Simpson MS61220 Bedienungsanleitung
MS61220/MS61221- ENGLISH REV 2 - 01/03/2022
SAVE THIS MANUAL FOR FUTURE REFERENCE
USE AND CARE MANUAL
PRESSURE WASHER
READ THIS MANUAL CAREFULLY BEFORE OPERATION
Failure to follow the instructions and safety precautions in this manual can result
in property damage, serious injury and/or death.
NOTE: Photographs and line drawings used in this manual are for
reference only and may not represent your specic model.
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TABLE OF CONTENTS
SAFETY INSTRUCTIONS .............................................................. 4
DISCLAIMERS ................................................................................ 5
UNPACKING ................................................................................... 6
ASSEMBLY ..................................................................................... 6
Install knob-style handle............................................................................................... 6
Install button-style handle............................................................................................. 6
Assemble the spray gun............................................................................................... 7
Organize accessories................................................................................................... 7
COMPONENT LOCATION .............................................................. 8
CONNECTING HOSES ................................................................. 10
PURGING AIR FROM THE PUMP ................................................ 11
NOZZLES ...................................................................................... 12
Nozzle Selection......................................................................................................... 12
Nozzle Installation ...................................................................................................... 12
USING CHEMICALS ..................................................................... 13
OPERATING CHECKLIST ............................................................ 14
Location...................................................................................................................... 14
High Altitude Operation .............................................................................................. 15
Operating Conditions.................................................................................................. 15
Checking the Engine Oil............................................................................................. 16
Checking Fuel ............................................................................................................ 18
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STARTING THE ENGINE ............................................................. 20
Starting the Engine.....................................................................................................20
SHUTTING OFF ENGINE ............................................................. 21
OPERATION TIPS ........................................................................ 22
Terms.......................................................................................................................... 22
Preparation................................................................................................................. 22
Pressure Washing ...................................................................................................... 22
TROUBLE SHOOTING ................................................................. 23
MAINTENANCE ............................................................................ 24
Maintenance............................................................................................................... 24
Cleaning the Pressure Washer .................................................................................. 24
Connections ............................................................................................................... 24
Nozzle Cleaning ......................................................................................................... 25
Water Inlet Filter ......................................................................................................... 25
Pump Maintenance .................................................................................................... 26
Engine Maintenance................................................................................................... 26
STORAGE AND TRANSPORTATION .......................................... 26
Storing for Two Months or Less.................................................................................. 26
Storing for More Than Two Months ............................................................................ 27
Transportation ............................................................................................................ 27
WARRANTY INFORMATION ........................................................ 28
Limited Warranty ........................................................................................................ 28
Limited Warranty (Continued) .................................................................................... 29
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This manual contains important safety information and instructions. Do not operate
this product until you have read, and completely understand all safety, operation, and
maintenance instructions listed in this manual. Failure to follow the information contained
in this manual will result in property damage, injury, and/or death.
NOTE: The warnings and precautions discussed in this manual cannot cover all conditions
and situations that may occur. The operator must understand awareness and caution are
factors which cannot be built into this product and so must be exercised by the operator.
READ THIS MANUAL BEFORE OPERATING
ADDITIONAL INSTRUCTIONS
Be sure to understand the safety symbols and denitions listed below. Each symbol
contains one of four words: DANGER, WARNING, CAUTION, NOTICE, indicating
dierent levels of hazard severity. These symbols are used throughout this manual and
are followed information about a specic hazard, the consequences of the hazard, and
instructions on how to avoid the hazard. Failure to heed these symbols and follow the
instructions provided with them will result in property damage, injury, and/or death.
HAZARD ALERT SYMBOLS
Indicates an imminently dangerous situation, which if not
avoided, will result in property damage, serious injury, and/
or death.
Indicates a potentially hazardous situation, which if not
avoided, could result in property damage, serious injury, and/
or death.
Indicates a hazardous situation, which if not avoided, could
result in property damage and/or minor to moderate injury.
Indicates information considered important, but not directly
hazard related.
SAFETY INSTRUCTIONS
Along with this manual, be sure to read any additional instructions provided both on and
with the product, attached equipment, accessories, and the engine powering the product.
Pay careful attention to all additional safety rules and instructions on proper startup,
operation, and shutdown procedures. Always use any recommended protective apparel
that may be needed to operate the equipment safely.
●All information in this publication was based on the latest product information available at
the time of printing. The FNA Group reserves the right to update, change, and/ improve
the product and this document at any time, without notice, and without incurring any
obligation.
● This manual may cover more than one machine. The pictures and gures in the manual
should be used for reference only. There may be dierences between your product and
the pictures, drawings, and diagrams in this manual.
Page 5 REV 2 - 01/03/2022MS61220/MS61221- ENGLISH
This product and the engine exhaust can expose you to chemicals which are known to
the state of California to cause cancer, birth defects, or other reproductive harm. For
more information on California Proposition 65, go to www.P65Warnings.ca.gov.
CALIFORNIA PROPOSITION 65 WARNING
POLYCYCLIC AROMATIC HYDROCARBON WARNING
The air lter element and air box assembly may contain polycyclic aromatic hydrocarbons
(PAHs). Some PAHs may cause cancer. To avoid exposure to PAHs, wear gloves when
performing air lter maintenance.
DISCLAIMERS
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UNPACKING
ASSEMBLY
Follow the steps outlined in this section to unpack and assemble your pressure washer.
If you have any questions regarding the unpacking or assembly of your pressure washer,
please have your model number and serial number ready, then contact customer support at
1. Place the shipping carton on a solid, at surface.
2. Carefully cut the top of the carton open.
3. Carefully cut each corner of the carton from top to bottom.
4. Lay each side of the carton at on the ground.
5. Remove everything from the carton.
OR
Install knob-style handle
Install button-style handle
Slide the handle onto the frame then secure
it with the included knobs and bolts.
Press and hold buttons then slide handle
onto frame until buttons click into place.
Page 7 REV 2 - 01/03/2022MS61220/MS61221- ENGLISH
12
Assemble the spray gun
Organize accessories
1. Thread the lance into the spray gun.
1. Place the spray gun and lance assembly into
the holder on the dashboard.
2. Push the nozzles into the rubber grommets
on the dashboard. Note: the dashboard label
indicates correct nozzle placement.
3. Hang the high-pressure hose on the holder.
3
Attempting to start the engine incorrectly or using the pressure washer incorrectly can
result in engine and/or pressure washer damage, and may cause serious injury or death.
To avoid these hazards, be sure to read, understand, and follow the steps outlined in the
OPERATING CHECKLIST section of the owner’s manual before starting the engine, and
follow all the guidelines for proper use of the pressure washer.
OPERATING CHECKLIST
Page 8 REV 2 - 01/03/2022MS61220/MS61221- ENGLISH
COMPONENT LOCATION
1. High-pressure hose
2. Hose hanger
3. Oil ll cap / dipstick
4. Pump
5. Low-pressure pump input
6. High-pressure pump output
7. Thermal relief valve
8. Fuel tank
9. Spray gun
3
9
4
7
86
5
12
Page 9 REV 2 - 01/03/2022MS61220/MS61221- ENGLISH
10. Nozzle holder
11. Fuel ll cap
12. Engine ignition switch
13. Engine choke
14. Fuel Valve
15. Soap Tank Cap
16. Spray wand quick connector
17. Engine starter recoil
17
10
12
16
15
13
14
11
Page 10 REV 2 - 01/03/2022MS61220/MS61221- ENGLISH
Before connecting a water supply hose, be sure the water supply is capable of providing an
uninterrupted source of clean, cold water at a minimum rate of 5 gallons per minute (GPM)
and 20 pounds per square inch (PSI) of pressure. Once a proper water supply is secured,
follow the instructions below to connect both the water supply and high-pressure hoses to
the pressure washer.
CONNECTING HOSES
1. Verify the inlet screen is free of
any dirt or debris and is in place
with the convex side facing out.
2. Turn on the water supply and
run for 30 seconds to purge any
debris from the supply hose.
Then, turn o the water supply
and thread the water supply hose
into the pump inlet.
3. Thread the high-pressure hose
onto the pump outlet.
4. Thread the high-pressure hose
onto the spray gun.
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