…a great way to get rid of the headaches that pump, engine pulleys and V-belts create!
Because of the 2.2 to 1 ratio of gear reducers it is best to use a pump that is rated for 1750 RPM.
Part #: 1028 – for 1″ Shaft up to 24 HP
Part #: 1029 – for 1-1/8″ Shaft up to 24 HP
Comet 25 HP Gear Box for 1″ shaft
Part 1208A – for 1″ Shaft up to 25 HP
Your Pump will last 5-times longer
simply by installing a 12-Volt Clutch
Stops the pump from turning when the gun is released.
Pressure or flow switch required to activate and deactivate pulleys
For engines up to 25 HP
Super Easy installation: This 7″ dual belt clutch pulley is to be used on a 1450 RPM pump which are very common in the pressure washer industry. You will need to change the engine pulley as well. again – very easy! The engine pulley that you will need will be a 3″ 2-groove pulley.- our part number 1654. You should be able to use the same bushing that you have for the engine pulley. Once the pulleys are installed simply install a pressure switch on the high side of the pump and connect to the clutch. Now when you release the trigger the pump stops.
So which pressure washer pulley should you be using on your belt drive, gas engine?
Set-up for 1450 RPM Pumps
Pump Pulley: 8.4” Pulley
Engine Pulley: 3.4″ Pulley
Set-up for 1750 RPM Pumps
Pump Pulley: 7.4” Pulley
Engine Pulley: 3.6” Pulley
From here all you will need to do is select the correct engine bushing. Most pumps are 24mm shafts. Engines are either 1′ or 1-1/8″. If you are not sure about the shaft size of the pump you can Google the manufacturer, model number and include the phrase ‘PDF’ in the search stream, you should be able to find it.
Example ‘General TS2021 PDF’ will bring up exactly what you need. Engines are a different story. Typically engines between 13 & 19 HP have 1″ shafts and larger engines will have 1-1/8″ shafts. It is easy to find out which one you have by simply taking a ruler and measuring the shaft diameter.
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