Maintenance
E:\shares\Baprod\BA\subtec_m\sewage\us\hc\maintenance.fm 7-7
Emptying the leak chamber1 Slowly remove the screw plug (L) from the leak chamber and drain the collected fluid.
2 Clean the screw plug (L), fit with a new sealing ring and screw it in again.
Changing the coolantThe coolant should only be changed when the motor is cold. If the motor is still warm or hot, an
incorrect filling level is displayed, as the coolant expands under heat.
1 Unscrew one of the drain plugs (K-). Drain the coolant and collect it in a suitable reservoir.
For complete drainage, the machine must be slightly tipped on to its side.
Make sure that the machine cannot fall and/or slip away.
2 Clean the drain plug (K-), fit it with a new seal and screw it in again.
3 Loosen and remove the four hexagon socket screws (K+) on the motor cover.
4 Remove the motor cover.
5 Fill up coolant. Two markings are worked in on the inside of the housing. The upper marking
(K max.) shows the maximum fill level.
In order to permanently guarantee frost and corrosion protection, the
manufacturer's filling P35 must be used for topping up.
6 Put the motor cover back on and screw on the four hexagon socket screws (K+).
Fig. 7-2: Position of the screw plugs
K-K-
K+
K+
K Maximum
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