Repair Instructions / Replacing Shaft Clamps And Shafts - Brinkmann SFC1520 Series Operating Instructions Manual

BRINKMANN-Cutter pumps SFC1520...3000
Indications to the spare part order
10.3
Spare parts are available from the supplier.
Standard commercially available parts are to be
purchased in accordance with the model type.
The ordering of spare parts should contain the
following details:
1. Pumptype
e.g. SFC1520 / 370
2. Pump No.
e.g. 11193185
The date of the construction year is a compo-
nent of the pumps type number.
3. Voltage, Frequency and Power
Take item 1, 2 and 3 from the nameplate
4. Spare part with item No.
e.g. Intake cover item No. 53
11 Repair Instructions / Replac-
ing shaft clamps and shafts
1 = Shaft clamp
2 = Insert / extension shaft
3 = Motor shaft / Insert shaft
Drawing 6
Dismantling the insert shaft or ex-
11.1
tension shaft
– Disconnect the submergible pump from the
mains both electrically and mechanically.
CAUTION
Risk of burns!
– The pump must have cooled down suffi-
ciently prior to commencing any repair or
maintenance.
WARNING
Risk of squeezing or crushing body parts
when installing or removing the pump ex-
ists!
– Secure pump with appropriate hoist.
– Remove pump from system. Secure pump
against tipping over, i.e. use ropes to secure
pump.
– Disassemble the fan cover and the fan from
the motor.
– Set the pump down on the end of the shaft (a
fixture must be used).
– Dismantle the pump unit and the extension
pump body (if appropriate).
BE3185
1
3
2
WARNING
Risk of injury due to sharp edges on pump
components, i.e. impeller blades!
– Wear safety gloves!
WARNING
Risk of injury by discharging parts!
– Do not, under any circumstances, remove
the screws on the shaft clamp (1) com-
pletely.
– Remove the extension shaft (2) and shaft
clamp (1).
– Dismantle the pump body.
– Loosen the screws on the shaft clamp (1)
(see above), pull the insert shaft (2) off the
motor shaft (3).
Assembling the insert shaft and
11.2
motor shaft
WARNING
Risk of jamming or crushing during pump
installation or removal!
– Secure pump with appropriate hoist.
– Clean the contact surfaces of the insert
shaft (2) (inside) and the motor shaft (3).
They must not be lubricated or oiled.
– Set the pump down on the end of the shaft.
– Position the shaft clamp (1) (use a new shaft
clamp) in the centre of the cranked clamping
diameter (2) of the insert shaft.
– Insert the motor shaft (3) into the insert shaft
(2).
– Tighten:
Mark the first screw and tighten all the screws
evenly by hand, one after the other in a clock-
wise direction (not cross-ways).
– (up to 11 kW)
Use a torque screwdriver to tighten each
screw first with 2 Nm then with 3,5 Nm and fi-
nally with
5 Nm (in a clockwise direction again).
– Repeat the last turn (with 5 Nm) 3 times.
– (> 11 kW )
Use a torque screwdriver to tighten each
screw first with 2 Nm then with 7 Nm and finally
with 12 Nm (in a clockwise direction again).
– Repeat the last turn (with 12 Nm) 3 times.
11/2019
Edition
ATTENTION
12