Fristam Pumps FSP Series, Оригинальное руководство пользователя, Страница: 25 / 36

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8. Adjust the clearances by sliding the pump head inside the
clamp connection. See Chapter 9.9, "Checking of the Clearanc-
es" page 18 . Align the surface of the outlet side (discharge
line connection) horizontally while doing so.
9. Tighten the clamp bolt:
10. Continue with Chapter 9.10.5, "Pump Sealing" page 25 .
9.10.4 Mounting of the Impeller
Fig. 44 Installation of the impeller
1. Force open the plastic snap ring (59) and insert into the shaft
groove.
2. Slide the key (61) and the impeller (60) onto the shaft.
3. Screw the impeller nut (57) with the O-ring (58) hand-tight
onto the shaft.
Fig. 45 Impeller nut tightening
4. Caution! Risk of injury when stopping the impeller by hand.
Block the impeller with a special tool (62) .
 Use the special tool (62) to block the impeller and tighten
the impeller nut (tightening torque = 100 Nm).
9.10.5 Pump Sealing
Note: For pump size 35…, the pump cover has a guide and is
hence seated correctly when mounted. Series 700 pumps do not
have these guides.
Fig. 46 Attachment of pump cover
1. Place the pump cover (64) with the O-ring (65) on the pump
casing and fasten tightly with washers and nuts (63) .
Only for pump size 700:
2. Rotate shaft to check if the impeller rotates freely.
– For rotating, place the socket wrench over the impeller
nut.
3. If the pump shaft does not rotate freely, realign the pump
cover.
Thread Tightening Torque
M16 100 Nm
M24 200 Nm
Table 9 Tightening torques for impeller nuts
Thread Tightening Torque
M10 45 Nm
M12 75 Nm
Table 10 Tightening torques for clamp connection
57 58 59 60
61
62
63
64
65