After operating accessory tool, relieve water

pressure from tool before disconnecting hose.

Squeeze trigger for five seconds after turning off

switches.

ADJUSTING BRUSH HEIGHT

1. Turn off machine and unplug power cord from wall

outlet.

WARNING: Electrical Hazard. Unplug power

Cord Before Servicing Machine.

WARNING: Spinning Brush. Keep Hands

Away. Turn Off Power Before Working On Machine.

2. Adjust brush to proper height. Turn height

adjustment knob until bristles slightly touch carpet,

then turn knob another half turn. Turn knob

clockwise to raise and counterclockwise to lower

(Figure 9).

FIG. 9

DRAINING TANKS

WARNING: Electrical Hazard. Unplug power

Cord Before Servicing Machine.

NOTE: Use different buckets to fill and drain machine

to prevent solution system clogs.

DRAINING RECOVERY TANK

1. When solution tank runs dry, recovery tank must be

emptied. To empty recovery tank, turn off machine

and position a discharge bucket under drain valve

down spout.

NOTE: Use different buckets to fill and drain machine

to prevent solution system clogs.

OPERATION EN

EX--SC--716 (04--10)

2. Pull the T--handle on drain valve to empty dirty

water (Figure 10).

FIG. 10

3. Close drain valve before continuing operation.

DRAINING LEFTOVER CLEANING SOLUTION

When finished cleaning, use the 1 m (3 ft) clean-out

hose to vacuum out the remaining water from solution

tank.

1. Connect the clean--out hose to recovery tank dome

(Figure 11).

FIG. 11

2. Turn the Master Pump Extension Tool switch on

and vacuum out the remaining solution from the

tank.

3. Drain recovery tank.

MACHINE MAINTENANCE

To keep machine in good working condition, simply

follow machine’s daily and monthly maintenance

procedures.

WARNING: Electrical Hazard. Unplug power

Cord Before Servicing Machine.

Contact an Authorized Service Center for machine

repairs.

FOR SAFETY: When servicing machine, all repairs

must be performed by a qualified service person.

DAILY MAINTENANCE

(After Every Use)

1. Drain and rinse out tanks thoroughly (See Draining

Tanks).

2. Rinse out the recovery tank dome.

3. Remove recovery tank screen and clean (Figure

12).

FIG. 12

4. Remove and clean the two tank screens located in

the bottom of the solution tank.

5. Remove any entangled carpet fibers and debris in

brush.

6. Remove any clogged debris in vacuum head.

7. Check power cord for damage, replace if damaged.

Coil cord neatly after each use.

If the supply cord is damaged or broken, it must be

replaced by the manufacturer or it’s service agent

or a similarly qualified person in order to avoid a

hazard.

8. Inspect spray pattern for plugging. If plugged,

remove spray tips and soak in acetic acid solution

for up to six hours. Do not use pointed objects to

unplug tips, damage will occur.

FOR SAFETY: When using machine, follow mixing

and handling instructions on chemical containers.

9. Clean machine with a nonabrasive, non--solvent

cleaner.

ATTENTION: Do not power spray or hose off

machine. Electrical component damage may result.

EN OPERATION

EX--SC--716 (04--10)

MONTHLY MAINTENANCE

(Every80HoursofUse)

1. Flush the pump system with an acetic acid solution

to dissolve normal alkaline chemical buildup.

Follow instructions below:

FOR SAFETY: When using machine, follow mixing

and handling instructions on chemical containers.

a. Premix .5 L (16 oz) of an acetic acid solution

with 7.5 L (2 gal) of hot water, 60_C (140_F)

maximum, and pour into solution tank.

NOTE: The water must not be hotter than 60_C

(140_F) or tank damage may occur.

NOTE: If filling with a bucket be certain that bucket is

clean. This will prevent possible solution line clogs.

b. Turn machine on.

c. Position brush housing over floor drain and

operate machine for one minute.

d. Turn off machine and allow remaining solution

to break down alkaline buildup overnight.

e. Next day, spray out remaining solution and

flush system with 11 L (3 gal) of clean water.

2. Lubricate wheels with a water resistant oil.

3. Inspect machine for water leaks.

4. Inspect machine for loose screws.

SERVICING MACHINE:

For ease of servicing, the machine’s tanks are hinged

to pivot away from metal chassis to allow access to

inner components.

ATTENTION: Make sure tanks are empty before

opening.

1. Remove two rear hex--head screws, located under

chassis rear wheels.

2. Remove two Allen head screws.

3. Remove two remaining hex--head screws located

at front of chassis.

4. Lift tanks upward, away from chassis. The vacuum

tool will pivot upward with tanks.

STORING MACHINE

1. Before storing machine, be certain to flush tanks

and drain machine of all water.

2. Store machine in a dry area in the upright position

with brush raised off floor.

3. Remove recovery dome to promote air circulation.

ATTENTION: If storing machine in freezing

temperatures, be sure that machine, pump and

spraying system are completely drained and dry.

Damage due to freezing temperatures is not

covered by warranty.

WARNING: Electrical Shock Hazard.

Do Not Use Outdoors. Do Not Expose To Rain.

Store Indoors.

RECOMMENDED STOCK ITEMS

Refer to the Parts List manual for recommended stock

items. Stock Items are clearly identified with a bullet

preceding the parts description. See example below:

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