Pressure Switches
Inspection / Adjust
A5.05. 11.01.02.01
3750
M20-M601C
en / 31.05.2000 IB021686 1/3
11
Ĺ
See also:
Spare parts list: B1.05.11.9.4843
Time requirement: 1 Pers./ 1,00 h
Personnel qualification: skilled engine hand
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Operating medium: Heavy fuel and distillate fuel
Tools:
Adjusting device, electro test instrument
Inspection:
Inspect the pressure switch for the set operating values every 3,750 working hours.
Note:
The following test and adjustment instruction is valid for the following types:
• Pressure range 0.2 - 2.5 bar mechanical switching differential: 0.15 bar
• Pressure range 0 - 6 bar mechanical switching differential: 0.2 bar
• Pressure range 1 - 16 bar mechanical switching differential: 0.4 bar
• Pressure range 0.9 - 1.5 bar mechanical switching differential: 0.08 bar
• Pressure range 2 - 25 bar mechanical switching differential: 1,5 bar
Sequence of operations:
1. Connection of the adjusting device
1.1 Close the cock of the pressure piping (Fig. 1/1).
1.2 Loosen the union nut (2) and remove the dummy plug (pressure release of the piping, at
liquid medium collect the liquid with a rag).
1
Fi
. 1
2
Z
X
Z
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