Simpson PS4240H - Manual (Page 4)

1.0 Safety Do’s and Don’ts
This machine produces a high pressure spray, follow these instructions to avoid the risk of injury.
1.1 Danger
- Wear proper face protection when operating a pressure washer.
- Keep hands and feet clear of the cleaning nozzle at all times.
- Operate in well ventilated areas ONLY!
- Use ONLY those parts and accessories recommended for these machines.
1.2 Warning
- Read all instructions and familiarize yourself with the unit before operating.
- Read engine manual instructions completely.
- Always engage the trigger safety lock when the gunvalve is not in use.
- Relieve the pressure in the system before uncoupling hoses.
- Never start the machine until the quick couplers are checked to make sure the sleeves are locked.
- Do not tamper with unloader valve adjustment or alter engine speed.
- Do not fill the fuel tank when the engine is running or still hot.
- Do not use on unsupported elevated surfaces (i.e. ladders).
- Do not try to repair a leak in the hose or connection while the system is under pressure.
- Do not substitute any component part on this machine.
- Use ONLY Simpson® replacement parts as originally installed.
- The use of incorrect parts could cause serious personal injury.
- Always keep hands and fingers clear of cleaning nozzles.
- Always relieve the pressure in the system before uncoupling the quick couplers.
1.3 Caution
- Use ONLY the cleaning nozzle size designed for your model.
- Do not start the machine until water is turned on at the faucet and water is flowing from the end of the
extension.
1.4 Notice
- Close fuel valve when transporting or storing unit.
- Let the machine run for several minutes before starting to pressure-wash.
- Check oil level in engine each time gas tank is filled.
- Keep air filter clean and engine in tune.
- Keep incoming water filter clean.
- Incoming water supply must deliver gallons per minute greater than machine capacity. If
questionable, check supply at machine. If supply is insufficient, do not operate from this outlet. For
residental use, the outlet closest to the meter tap will usually deliver the highest gallons per minute output.
- DO NOT connect to shallow wells used for lawn sprinkling. Connect only to clean city water supply or deep
domestic well.
- Never aim spray gun at yourself, another person, animals or plants
- Never operate machine without Belt Guard securely in place.
www.simpsoncleaning.com page 4