1999 "EE" Evinrude 70HP 4-Stroke Service Manual, P/N 787023, Page 72Get this manual
General Safety Warnings
Before working on any part of the fuel system, read the section called Safety at the end of this manualRelieve fuel system pressure before starting any fuel system disassemblyDo this by removing the 15 amp fuse, then starting and running engine until it stallsRepeat this procedure timesTo prevent possible eye injury, always wear SAFETY GLASSES while servicing this unitThe flywheel cover is machinery guardUse caution when conducting tests on running enginesDo not wear jewelry or loose clothingKeep hair, hands, and clothing away from rotating flywheelTo avoid accidental starting of engine while servicing, twist and remove all spark plug leadsCheck nonmetallic fuel system parts for signs of deterioration, cuts, cracking, or abrasionAlways replace with specified partsDo not attempt to run engine with any fuel system component disconnected or removed except as directedFuel leakage could contribute to fire or explosionAfter completing any service procedure, momentarily pressurize fuel system and check for leaks! Fuel leakage could contribute to fire or explosionWhen using shop air for cleaning or drying parts: Be sure air supply is regulated to not more than 25 PSI (172 kPa) Be sure you use appropriate eye protection to avoid personal injuryWhen replacement parts are required, use genuine OMC parts or parts with equivalent characteristics including type, strength, and materialFailure to do so may result in product malfunction and possible injury to the operator andor passengers