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11

2. Keep the spray gun a safe distance from the

area you plan to spray.

WARNING

: High pressure spray could cause you to

fall if you are too close to the cleaning surface.
• Keep spray nozzle between 20 to 60 CM (8 to

24 IN) away from cleaning surface.

• Operate this unit on a stable surface.
• Be extremely careful if you must use the pressure

washer from a ladder, scaffolding or any other
relatively unstable location.

• Firmly grasp spray gun with both hands when

using high pressure spray to avoid injury when
gun kicks back.

3. Apply a high pressure spray to a small area,

then check the surface for damage. If no
damage is found, it is okay to continue cleaning.

4. Start at the top of the area to be rinsed, working

down with same overlapping strokes as you
used for washing and applying detergent.

Cleaning Detergent Siphoning

Tube

If you used the detergent siphoning tube, you must
flush it with clean water before stopping the engine.
1. Place detergent siphoning tube filter in a bucket

full of clean water.

2. Engage trigger lock on spray gun.
3. Slide adjustable nozzle forward to low pressure

position.

4. Flush for 1-2 minutes.
5. Shut off engine.
6. ALWAYS point gun in a safe direction and

squeeze spray gun trigger to release retained
high water pressure.

IMPORTANT

: Simply shutting off the engine will not

release pressure in the pump/hose/spray gun. 

After

the engine has stopped, squeeze spray gun
trigger to relieve pressure trapped in the system.

Automatic Cool Down System

(Thermal Relief)

If you run the engine on your pressure washer for
3-5 minutes without pressing the trigger on the spray
gun, circulating water in the pump can reach
temperatures above 52°C (125°F). The system
engages to cool the pump by 

discharging the

warm water onto the ground.

VI -  MAINTENANCE

The pressure washer warranty does not cover items
that have been subjected to operator abuse or
negligence. To receive full value from the warranty,
the operator must maintain the pressure washer as
instructed in this manual.

NOTE:

Should you have questions about replacing

components on your pressure washer, please the
technical helpline at 

0845 300 2577

.

• Some adjustments will need to be made

periodically to properly maintain your pressure
washer.

• All maintenance in this manual and the engine

owner’s manual should be made at least once
each season.

• Once a year you should check the spray gun and

adjustable nozzle extension assembly for wear.
Also clean or replace the spark plug and clean or
replace the engine air filter. Please refer to engine
operator’s manual for more details.

Before Each Use

1. Check engine oil level.
2. Check water inlet screen for damage.
3. Check in-line filter for damage.
4. Check high pressure hose for leaks.
5. Check detergent siphoning tube and filter for

damage.

6. Check spray gun and adjustable nozzle

extension assembly for leaks.

7. Rinse out garden hose to flush out debris.

PRESSURE WASHER

MAINTENANCE

Check and Clean Inlet Screen

Examine the screen on the water inlet. Clean it if the
screen is clogged or replace it if screen is damaged.

Check High Pressure Hose

The high pressure hose can develop leaks from
wear, kinking, or abuse. Inspect the hose each time
before using it.

Summary of Contents for 020271-0

Page 1: ...291GS Revision 1 2 20 2006 Upright Pressure Washer Operator s Manual Questions Help is just a moment away Call your technical helpline at 0845 300 2577 Before using this product read this manual and follow all Safety Rules and Operating Instructions WARNING ...

Page 2: ...ed herein and marked on the product This manual contains information for a pressure washer that operates at 124 BAR at a flow rate of 450 liters per hour This high quality residential system features 12 7 CM 5 IN wheels an axial cam pump with stainless steel pistons an automatic cool down system a chemical injection system and an adjustable spray nozzle Includes safety goggles heavy duty 7 2 M 25 ...

Page 3: ...g engine Engage trigger lock when not in use When starting engine pull cord slowly until resistance is felt and then pull rapidly to avoid kickback After each starting attempt where engine fails to run always point gun in safe direction and squeeze spray gun trigger to release high pressure Firmly grasp spray gun with both hands when using high pressure spray to avoid injury when gun kicks back Pe...

Page 4: ...hat may be caught in the starter or other rotating parts Tie up long hair and remove jewelry CAUTION Excessively high or low operating speeds increase risk of injury and damage to pressure washer DO NOT tamper with governed speed DO NOT operate pressure washer above rated pressure A pressure washer produces a high pressure spray which increases risk of injury and damage to unit DO NOT secure spray...

Page 5: ...ris out of intake air H Recoil Starter Used for starting the engine manually Adjustable Nozzle not shown Always attached to nozzle extension Adjustable nozzle allows you to adjust spray pressure and spray pattern Automatic Cool Down System Cycles water through pump when water reaches 52 C 68 C 125º 155 F Warm water will discharge from pump onto ground This system prevents internal pump damage Chem...

Page 6: ...ing Pressure Washer for Use If you have any problems with the assembly of your pressure washer or if parts are missing or damaged call the technical helpline at 0845 300 2577 If calling for assistance please have the model revision and serial number from the data tag available To prepare your pressure washer for operation you will need to perform these tasks 1 Attach handle to main unit 2 Install ...

Page 7: ... hand NOTE Remove and discard all pump shipping caps before attaching hoses 2 Attach other end of high pressure hose to high pressure outlet on pump Tighten by hand 3 Before connecting garden hose to water inlet inspect inlet screen Figure 2 Clean screen if it contains debris or have it replaced if damaged DO NOT run pressure washer if inlet screen is damaged 4 Run water through your garden hose f...

Page 8: ... from entering a confined area through windows doors ventilation intakes or other openings Do not operate pressure washer inside any building or enclosure Ensure exhaust gas is kept away from any windows doors ventilation intakes or other openings that can allow exhaust gas to collect in a confined area Prevailing winds and air currents should be taken into consideration when positioning pressure ...

Page 9: ... occur on contact Exhaust heat gases can ignite combustibles structures or damage petrol tank causing a fire Do not touch hot surfaces and avoid hot exhaust gases Allow equipment to cool before touching Keep at least 150 CM 5 FT clearance on all sides of pressure washer including overhead How to Stop Your Pressure Washer 1 Let engine idle for two minutes 2 Turn engine off according to instructions...

Page 10: ...ace filter end of detergent siphoning tube into detergent container CAUTION Keep the detergent siphoning tube from coming in contact with the hot muffler When inserting the filter into a detergent solution bottle route the tube so as to keep it from inadvertently contacting the hot muffler 4 Slide adjustable nozzle forward to low pressure mode Detergent cannot be applied with nozzle in high pressu...

Page 11: ...If you run the engine on your pressure washer for 3 5 minutes without pressing the trigger on the spray gun circulating water in the pump can reach temperatures above 52 C 125 F The system engages to cool the pump by discharging the warm water onto the ground VI MAINTENANCE The pressure washer warranty does not cover items that have been subjected to operator abuse or negligence To receive full va...

Page 12: ...en into threaded end of nozzle extension Direction does not matter Push screen in with eraser end of pencil until it rests flat at bottom of opening Take care to not bend screen 4 Place o ring into threaded end of nozzle extension Push o ring snugly against in line filter screen 5 Assemble nozzle extension to spray gun as described earlier in this manual Nozzle Maintenance A pulsing sensation felt...

Page 13: ...epeated skin contact with used motor oil Used motor oil has been shown to cause skin cancer in certain laboratory animals Thoroughly wash exposed areas with soap and water KEEP OUT OF REACH OF CHILDREN DON T POLLUTE CONSERVE RESOURCES RETURN USED OIL TO COLLECTION CENTERS VII STORAGE Preparing Unit for Storage Water should not remain in the unit for long periods of time Sediments or minerals can d...

Page 14: ...ak 5 Check and clean inlet hose strainer 6 Provide cooler water supply 7 Clear blocks in outlet hose 8 Replace gun 9 Clean orifice 10 Contact local service facility Detergent fails to mix with spray 1 Detergent siphoning tube is not submerged 2 Chemical filter is clogged or cracked 3 Dirty in line filter 4 Nozzle is in high pressure mode 1 Insert detergent siphoning tube into detergent 2 Clean or ...

Page 15: ...within the relevant time period we will either replace all defective parts or at our discretion replace the unit free of charge with the same item or items of a greater value and or specification 3 This guarantee does not cover defects caused by or resulting from a misuse abuse or neglect b trade professional or hire use c repairs attempted by anyone other than our authorized repair center call 08...

Page 16: ...MacAllister Power Tools 1 Hampshire Corporate Park Chandlers Ford Eastleigh Hants SO53 3YZ UK 0845 300 2577 ...

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