
/ / FP PUMP SERIES / / /
26
►
Slide the preassembled pump casing
with the shims
over the shaft to the flange
and screw on (see
Chapter 10.1, "Specifications," page 28
Pump With Clamp Connection
Fig. 49
Mounting of the pump casing with a clamp connection
1. Slightly spread the clamp connection with a wedge
2. Only for double shaft seal: Slide the motor-side seal set onto
the pump shaft.
3. Install the entire shaft seal housing with seals into the pump
casing and secure to prevent slippage.
4. Slide the pump casing over the pump shaft into the clamp
connection and slightly tighten the clamp bolt
5. Slide the pump-side seal set onto the shaft.
6. Insert the key, the slotted plastic ring, and the impeller.
7. Insert the O-ring into the impeller nut, block the impeller to
prevent it from twisting, and tighten the impeller nut.
8. Adjust the clearances by sliding the pump head inside the
clamp connection (see
Chapter 9.9, "Checking of the Clearanc-
). Align the surface of the outlet side (discharge
line connection) horizontally while doing so.
10. Continue with
Chapter 9.10.5, "Pump Sealing," page 26
9.10.4 Mounting of the Impeller
Fig. 50
Mounting of the impeller
1. Force open the plastic snap ring
and insert into the shaft
groove.
2. Slide the key
onto the shaft.
3.
Caution:
Risk of injury when stopping the impeller by hand.
►
Block the impeller with a wooden wedge.
4. Screw the impeller nut
with the O-ring
onto the
shaft and tighten (tightening torque = 100 Nm).
9.10.5 Pump Sealing
Fig. 51
Pump cover
►
with the O-ring
onto the
pump casing and screw on with washers
and nuts
.
Thread
Tightening Torque
M16
100 Nm
M24
200 Nm
Table 10 Tightening torques for impeller nuts
Thread
Tightening Torque
Special motor
M10
36 Nm
Standard motor
M10
45 Nm
M12
75 Nm
Table 11 Tightening torques for clamp connection
55
56
57
58
59
60
61
62
63
65
64