4. Maintenance & Inspection reassembled, be very ca reful not to make a mistake and turn it in the wrong direction . Additionally, (4) Inspecting and Adjusting the Fuel Injection Spray Condition . Adjustment is necessary to obtain the if the engine is being turned manually , be carefu l to turn it in the correct direction . Incorrect turning will twist the impeller and damage it. optimal fu el injection to ensure the best possible engine performance. This inspec- tion requires specialized knowledge and techniques. Consult your Yanmar dealer or distributor. (3) Inspection and Adjustment of Intake / (5) Adjusting the Remote Control Cable Exhaust Valve Clearance.
When operating for long periods of time, the clearance between the intake /e xhaust valve and the rocker arm will change and affect operation performance. Adjustment (See page 38, 4.3.2(3)) (6) Inspecting and Adjusting the Fuel Injection Timing Fuel injection timing mu st be adjusted to ensure optimal engine performance. This maintenance requires specialized knowledge. Consult your Yanmar dealer or distributor. Is necessary. Adjustment requires specialized know- ledge and techniques. Consult your Van- mar dealer or distributor. I 4.4 EPA Requirements 65 4.4.1 EPA Certification Plate a)2GM20 (F) series This engine has the following EPA Certification Plate attached:
• EPA Certification Plate Attachment Position for Certification Plate • 2GM20 (C) (V), 2GM20F (C) (V) series. attached to the intake air silencer side of the bonnet EPA certification plate 41 IM I PORTANT ENG NE INFOR MATI ON IOUUI IRIS ENGINE CONfORMS ODH YHR U.S. EPA R EGULAIIOKS NOHIOAO COM PRESSION ICNIIIOK EKCINES. IRIS ~f IS Cflllfl£0 10 OPfUI£ 01 'OS·!O' FUEL EN IN fiJI T : A I M £MGIKE ODEL C J [XISSICM ST IU ' I CO~IIOL FIH lAIE I D IU !.12.( I[ E IIY/If J IPM ~ lEfEI Cn£1' S X AH'JAL FOl XAIIIUJJCE SHCIFICAIIOSS I.HD AOJUSII[kiS YANMAR DIESEL ENGINE Co .. ltd.