Snapper 150Z Operater's Manual - Page 16

Operation Checks Before Starting • Check that the crankcase oil is filled to full mark on dipstick (see CHECK ENGINE OIL in the Maintenance section). • Fill the fuel tank with fresh fuel. Fuel Recommendations Fuel must meet these requirements: • Clean, fresh, unleaded gasoline. • A minimum of 87 octane/87 AKI (91 RON). For high altitude use, see below. • Gasoline with up to 10% ethanol (gasohol) is accept- A able. NOTICE: Do not use unapproved gasolines, such as E15 and E85. Do not mix oil in gasoline or modify the engine to run on alternate fuels. Use of unapproved fuels will damage the engine components and void the engine Figure 2. Pre-Start Checks warranty. To protect the fuel system from gum formation, mix a fuel stabilizer into the fuel. See Storage. All fuel is not the r n same. If starting or performance problems occur, change fuel providers or change brands. This engine is certified fo tio to operate on gasoline. The emissions control system for this engine is EM (Engine Modifications). t c High Altitude o At altitudes over 5,000 feet (1524 meters), a minimum u 85 octane/85 AKI (89 RON) gasoline is acceptable. To N d remain emissions compliant, high altitude adjustment is required. Operation without this adjustment will cause o decreased performance, increased fuel consumption, r and increased emissions. See a Briggs & Stratton Autho- rized Dealer for high altitude adjustment information. p Operation of the engine at altitudes below 2,500 feet e (762 meters) with the high altitude adjustment is not R recommended. Emergency Stopping In the event of an emergency the engine can be stopped by simply turning the ignition switch to STOP. Use this method only in emergency situations. For normal engine shut down follow the procedure given in STOPPING THE RIDER AND ENGINE. Stopping The Rider & Engine 1. Return the ground speed control levers to START/ PARK positions to stop rider movement. 2. Engage the parking brake. 3. Turn off the mower blades by pushing the mower blade switch down to the OFF position. 4. Move the engine speed control to SLOW position and turn the ignition switch to OFF. Remove the key. To add fuel: 1. Remove the fuel cap (A, Figure 2). 2. Fill the tank to the bottom of the filler neck. IMPORTANT: Do not overfill the fuel tank. Stop filling the tank when fuel collects in the filler neck. 3. Install and hand tighten the fuel cap. 16