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5 Maintenance..............................32
5.1 Maintenance schedules...................32
5.1.1 Maintenance schedule for
QES 9 and QES 11............................32
5.1.2 Maintenance schedule for
QES 14-20-30-40 and QES 16-
25-35-50.............................................37
5.1.3 Use of maintenance schedule.........41
5.1.4 Use of service paks ..........................41
5.2 Preventing low loads.......................42
5.3 Alternator maintenance
procedures........................................43
5.3.1 Measuring the alternator
insulation resistance ........................43
5.4 Engine maintenance procedures....43
5.4.1 Engine oil level check ......................43
5.4.2 Engine oil and oil filter change .......43
5.4.3 Coolant check ...................................44
5.4.3.1 Monitoring coolant condition .........44
5.4.3.2 Topping up of coolant .....................44
5.4.3.3 Replacing the coolant ......................45
5.4.4 Air filter check...................................45
5.4.5 Replacing fuel filter element ...........46
5.5 Adjustments and service
procedures........................................47
5.5.1 Cleaning coolers...............................47
5.5.2 Cleaning the fuel tank ......................47
5.5.3 Battery care.......................................48
5.5.3.1 Electrolyte.........................................48
5.5.3.2 Activating a dry-charged battery ....48
5.5.3.3 Recharging a battery........................48
5.5.3.4 Make-up distilled water ...................48
5.5.3.5 Periodic battery service ...................49
5.6 Engine consumable specifications .49
5.6.1 Engine fuel specifications................49
5.6.2 Engine oil specifications..................49
5.6.3 Engine coolant specifications..........51
6 Checks and trouble
shooting.....................................52
6.1 Checks...............................................52
6.1.1 Checking voltmeter PV1...................52
6.1.2 Checking ammeter PA1 ...................52
6.2 Engine troubleshooting...................52
6.3 Alternator troubleshooting.............55
6.4 Solving Qc1011™ controller
alarms................................................56
6.4.1 General..............................................56
6.4.2 Alarm icon overview........................57
7 Storage of the generator..........60
7.1 Storage..............................................60
7.2 Preparing for operation after
storage ..............................................60
8 Disposal .....................................61
8.1 General..............................................61
8.2 Disposal of materials .......................61
9 Options available ......................62
9.1 Circuit diagrams...............................62
9.2 Overview of the electrical options .62
9.3 Description of the electrical
options ..............................................62
9.3.1 Automatic battery charger...............62
9.3.2 Battery switch ...................................63
9.3.3 Engine coolant heater ......................63
9.3.4 Single phase .....................................63
9.3.5 Dual phase ........................................64
9.3.6 Outlet sockets (S) - 3-phase.............64
9.3.8 IT-relay ..............................................65
9.4 Overview of the mechanical
options ..............................................67
9.5 Description of the mechanical
options ..............................................67
9.5.1 External fuel tank connection
(with/without quick couplings) ........67
9.5.2 Oil drain pump..................................68
9.5.3 Undercarriage (axle, towbar,
towing eyes) .....................................68
9.5.4 Galvanized skid with forklift
slots ...................................................68
9.5.5 Hot parts protection (CE
compliance) ......................................68
9.5.6 Rotating parts protection (CE
compliance) ......................................68