Kongskilde RV 20 Instructions De Service page 15

Mounting of outlet
The rotary valve is available with
outlets for vertical and horizontal
connection.
RVE 20 RVD 20
RVE 40
It is important that the outlet for
horizontal connection is oriented as
shown, failing which the valve ca-
pacity will be reduced.
Wiring
Check that the mains supply meets
the motor speci fication.
The motor must be protected from
being overloaded by a protec tive
motor switch.
The direction of rotation of the cell
wheel is shown by an arrow on the
valve. If the direction of rotation is
wrong, the capacity will be reduced
and the motor may become over-
loaded.
Maintenance
RVD 40
Lubrication
Bearings for cell wheel: RV 20
is greased for life from the factory.
Grease RV 40 for every 1000
operating hours with a first-class
ball-bearing grease.
Gear: The gear is supplied from the
factory incl. of synthetic oil. Change
oil every 20.000 running hours, or
latest after 4 years (at synthetic oil).
At mineral oil, the intervals will be
halved.
Reccomended synthetic oil types
are:
Castrol Alphasyn GS 680
Mobil Glygoyle 680
Shell Omala S4 WE 680
Oil quantities:
Gear MRV 50
for RV 20: ............................0.4 litre
Gear MRV
for RV 40: ............................0.8 litre
Note: Never mix synthetic oil and
mineral oil. If you want to change
oil type, it is necessary to clean the
gear very care ful ly.
Cleaning
The gear motor must not be cover-
ed up. Keep it free from dirt which
may reduce the cooling of the mo-
tor.
Rotor
The rotor blades are provided with
replaceable air-tight paddles. As
the paddles rotate very close to the
valve housing they will gradually
wear off.
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