17
OIL IN
OIL OUT
OIL IN
OIL CHANGE
The oil housing may be under
pressure. Hold a rag over the oil
plug to prevent splatter.
1. Lay the pump on its side on a bench or over two
supports. Unscrew the oil housing screw (oil plug)
marked “oil out”. Emptying the oil must be done
through the “oil out” hole.
2. Turn the pump. Unscrew the “oil in” oil hole screw/
plug. In order to drain out all oil, the pump must be
raised upright for a short while during drainage.
3. Replace the O-rings under the oil housing screws
(plugs) with new ones.
4. Install the “oil out” screw/plug and fill with oil
through the other hole. It is important that the oil
be added through the hole marked ”oil in” since
the oil housing must contain some air for pressure
equalization. The pump should be tilted slightly
and put down again horizontally in order to get
the full amount of oil in.
A paraffin oil with viscosity close to ISO VG32 is
recommended (e.g. Mobil Whiterex 309). The
pump is delivered from factory with this type of oil.
Approx. oil quantity
Pump l US quarts
3085 1.0 1.1
3085.280/290 0.8 0.8
3102 1.0 1.1
3127 2.0 2.1
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