5.6.4
Auxiliary blower switch box
The auxiliary blower switch box is used to operate the auxiliary blowers in Auto mode or Manual
mode.
When the auxiliary switch box is in Auto mode, the first auxiliary blower will start and second will
start after few seconds.
Auxiliary blower will automatically stop when the turbochargers give sufficient air pressure. The
auxiliary blowers will automatically start when the scavenge air pressure drops.
When the engine stops, the auxiliary blowers will continue to operate for some time period for
cooling and ventilation of the engine.
In Manual mode, the operator can start or stop the auxiliary blowers manually.
In Off mode, the auxiliary blowers are switch off.
Fig 5-31
Switch box
001
002
003
004
005
006
007
008
009
010
011
012
013
014
Legend
001
Indicator (auxiliary blower No. 2 running)
008
Restart push button
002
Indicator (auxiliary blower No. 2 overload)
009
Ampere meter (auxiliary blower No. 1)
003
Hour counter (auxiliary blower No. 2)
010
Hour counter (auxiliary blower No. 1)
004
Ampere meter (auxiliary blower No. 2)
011
Supply fault indicator
005
Main switch (auxiliary blower No. 2)
012
Indicator (auxiliary blower No. 1 running)
006
Emergency push button
013
Indicator (auxiliary blower No. 1 overload)
007
Main switch (auxiliary blower No. 1)
014
Control voltage indicator
X72-B
AA00-6547-00AAA-043A-A
Operation Manual
Auxiliary blower switch box
Winterthur Gas & Diesel Ltd.
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Issue 003 2021-12