Exhibit A Emergency Power.pdf

US Consulat Anlage ( Servicevertrag) Wartungsplan NEA

Monthly test run, 2 hours respectively W1 x

Annual load test run including provision of load bank, assembling, dismantling and cable connection x

G055.050.01 Valve control Check valve clearance W3 x

G083.051.03 Fuel twin filter Replace spin-on filter W3 x

G083.101.15 Clean fuel pre-filter W3 x

G180.000.04 Motor oil Take used oil sample and inspect W3 x

G180.000.05 Change motor oil after 2 years respectively, at the latest after 500 operating hours for oil category 2

W3 x after 1000 operating hours for oil category 3 W3 x

G183.052.03 Replace motor oil filter W3 x together with motor oil change W3 x

G202.000.05 Take motor coolant sample, and inspect W3 x

Replace motor coolant, refer to MTU fuel specifications W3 x

G202.051.01 G202.051.01 Motor coolant pump Check relief opening for consistency

W3 x

G203.000.07 Charge-air coolant Take sample, and inspect W3 x

Change coolant, refer to MTU fuel specifications W3 x

G203.051.01 Charge-air coolant pump Check relief opening for consistency

W3 x

G205.051.01 Motor coolant heat exchanger W3 x

(High temperature cycle) W3 x

Check cooler elements for external fouling W3 x G205.051.03 Motor coolant heat exchanger W3 x

(low temperature cycle) W3 x

Check cooler elements for external fouling W3 x

Electrical inspections Drive motor and tank system

Check deactivation criteria x Check reports and messages x Check controller behavior x Check starter and generator x Check functionality of stopping solenoid x Check fuel pump between tank and aggregate x Check fuel filling pump x Check pre-lubrication, check pre-lubrication and break periods x

Exhaust system Visual inspection x

Cooling system Check thermostat x annuallyItem numbers Maintenance work Maintenance level monthly

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Check ventilation of engine room, x Check supply and exhaust air louvers for functionality and smooth running x

Check cooling water circulation pump x Check cooling water preheating, adjust if required x Check cooling water level in compensation tank x Check limit value transmitter and filling level monitor x

Measuring devices Check temperature control switch, remote thermometer, x oil pressure gauge and oil pressure sensor x Check display/measuring instruments in the switch cabinet x

Starter battery and charger Check battery charging and density and re-charge if required x

Check connections, clean and grease if required x Check charging state of individual cells x Check all functions of battery charger x Check battery undervoltage and overvoltage detector, adjust if required x

Control of emergency power system Functional check of operating modes x Automatic x Test x Manual with/without load x Check emergency shut-off function x Synchronization: Check automatic/manual x Check-resynchronization x Check network disconnection/protection x Check network/generator voltage monitor, adjust if required x

Execute power failure test x Check start delay time, adjust if required. x Check takeover time of emergency power system, adjust if required x

Check reset delay after power recovery x Execute a test start. If required, connect consumers via push button control x

Start via starter switch x Check horn with disconnection x Check signal lamps x Simulate or stimulate all error messages x Check switch contacts for loss of contact material x Check connections and ground connections x Check remote signaling x Clean active and inactive parts x

Generator Check constant voltage unit, check regulation x Check connections of power cables with torque x Re-lubricate roller bearings in accordance with lubrication regulations x

Check coil for dust deposits and remove dust x by blowing out x Check connections at controller x

General Check the aggregate room x

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Check groundings x Check labelings and room markings x Check that circuit diagrams are complete x Check completeness of safety resources (fire extinguishers, emergency lighting, flashing light) x

Complete inspection records x

The scope of work specified in the maintenance plan applies for various network systems and need not comply completely with the machine to be serviced in this specific case.

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