Section 3 • Scheduled Maintenance ProceduresPart No. 102916 S-100 • S-105 • S-120 • S-125 3 - 59June 2011REV AD-10Perform Engine Maintenance -Cummins ModelsEngine specifications require that this procedure beperformed every 1000 hours or annually, whichevercomes first.Proper engine maintenance, following the enginemanufacturer's maintenance schedule, is essentialto good engine performance and service life. Failureto perform the maintenance procedures can lead topoor engine performance and component damage.Required maintenance procedures and additionalengine information are available in theCummins B4.5 and B3.9L Operation andMaintenance Manual (Cummins part number4021389-01).Cummins B4.5 and B3.9L Operation andMaintenance ManualGenie part number 107527To access the engine:1 Remove the engine tray retaining fastenerlocated under the engine tray. Swing the enginetray out and away from the machine.2 Install the fastener that was just removedthrough the engine tray and into the engine trayanchor hole in the turntable.Crushing hazard. Failure to installthe fastener into the engine trayanchor hole to secure the enginetray from moving could result indeath or serious injury.CHECKLIST D PROCEDURESD-11Replace the Hydraulic FilterElementsGenie requires that this procedure be performedevery 1000 hours or annually, whichever comesfirst.Replacement of the hydraulic tank return filter isessential for good machine performance andservice life. A dirty or clogged filter may cause themachine to perform poorly and continued use maycause component damage. Extremely dirtyconditions may require that the filter be replacedmore often.Tank Return Filter:Burn hazard. Beware of hot oil.Contact with hot oil may causesevere burns.Note: Perform this procedure with the engine off.1 Open the ground controls side turntable sidecover and locate the tank return filters.2 Place a suitable container under the hydraulictank return filters.3 Remove each filter with an oil filter wrench.
