Key for the labelling of the screw plugs
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Key for the labelling of the screw plugs
For large units, or on request of the customer, the plugs required for the maintenance work are
marked with labels. The following is a key explaining exactly what each letter on the labels mean:
-
K
=Cooling system plug. The top plug is the filling plug (also marked as K+) for the coolant,
the bottom one is the coolant draining plug (also marked K-).
-
D
=Sealing room or sealing chamber plug. The top plug is the filling plug (also marked as D+)
for the oil, the bottom one is the oil draining plug (also marked D-). If only one plug is labelled,
the oil must be drained off and refilled using this plug.
-
M
=Motor chamber plug. The top plug is the filling plug (also marked as M+) for the oil, the
bottom one is the oil draining plug (also marked M-). If only one plug is labelled, the oil must
be drained off and refilled using this plug.
-
L
=Leak chamber plug. The fluid is drained off from the leak chamber through this plug (also
marked L-).
-
S
=Condensation chamber plug. The fluid is drained off into the condensation chamber
through this plug.
-
F
=Leak chamber plug for the lubricating nipple. This plug protects the lubricating nipple from
dirt. The anti-friction bearings are regreased using the lubricating nipple behind them.
The signs are made out of stainless steel or PVC. They are attached in the immediate vicinity of the
respective plug. They are designed to help when maintenance is required. If the signs have been
removed or lost, you will find an illustration of the plugs in the “Servicing" chapter.
