Mase Generators of North America

maseGBIS 9000 - 95005.12 Table of planned maintenance operationsOPERATIONHOURSCheck oil level 10Check coolant level 10Adjust V-belt tension 100Check battery charge 100Change oil 150Replace fuel filter 300Replace oil filter 300Clean injectors 300Adjust play in intake/outlet valve 300Check alternator brushes 500Calibrate injectors 500Check alternator commutator 1000Replace Viton bush 1000Check electrolyte level in battery monthlyClean air filteryearlyCompletely replace coolant yearlyReplace zinc anodes yearlyThe voltage in the alternator is too low.- Correct the voltage level by adjusting the electronicAVR regulator.- Check the number of revs. (3120 rpm when unloaded)- The voltage regulator is faulty. (Replace)The starter battery is low.- Check the level of the electrolyte in the battery. (Top upif necessary)- Check that the recharge device is operating properly.(Replace if necessary)- Check that the battery is not damaged.5.13 List of possible problemsThe starter is working , but the motor will not start.- Check that there is fuel in the tank. (If not, fill)- Check whether the stop electromagnet is pulling.(Contact Service Centre)- Bleed the supply circuit to remove any air. (see paragraph3.2)The control panel does not light up when the ONbutton is pressed.- Check that the fuses protecting the panel have notblown. (Replace if necessary)- Check the connector cable and terminals. (Reconnect)- Check that the battery is working properly. (Rechargeor replace if necessary)The group shuts down when in operation.- Check whether an indicator has lighted to show that analarm has been triggered. (If so, remove the cause andrestart)- Check that there is fuel in the tank. (Fill if necessary)The motor produces very smoky exhaust- Check that the oil level in the sump does not exceed theMAX level indicator. (Adjust the level if necessary)- Check that the group is not overloaded.- Check calibration of the injectors. (Contact ServiceCentre)The motor operates irregularly.- Check the fuel filters. (Replace if necessary)- Bleed the supply circuit to remove any air bubbles thatmay have accumulated. (see paragraph 3.2)22