Simpson ALH4240 Instruction Manual Download Page 16

16- ENG 

4.  Connect the water hose to the water source. Turn the water source on to 

remove all air from the hose. When a steady stream of water is present, turn 

the water source off. 

5.  Verify the filter screen (O) is in water inlet of pump. 

NOTE: 

Convex side faces 

out.

6.  Connect water source (N) to pump inlet (J). 

NOTE: 

Water source must provide 

a minimum of 5 gallons per minute at 20 PSI. 

7. Connect high pressure hose (C) to pump outlet (I).

I

12

C

11

N

J

O

10

 WARNING: To reduce the possibility of contamination always protect 

against backflow when connected to a potable water system.

8.  Choose the correct nozzle for the job to be performed. See 

how To Use spray 

Wand

 instructions in this section.

 NOTE:

 If applying a chemical or cleaning 

solution, see 

how To Apply Chemicals/Cleaning Solvents 

instructions in this 

section.

9.  Turn water source on. 

NOTICE:

 

Risk of property damage. Failure to do so could cause damage to the 

pump.

10.  Remove all air from the pump and high pressure hose by depressing trigger 

until a steady stream of water is present. 

11.  Start engine. See 

Engine Owner's Manual

 for correct procedure. 

 WARNING: Risk of unsafe operation. If engine does not start after two 

pulls, squeeze trigger of gun to relieve pump pressure. Pull starter cord slowly 

until resistance is felt. Then pull cord rapidly to avoid kickback and prevent 

hand or arm injury.

NOTE:

 If the oil level in the engine is low, the engine will not start. If the engine does 

not start, check the oil level and add oil as needed.
12.  Depress trigger on gun to start water flow. 

 WARNING: Risk of unsafe operation. Stand on a stable surface and 

grip gun/spray wand firmly with both hands. Expect the gun to kick when 

triggered.

13.  Release trigger to stop water flow.

 WARNING: Risk of injury from spray. Always engage

13

P

 

the trigger lock (P) when gun is not in use. Failure to do so 

could cause accidental spraying.

SHUTTING DOWN

1.  After each use, if you have applied chemicals, place 

detergent siphon hose into container of clean water and 

draw clean water through chemical injection system to 

rinse system thoroughly.

 

 
 

Please contact us for further information at www.allpartsinc.com

 
 

Summary of Contents for ALH4240

Page 1: ...NO LA REGRECE AL LUGAR DONDE LA COMPRO Cont ctese con nuestro Departamento de Servicio al Cliente llamando al 1 877 362 4271 ou www simpsoncleaning com IMPORTANT Please make certain that the person w...

Page 2: ...d up in these areas Using a fan or opening windows and doors does NOT supply enough fresh air ONLY use outdoors and far away from open windows doors and vents These openings can pull in engine exhaust...

Page 3: ...in spillage and pos si ble fire explosion Keep maximum fuel level 1 2 12 7 mm be low bottom of filler neck to allow for expansion Operating the pressure washer in an ex plo sive en viron ment could r...

Page 4: ...rly Replace the hose immediately if it is damaged worn has melted from contacting the engine or shows any signs of cracks bubbles pinholes or other leakage Never grasp a high pressure hose that is lea...

Page 5: ...r the influence of alcohol or drugs Stay alert at all times Never compromise the safety fea tures of this prod uct Do not op er ate machine with missing broken or un au tho rized parts Never leave wan...

Page 6: ...transport and store unit in an upright position Re move pres sure washer from vehicle immediately upon arrival at your destination danger RISK OF elec tri cal Shock What can happen How to prevent it...

Page 7: ...rious injury On pressure washers rated above 1600 PSI 11032 kPa use the widest fan spray 40 nozzle and keep the spray a minimum of 8 20 cm from the pneumatic tire sidewall Do not aim spray directly at...

Page 8: ...l before starting the engine Refer to Engine Owner s Manual for complete procedure quick start guide DANGER Never run engine indoors or in enclosed poorly ventilated areas Engine exhaust con tains car...

Page 9: ...f water is present Approximately 30 seconds 30 S 8 Verify the Fuel Switch is in the ON Position See label 8 on unit 9 Verify the Engine Switch is turned to the ON Position See label 9 on unit OFF ON 1...

Page 10: ...essure pump Refer to the Engine Owner s Manual for location and operation of engine controls C High Pressure Hose Carries the pressurized water from the pump to the gun and spray wand D Spray Gun Conn...

Page 11: ...andle assembly G onto G H 2 2A K K L L the frame H and secure with saddle bolts and knobs NOTICE Risk of personal injury Avoid placing hands between handle and frame when assembling to prevent pinchin...

Page 12: ...ve a source of water The minimum requirements for a water supply are 20 PSI and 5 Gallons Per Minute If your water source is a well the garden hose length can only be 30 ft 9 m max WARNING To reduce t...

Page 13: ...or Spray Pattern Uses Surfaces Red 0 powerful pinpoint for spot cleaning of hard unpainted surfaces or for high reach areas unpainted metal or concrete DO NOT use on wood Yellow 15 intense cleaning of...

Page 14: ...ned for pressure washer use Do not use bleach To Apply Chemicals 1 Ensure detergent siphon hose F Figure 9 is attached F 9 to barbed fitting location near high pressure hose connection of pump as show...

Page 15: ...before starting engine DO NOT let hoses come in contact with very hot engine muffler during or immediately after use of your pressure washer Damage to hoses from contact with hot engine surfaces will...

Page 16: ...se by depressing trigger until a steady stream of water is present 11 Start engine See Engine Owner s Manual for correct procedure WARNING Risk of unsafe operation If engine does not start after two p...

Page 17: ...hould be prepared and followed If the pressure washer is used in unusual conditions such as high temperatures or dusty conditions more fre quent maintenance checks will be required engine Consult the...

Page 18: ...ace spray wand into high pressure setting to test CLEAN THE WATER INLET FILTER fIG 10 This screen filter should be checked periodically and cleaned if necessary 1 Remove filter by grasping end and rem...

Page 19: ...manufacturing tolerance of 10 In a continued commitment to improve quality the manufacturer reserves the right to make component changes design changes or specification changes when necessary and wit...

Page 20: ...ion manual shall void warranty This warranty does not cover the following machines used for rental purposes damage resulting from shipping claims must be filed with freighter accident abuse act of God...

Page 21: ...structions in the Operation Section Low water supply Water supply must be at least 5 gpm 20 PSI Leak at high pressure hose fitting Repair leak Apply sealant tape if necessary Nozzle obstructed See Noz...

Page 22: ...ontact our customer service department at www simpsoncleaning com Worn or obstructed valves Please contact our customer service department at www simpsoncleaning com Worn unloader piston Please contac...

Page 23: ...lug o ring Check and replace Pump overfilled Check for correct amount Incorrect oil used Drain and fill with correct amount and type of oil Vent plug is clogged Clean vent plug blow air through it to...

Page 24: ...IT LOCK 3 8 4 KEY SHAFT 1 4SQ X 1 1 2 1 PART 7103261 LANCE 31 QUICK CONNECT FEMALE M22 MALE PART 7101683 NOZZLE SET 4 0 5 PIECE SET PART 7102207 SOAP HOSE AND FILTER KIT PART 7105376 WHEEL SERVICE KIT...

Page 25: ...mediante Internet Copyright All Rights Reserved Copyright Todos los derechos reservados Copyright Tous droits r serv s Assembled in U S A with domestic and foreign components Assembl aux tats Unis ave...

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