• Never refill the fuel tank while the engine is running.
6.3 Break-in period
The first 20 hours running is the break-in period of the engine. Please follow up below instructions:
(1) Warm up the engine 5mins before the initial starting. Run the engine at zero load the engine
is warmed.
(2) Do not apply any heavy load to the genset during break-in period. The load around 50% of
the rated power of genset is recommended.
(3) Replace engine oil periodically. Engine oil must be replace after initial 20 hours running.
Drain off the old oil and refill the fresh oil after engine run 2-3minutes.
7. LOAD
CAUTION
• Do not start two or more loads simultaneously. Start them one by one.
• Do not use floodlights together with other machines.
7.1 AC application
1. Be sure to run the generating set at rated speed, otherwise AVR (Automatic Voltage
Regulator) will produce the forced excitation. If the genset run long time under such
condition, AVR will be burned out.
2. After switching on the air breaker, observe the voltmeter on the control panel, the voltmeter
should point to 230V±5% (50Hz) for single-phase unit, 400V±5% (50Hz) for three-phase
unit, then connect the loading to the unit.
3. When the double voltage generating set changes over the voltage, the air switch should be
set at "OFF" position. Otherwise the genset and electric devices will be burned out and
damaged.
4. Connect the equipment to the generating set in queue. In case of motor load, firstly the
heavy-duty motor should be connected, then the light-duty motors. If the operation is false,
the generating set will lag or stop suddenly. lt is necessary to unload the generating set
immediately and turn off the main switch and do checks.
5. Three-phase generating set
• Balance three phases during the operation. Stop the engine for check if the tolerance
exceeds 20%. Be sure to keep the tolerance among three phases less than 20%.
• The load for each phase must below the rated load as well as the current must less than
rated current.
A, B,C,D (or U, V, W, N) phase sequence should be from left to right, or clockwise.
• Concerning three phase asynchronous motors, first start the heavy duty motors, then start
the light-duty motors.
Ver. 3/Rev. 2; Data: 8.08.2022 45
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