Doosan 7/71 - Maintenance

OPTIONS
40
7/71, 12/56
MONITORING DURING OPERATION
Should any of the safety shut-down conditions occur, the unit will
stop. These are:
. Low engine oil pressure
. High air discharge temperature
. High engine oil temperature.
. Alternator/drive belt failure circuit.
. Low engine fuel level.
CAUTION: To ensure an adequate flow of oil to the compressor at low
temperature, never allow the discharge pressure to fall below 3,5 bar.
DECOMMISSIONING
When the machine is to be permanently decommissioned or
dismantled, it is important to ensure that all hazard risks are either
eliminated or notified to the recipient of the machine. In particular:−
. Do not destroy batteries or components containing asbestos
without containing the materials safely.
. Do not dispose of any pressure vessel that is not clearly marked
with its relevant data plate information or rendered unusable by drilling,
cutting etc.
. Do not allow lubricants or coolants to be released into land surfaces
or drains.
. Do not dispose of a complete machine without documentation
relating to instructions for its use.
MAINTENANCE
General
Ensure all electrical equipment is properly maintained and
controlled.
Ensure all earth connections are secure and regularly maintained.
Earth leakage circuit breaker (ELCB)
The earth leakage circuit breaker must be mechanically tested daily
by pushing the test button with the machine in its no load condition. The
ELCB should trip to the off (down) position.
The earth leakage circuit breaker should also be tested every 3
months. A proprietary test meter should be used to induce live to earth
preset flow at each socket outlet. This current flow will produce the
required earth fault check. The test should be conducted in accordance
with appropriate national standards.
Instruments and controls
A Voltmeter is provided to indicate the output voltage.
Miniature circuit breakers provide over−current protection. In the
event of excess current the appropriate circuit breaker will trip to the
OFF position.
Note: The current trip rating is quoted at a nominal 40°C ambient
temperature.
An earth leakage circuit breaker provides additional protection in
the event of a leakage to earth in excess of 30 milliamperes on the
connected appliance or in the connections to the generator.
For alternator maintenance refer to Mecc Alte operation and
maintenance manual.