April 2016 Service ManualChecklist B ProceduresPart No. 139234 Z-34/22 Bi-Energy 31B-6Check the Oil Level in the DriveHubsGenie specifications require that this procedure beperformed every 250 hours or quarterly, whichevercomes first.Failure to maintain proper drive hub oil levels maycause the machine to perform poorly and continueduse may cause component damage.1 Drive the machine to rotate the hub until theplugs are located one on top and the other at90 degrees.1 drive hub plugs2 Remove the plug located at 90 degrees andcheck the oil level.Result: The oil level should be even with thebottom of the plug hole.3 If necessary, remove the top plug and add oiluntil the oil level is even with the bottom of theside plug hole.4 Install the plug(s) into the drive hub.5 Check the torque of the drive hub mountingbolts. Refer to Specifications, MachineSpecifications.6 Repeat this procedure for each drive hub.B-7Check the Glow PlugsGenie specifications require that this procedure beperformed every 250 hours or quarterly, whichevercomes first.Maintaining the glow plugs in good condition isessential to good engine performance and servicelife. Improperly functioning glow plugs will causethe engine to perform poorly and may result incomponent damage.1 Connect the leads from an ohmmeter betweenthe far left glow plug and ground.Result: The resistance should beapproximately 1Ω.2 If the ohm reading is different than 1Ω , removethe wire and connector plate from the threeindividual glow plugs. Then, one glow plug at atime, measure the resistance between theglow plug and ground.Result: The resistance should beapproximately 1.8Ω for each individual glowplug.3 Turn the key switch to ground control and pullout the red Emergency Stop button to the onposition.4 Connect the red positive (+) lead from a voltmeter to one of the glow plugs. Connect theblack negative (-) lead to ground.5 Hold the glow plug switch in the on position.Result: The volt meter should read 12V DC ormore.6 Repeat steps 4 and 5 for the other glow plug.