Kärcher A Plus SC21 Datenblatt

operators manual before using this product.

WARNING: To reduce the risk of injury, the user must read and understand the

SAVE THIS MANUAL FOR FUTURE REFERENCE

VERSION: A+SC21-SC24

ROTARY SURFACE CLEANER

Professional Pressure Washer Accessories

Operation Instruction and Parts List Manual

Size 21 inch / 24 inch

This manual contains:

IMPORTANT WARNINGS and INSTRUCTIONS. READ AND RETAIN FOR REFERENCE

Congratulations on the purchase of your new Rotary Surface Cleaner! You can be assured this Cleaner

was constructed and designed with quality and performance in mind. Each component has been

rigorously tested to ensure the highest level of acceptance.

Your Rotary Surface Cleaner is equipped with a heavy duty high pressure swivel with the versatility of

using this Cleaner in both cold and hot water applications. Simply connect the Rotary Surface Cleaner

to your pressure washer, pull the trigger and walk behind for fast and efﬁcient cleaning!

This manual was compiled for your beneﬁt. The contents of this manual are based on the latest product

information available at the time of publication. The manufacturer reserves the right to make changes in

price, color, material, equipment, speciﬁcations or models at any time without notice.

This manual contains information that is important for you to know and understand. This information

relates to protecting YOUR SAFETY and PREVENTING EQUIPMENT PROBLEMS. To help you

recognize this information, we use the symbols below. Please read the manual and pay attention to

these sections.

CAUTION indicates a potentially hazardous situation which,if not avoided, may result in minor or

moderate injury.

WARNING indicates a potentially hazardous situation which, if not avoided, could result in

death or serious injury.

ALWAYS PROVIDE A COPY OF THIS MANUAL TO ANYONE USING THIS EQUIPMENT. READ

ALL INSTRUCTIONS IN THIS MANUAL AND ANY INSTRUCTIONS SUPPLIED BY

MANUFACTURERS OF SUPPORTING EQUIPMENT BEFORE OPERATING THIS UNIT AND

ESPECIALLY POINT OUT THE "SAFETY WARNINGS" TO PREVENT THE POSSIBILITY OF

PERSONAL INJURY TO THE OPERATOR.

TABLE OF CONTENTS

INTRODUCTION

IMPORTANT

TABLE OF CONTENTS

INTRODUCTION

IMPORTANT

SAFETY WARNINGS

FEATURES

SPECIFICATIONS

INSTALLATION & PREPARATION

CLEAN UP WITH YOUR ROTARY

SURFACE CLEANER

OPERATION

PRODUCT EXPLODED AND

PARTS LIST

TROUBLESHOOTING

3-4

6-7

9-11

DANGER indicates a imminently hazardous situation which, if not avoided, will result in death or

serious injury.

-The Rotary Surface Cleaner is capable of accepting a maximum permissable rating

of 212°F. Operating temperature under normal operating conditions is 175°.

When using in a hot water application, do not touch or direct discharge stream

at persons. Be cautious of hose fittings as surface temperatures are the same as

the water temperature.

- Keep clear of nozzle and spray! Never put your hand, ﬁngers or body directly over

the spray nozzle. Keep hands and feet away from rotating spray arm and high

pressure discharge spray.

- This product is to be used only by trained operators. Always keep operating area

clear of all persons.

- DO NOT allow children to operate this unit.

- If an accident does occur, and the spray appears to have penetrated the skin,

SEEK EMERGENCY MEDICAL CARE. DO NOT TREAT AS A SIMPLE CUT!

Be prepared to tell a physician exactly what kind of cleaning agents you were using

by reading the Detergent Label and the Material Safety Data Sheet provided with

your detergent.

- High pressure hoses should be inspected daily for signs of wear. If evidence of

failure exists, promptly replace all suspect hoses to prevent the possibility of injury

from the high pressure spray. If a hose or ﬁtting is leaking, NEVER PLACE YOUR

HAND DIRECTLY ON THE LEAK.

- Before using rotary surface cleaner, or when quick connecting high pressure hoses,

be certain the "collar" on the female quick connect is locked securely to prevent

accidental discharge and that all quick coupler ﬁttings are secure.

- NEVER operate the gun with the trigger wired in the open position. To prevent

accidental discharge, the trigger gun should be securely locked when not in use.

- Do not make repairs or adjustments while unit is running.

- Before removing the spray nozzle or servicing the unit, ALWAYS shut off the unit

and trigger the gun to release trapped pressure. (Even after you shut off the unit,

there is high pressure water left in the unit until you release it by triggering the gun).

Allow the unit to cool down and service in a clean, dry, ﬂat area.

SAFETY WARNINGS

HAZARD

RISK OF INJECTION OR SEVERE CUTTING INJURY

POTENTIAL CONSEQUENCE

Serious injury or death could occur from high pressure spray penetrating the skin.

HAZARD

RISK OF BURNS

POTENTIAL CONSEQUENCE

Serious injury may occur from touching Hot Surfaces

- CAUTION: Operating while moving over any raised obstacle will damage surface

cleaner. If rotating spray arm strikes an object, causing a vibration, STOP and

replace spray arm assembly. Continued operation could result in serious injury or

damage to surface cleaner.

- SEEK EMERGENCY MEDICAL CARE if the spray appears to have penetrated the

skin! DO NOT TREAT AS A SIMPLE CUT! Be prepared to tell a physician exactly

what kind of cleaning agents you were using by reading the Material Safety Data

Sheet provided with your detergent.

- Never use any solvents or highly corrosive detergents or acid type cleaners with

this rotary surface cleaner.

- Protective equipment such as rubber suits, gloves and respirators are advisable,

especially when using cleaning detergents.

- Keep all detergents out of the reach of children!

- ALWAYS wear protective goggles when operating the unit to shield the eyes from

flying debris and detergents.

- DO NOT direct spray toward fragile materials such as glass—shattering could occur.

- Stay alert-watch what you are doing. Do not operate the unit when fatigued or

under the influence of alcohol or drugs.

- NEVER squeeze the trigger unless securely braced.

- DO NOT overreach or stand on unstable support.

- Wet surfaces can be slippery, wear protective foot gear and keep good footing and

balance at all times.

HAZARD

RISK OF BODILY INJURY

POTENTIAL CONSEQUENCE

Serious injury or death may occur from detergents contacting or penetrating the skin.

POTENTIAL CONSEQUENCE

Injury may occur from the rotary surface cleaner.

- ALWAYS hold on ﬁrmly to the handles of the Rotary Surface Cleaner when

operating the unit. Failure to do so can cause the Cleaner to move dangerously.

To prevent accidental discharge, the trigger gun should be securely locked when

not in use.

- Always wear eye and ear protection when using the Rotary Surface Cleaner. Other

protective clothing such as a rubber suit, gloves, respirator, etc., may be necessary

when using detergents.

- Never make adjustments on the machine while in operation.

- DO NOT leave pressurized unit unattended. Shut off the pressure washer and

release trapped pressure before leaving.

- Know how to stop the Rotary Surface Cleaner. Be thoroughly familiar with controls.

- Never place hands or feet under the cover assembly during operation to prevent

injury from rotating spray arm and high pressure injection.

POTENTIAL CONSEQUENCE

Serious injury can occur from loose debris being propelled at a high speed

from the spray gun.

POTENTIAL CONSEQUENCE

Injury may occur if the operator loses his balance caused by the thrust of

water travelling through the spray nozzle.

SPECIFICATIONS

Unpack the machine and make sure that it is complete and not damaged, In case it is not complete or

damaged, do not use the machine and consult your dealer. For reasons of packaging or transport, some

accessory components can be supplied loose. In this case they must be assembled according to the

instructions in this manual. Make sure that the components of the packaging are placed out of the reach

of children.

FEATURES

1. Box

2. Insert

3. Hose

4. Handle-Upper

5. Clevis Pin x 3pcs

6. Bridge Pin x 3pcs

7. Handle-Lower

8. Cover Assembly

Model Name

Operaon Pressure (PSI/BAR)

Flow Rate (GPM/LPM)

Max Temperature (°F/°C)

Maximum RPM

Unit Net Weight (Kg)

Unit Shipping Weight (Kg)

Unit Shipping Dimension(CM)

A+SC21 A+SC24

212°/100° 212°/100°

2500 2500

11.9 13.2

13.9 15.2

89 x 59 x 29 89 x 62 x 29

2000-4000/138-275

3.0-8.0/11.35-30

2000-4000/138-275

3.0-8.0/11.35-30

Rotating Bar

Spray Pattern

(Parallel to Bar)

Nozzle

Hose

Swivel housing

Handle-lower

Clevis pin

Bridge pin

Aluminum Support

Handle-upper

Clevis pin

Bridge pin

Connect socket

ClickClick

Quick plug

NOZZLE SELECTION & INSTALLATION:

1. Your Rotary Surface Cleaner will come installed with one set of

25020 nozzles (25 degree and 2.0 oriﬁce).

a. The minimum oriﬁce size to be used in your Rotary Surface

Cleaner is half that which is being used in your pressure washer.

Example: If your pressure washer uses a size 5 oriﬁce, you will

need to use a size 2.5 oriﬁce in your Rotary Surface Cleaner.

(Two nozzles are inserted in the Rotary Surface Cleaner, therefore;

two nozzles x size 2.5 oriﬁce = size 5 oriﬁce.)

b. The nozzles being used should have a 15° - 25° spraypattern;

anything less than a 15° spray pattern can damage the area being

cleaned. Anything more than 25° may not allowthe bar to rotate.

2. Nozzles should be screwed into the rotating bar. The spray fan

should be parallel to the Rotating Bar. (See ﬁgure at right.)

UNIT ASSEMBLY:

1. Line up the holes on the lower part of handle (7) with the holes on

the cover assembly (8).

2. Insert the clevis pins (5) through the handle and cover holes and

attach to the bridge pins (6).

3. Attach the upper handle (4) by lining up the hole in the upper and

lower handle. Push the clevis pin (5) through the aligned hole and

attach to the bridge pin (6).

4. Quick connect the Rotary Surface Cleaner hose assembly to the

handle center and to the swivel located on the unit base.

SET-UP:

1. Locate the high pressure discharge hose on your pressure washer

and ensure it is securely connected to the water outlet of the pressure

washer. Quick connect the other end of the high pressure discharge

hose to the gun on the Rotary Surface Cleaner.

2. Connect the water supply hose, one end to your pressure washer,

the other end to a pressurized water supply.

SURFACE PREPARATION:

1. Clear any loose debris from the area to be cleaned.

2. Never attempt to clean surface with objects that protrude from the

surface being cleaned. Striking any raised obstacle during operation

will damage machine. If contact does occur and results in vibration

when operating machine, STOP and replace spray bar.

INSTALLATION & PREPARATION

Risk of Injury or damage to machine!!

NEVER OPERATE THE UNIT IF IT BEGINS TO VIBRATE!

Shutdown the unit and tighten the rotating bar, bolts and fittings.

PRE-START INSPECTION PROCEDURES:

1. Inspect Rotary Surface Cleaner before each use. Tighten rotating bar,

bolts and ﬁttings as needed.

2. Ensure all connections are secure. Turn the water supply completely

"ON". (DO NOT START PRESSURE WASHER!)

3. Inspect hoses for kinking, cut or leaks. If found, DO NOT USE HOSE!

Replace damaged hoses before starting.

4. Unlock the trigger gun and squeeze the trigger. Water will begin

ﬂowing from the nozzles of the Surface Cleaner. Ensure nozzles are

not clogged and spray pattern is not erratic. Change nozzles before

proceeding if problems exist.

5. Be sure that all damaged parts are replaced and that the mechanical

problems are corrected prior to operation. If you need service, contact

an Authorized Service Center.

INSTALLATION & PREPARATION

CLEAN UP WITH YOUR ROTARY SURFACE CLEANER

SPECIAL APPLICATION AREAS:

- Removing deposits, mass, algae, fuel, oil and grease from drive

through pads, boat ramps, tennis courts, roofs, pools, decks ,

walkways, factory ﬂoors, semi trailer ﬂoors, ﬁshing docks, and

loading docks

- Cleaning off stubborn stains from asphalt and concrete surfaces

- Disinfection for the highest hygiene demands in saunas, bathroom

areas, and in the catering industry.

- Great for cleaning driveways.

BENEFITS OF PRESSURE WASHER SURFACE CLEANERS:

- Huge time savings

- Easy, effortless work

- Substantially lower cost (especially labor)

- Visibly greater cleanliness

- Universally applicable

- Use with cold or hot water

- Circular design allows a zero wall clearance

- Hover action (cleaner "ﬂoats" above the ground)

- Eliminate streaking and fatigue

The following comparison chart

shows the me taken to clean

a typical driveway (37 sq. meter)

Using 2 diﬀerent components.

Rotary surface cleaner 10 min.

ATTACHMENT TIME

Standard spray nozzle 80 min.

COMPLETE SET UP

Risk of Injury or damage to machine!!

NEVER OPERATE THE UNIT IF IT BEGINS TO VIBRATE!

Shutdown the unit and tighten the rotating bar, bolts and fittings.

Connect socket

ClickClick

Quick plug

SHUT-DOWN:

1. Turn the Pressure Washer off.

2. Turn the water supply off.

3. Squeeze the trigger gun to relieve water pressure.

4. Disconnect and drain the water hose and wipe down unit. Store unit

in a nonfreezing environment.

START-UP:

1. Lock the trigger gun on the Rotary Surface Cleaner by moving the

safety lock lever to a 90° angle so it rests against the handle grip.

2. Ensure all connections are secure.

3. Unlock the trigger gun and squeeze the trigger while starting the

Pressure Washer.

4. Water will begin ﬂowing from the nozzles of the Surface Cleaner.

Ensure nozzles are not clogged and spray pattern is not erratic.

Turn the pressure washer and water supply off and change nozzles

before proceeding if problems exist.

5. Walk slowly behind the unit, cleaning as you go. If striping occurs,

slow down the pace. Do not allow machine to remain stationary on

soft surfaces such as wood.

6. Check "weep hole" on top of the swivel periodically. Water will seep

slowly. If it shoots out, shut-down the unit and replace seals and/or

main seal.

OPERATION

The Following Contains Operating And Maintenance Instructions.

Do Not Attempt To Operate This Rotary Surface Cleaner Until

You Have Read And Understood All Safety Warning And

Instructions Listed In This Manual.

Incorrect Operation Of This Unit Can Cause Serious Injury!

Do Not Alter Or Modify This Equipment In Any Manner!

SAFETY ON

SAFETY OFF

UNDER VIEW

Weep Hole

PRODUCT EXPLODED AND PARTS LIST

Handle Assembly

AVAILABLE REPAIR PARTS AND KITS

1. Hose, A+SC21-SC24 8.753-584.0

2. Coupler, ¼” Plug, Female 8.707-136.0

4. ¼” Quick Connect 8.750-696.0

KIT, SPRAY GUN, A+SC21-SC24

8.921-834.0

3. Screw M6X30

4. ¼” Quick Connect

5. Sleeve

6. Trigger Gun

KIT, HANDLE ASSEMBLY,A+SC21-SC24

8.921-835.0

7. Grip

8. Upper Handle

9. Lower Handle

10. Clevis Pin

11. Clevis Pull Ring

5 64

123

PRODUCT EXPLODED AND PARTS LIST

17 18 19

KIT, HANDLE MOUNTS, A+SC21 - SC24

8.921-841.0

10. Clevis Pin

11. Clevis Ring

14. Handle Support

KIT, SWIVEL CLAMP, A+SC21 - SC24

8.921-842.0

12. Clamp Ring

13. Bolt

KIT, CASTER ASSEMBLY, A+SC21 - SC24

8.921-843.0

17. Nut M6

18. Spacer

19. Screw M6 x 14

20. Nut M10

21. Wheel Bracket

22. Caster Spacer

23. Caster Wheel

KIT, CASTER, A+SC21 - SC24

8.921-845.0

20. Nut M6

22. Caster Spacer

23. Caster Wheel

15. SWIVEL, A+SC21 - SC24

16. DECK, 21", A+SC21

16. DECK, 24", A+SC24

26. SPRAY NOZZLE 2.0, 25°

KIT, SPRAY ARM, A+SC21

8.921-847.0

25. Spray Bar

27. End Plug

KIT, 21" BRUSH ASSEMBLY, A+SC21

8.921-848.0

28. Brush Skirt

17. Nut M6

18. Spacer

19. Screw M6 x 14

KIT, 24" BRUSH ASSEMBLY, A+SC24

8.921-849.0

28. Brush Skirt

17. Nut M6

18. Spacer

19. Screw M6 x 14

KIT, SPRAY ARM, A+SC24

8.921-846.0

25. Spray Bar

27. End Plug

8.753-597.0

8.753-598.0

8.753-599.0

8.753-537.0

Cover Assembly

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