OMRG25204 oem uncert & tier 1.pdf - John Deere Industrial Engines

Lubrication & Maintenance/500 Hour/12 MonthChecking Engine SpeedsObserve tachometer (A) reading on the instrument panelto verify engine speeds while running engine. (Refer toSpecifications section later in this manual for enginespeed specifications.) If engine speeds need adjustment,contact your engine dealer or distributor.A—TachometerCheck Engine Speed On TachometerRG11299A –UN–17AUG00OURGP11,000000B–19–24JUN04–1/1Checking Engine Electrical GroundConnectionsKeep all engine ground connections clean and tight toprevent electrical arcing which can damage electroniccomponents.OUOD002,0000169–19–08OCT01–1/135-9 110306PN=89