8 Servicing/Maintenance
58 of 104
mini-Compacta
2317.886/16-EN
210
550
230
100
A
=
3
4
,5
Fig. 31:
Checking the impeller clearance
2. Mount the rotating assembly on plate 185 using hexagon socket head cap
screws 914.04 and discs 550.04.
3. Tighten pump casing 100 with studs 902.03, discs 550.03 and nuts 920.03 at
lantern 343 to max. 12 Nm.
4. Secure nuts 920.03 with Loctite
®
.
5. After mounting the rotating assembly on the plate, turn the impeller to check
for rubbing noises.
6. Fit rotating assembly 01-44 in casing 100.
8.5 Installing the float switch
ü
A residual fill level of approx. 50 mm is available in the collecting tank. Top it up
if necessary.
1. Install float switch 81-45 incl. O-ring 412.31 with hexagon socket head cap
screws 914.31 and discs 550.31. Observe the tightening torques.
(
8.6 Fitting the repair kit and check valve
CAUTION
Unevenly tightened screws/bolts
O-ring 412.23 will be destroyed!
▷
When tightening the four M8 hex. socket head cap screws 914.21 on the tank,
tighten the screws crosswise, evenly and repeatedly (max. 2 turns) to a torque
of 6 Nm.
Non-compliance may result in leakage and destruction of O-ring 412.23.
