Friedrich Leutert GmbH & Co. KG MSI-3 Operating Instructions, Page 7
3 Operating Procedure
WARNING
Check the maximum pressure of the indicator.
WARNING
Put on gloves as the instrument will get very hot during operation. The use of safety glasses
is required when operating the indicator as hot gas and particles may be ejected from the
engine.
Blow out the indicator valve before mounting the indicator to remove possible condensed water,
oil or soot deposits which could result in wrong indication of engine pressure.
DANGER
The valve ejects hot gas under high pressure. Danger of sparks and burns!
Close the indicator valve.
Mount the indicator onto the indicator valve.
WARNING
Exclusively use hollow spanner provided to attach or remove indicator from indicator valve.
Hammering on the extensions of the connecting nut will damage the nut. As a result the
nut might brake apart and detach itself and owing to the presence of high pressure severe
injury or death may result.
The indicator should be mounted close to the engine cylinder to be tested. If necessary the
indicator connections may be placed at the side of the engine cylinder leaving the indicator in
a horizontal position. This will not effect the correct function of the indicator. In some cases
extension tubes are required to attach the indicator.
Close the venting screw on the indicator.
CAUTION
Whenever the indicator valve is open, the venting screw must remain in closed position and
must not be opened.
Open the indicator valve fully.
After a measuring period of approximately 5 seconds, peak pressure readings may be taken.
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