BRINKMANN-Cutter pumps SBC152
0…1820
BE8085
Edition
11/2019
11
10.2
Indications to the spare part or-
der
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. SBC1820
2. Pump No.
e.g. 11198085
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. connection cover item No. 52
11
Repair Instructions / Replac-
ing the rotary mechanical
seal / the shaft clamp
11.1
Replacing the rotary mechanical
seal
WARNING
Risk of injury due to sharp edges on pump
components, i.e. impeller blades!
– Wear safety gloves!
– Disconnect the pump electrically and me-
chanically.
– Note the markings on the pump compo-
nents prior to dismantling.
– When completely dismantling a unit with
dual axial face seals, drain the medium in
the blocking chamber through the screw
plug (27).
– Loosen the socket head cap screws (60) and
remove the connection cover (52).
– Loosen the Socket head cap screws (82) and
remove the agitator (81) with serrated lock
washer (84).
– Loosen the socket head cap screws (58) and
remove the shim ring (55) and the chip
breaker (56).
– Loosen the socket head cap screws (54) and
remove the intake cover with o-ring (67).
– Loosen the shaft nut (80) and remove the
suction screw (78).
– Remove the key (79) from the insert shaft
(91) and remove the spacer sleeve (57).
– Use two screwdrivers to push the impeller
(75) from the insert shaft (91). Insert the
screwdrivers between the impeller (75) and
the pump body (50).
– Remove the woodruff key (53) from the insert
shaft (91). Loosen the socket head cap
screws (65) and remove the bushing car-
tridge assembly (61) with the shim ring (83).
– Remove the circlip (25) and the shim ring
(22).
– Remove the rotating axial face seal unit (24b-
24e).
– Loosen the Socket head cap screws (31) and
remove the pump body (50).
– Remove circlip (25) and shim ring (22) and
remove the rotating axial face seal unit
(24b-24e).
– To replace the insert shaft, see position
11.2).
– When changing an axial face seal, re-
move the stationary axial face seal unit
(24a) from the pump body (50) and pump
foot (12). Clean the seat of the seal and
the pump parts!
– The mechanical seal (24) should now be
completely replaced. If necessary replace the
o-rings (67), (77) and impeller (75).
– Fit a new mechanical seal.
– The sliding surfaces of the axial face seal
must be free of dirt and grease. Lightly mois-
ten the collar (24a) with prill water and press
the stationary axial face seal unit (24a) into
the pump body (50) and pump foot (12).
– Slide the rotating axial face seal unit
(24b-24e) onto insert shaft (91) and fix in
position using shim ring (22) and circlip
(25).
– The remainder of the reassembly process is
to be completed in the opposite order of the
prior described dismantling process.
ATTENTION
Assembly help and detailed instruction is de-
manded for the assembly of the pump and
adjusting of the cutting unit!
– Request the required documents from the
manufacturer.
Drawing 5