ORPU Orcut TES 148 Quick start guide

Disassembly/ Assembly of cutting system with
end-face seal at TES 148
1

Disassembly of cutting system with
end-face seal at TES 148
•Wear safety goggles and protective gloves
•Clean the pump from heavy soiling
•Place the pump with the intake upwards in a
suitable device
•Remove the fixing screws 4x M6x16 DIN 6912
2

Disassembly of cutting system with
end-face seal at TES 148
•Evenly screw in 2 opposite studs M8x12
DIN 913
•Thereby the knife is lifted out of the pump
housing
•Screw until the knife can be removed by hand
•Be sure to wear protective gloves
3

Disassembly of cutting system with
end-face seal at TES 148
•Slide the lever with claw 14x14 length 390 into
the discharge port, minimum 200 mm
•Turn the cutter until the lever clamps in the
rotary disk
4

Disassembly of cutting system with
end-face seal at TES 148
•Loose the cutter with an Allen key 8 mm
•If necessary, hit the cutter with a hammer
(wear protection goggles)
•if the cutter can not yet be loosened, smooth
separation can be caused by heating
•For this purpose heat the cutter evenly in the
area of the impeller
•After heating the cutter can be loosened
•Allow the cutter to cool down and disassemble
Note:
The more the cutting is worn out the more
complicated is the disassembly
5

Disassembly of cutting system with
end-face seal at TES 148
•Disassembled cutting system
•In the intake of the single-channel impeller the
lever can be seen
6

Disassembly of cutting system with
end-face seal at TES 148
•After dismantling the cutting system the end-
face seal can be dismantled if necessary
•Disassembly of the impeller retaining washer
by loosening the countersunk screw with a
hexagon socket
•After loosening, the countersunk screw M8x25
DIN 7991 and the impeller retaining washer
need to be removed
•Remove the lever from the impeller now
7

Disassembly of cutting system with
end-face seal at TES 148
•Remove the pump housing by dismantling the
5 hexagon socket screws M8x35 DIN 912
8

Disassembly of cutting system with
end-face seal at TES 148
•Pull of the impeller with dismantling tool
ORPU order number 170002
•Insert the pressure piece in the hole M8
of the shaft
•Screw the dismantling tool into the impeller
•Hold the dismantling tool with a spanner 36
•Screw in the pressure screw by using an Allen
key 14 mm
•The impeller is pulled by the shaft
•The end-face seal is now accessible
9

Disassembly of cutting system with
end-face seal at TES 148
•The single-channel impeller is dissembled now
•Now it is possible to control the oil
•If the oil is mixed with water (turbidity of oil), the
end-face seal must be replaced
•The parallel key needs to be removed from the
groove to dismantle the end-face seal
•With a sharp punch it is no problem
10

Disassembly of cutting system with
end-face seal at TES 148
•After the dismantling of the locking ring DIN
471 with a locking ring plier, the end-face seal
can be pulled from the shaft
•The use of 2 stable slot screwdrivers has
proven to be successful
•Remove the counter ring from the oil housing
afterwards by removing the 4 Allen screws
M8x25 DIN 912 and removing the counter ring
from the oil side
11

Assembly of cutting system with
end-face seal at TES 148
•Replace the shaft seal 20x35x7 DIN 3760 NBR
as well
•Fill in the new oil before assembling the oil
cover (Lubricating oil CL32 ISO VG32)
•The correct level is reached when the oil
comes up to the tapering on the end plate
•Now mount the oil cover by using the shaft
sleeve
12

Assembly of cutting system with
end-face seal at TES 148
•Clean the sealing surface thoroughly with a
suitable cleaner (brake cleaner has proven its
reliability)
•For an easier installation of the counter ring,
moisten the O-ring with detergent
•Use an assembly sleeve (170020) to assemble
the end-face seal
•Press down the end-face seal with the tool
(170018) and install the shaft locking ring
afterwards
•Insert the parallel key
13

Assembly of cutting system with
end-face seal at TES 148
•Slide the impeller onto the shaft
•Consider the allignment of the parallel key
•Moisten the countersunk screw with screw
locking medium strength
•Guide the countersunk screw through the
impeller retaining washer and screw it in the
shaft
•Hold the impeller with the help of the lever
•The lever stays in the impeller
14

Assembly of cutting system with
end-face seal at TES 148
•Screw the cutter in the impeller and tighten it
with an Allen key
•Hold the impeller with the help of the lever
•Place the knife with O-ring 80x3 in the housing
cover and grease with graphite grease
•Screw the studs 8x12 into the knife
•Place spring lock washers 6 mm DIN 127 with
screws DIN 6912 6x16
•Insert the knife in the pump housing and press
it down (all screws are loose)
•Put on the pump housing
•There should not be a gap between the knife
and the cutter (centered in relation)
•Mount the screws M8x35 DIN 912 on the
pump housing
15

Assembly of cutting system with
end-face seal at TES 148
•Tighten the fastening screws M6x20
•By lifting the knife the cutting gap of
0,10-0,15 mm is adjusted
•The knife is lifted by the studs M8x12
•Tighten the fastening screws after adjustment
•The adjustment must be carried out very
conscientiously
•The cutting system is set well if a distance of
0.1-0.15 mm is set on all webs of the knife
•Only a cutting system, which is set according
to the specifications, ensures a safe operation
16

Disassembly of cutting system with
end-face seal at TES 148
If you have any questions or comments about this
manual during disassembly, please contact:
ORPU Pumpenfabrik GmbH
Lehnitzschleuse 11
16515 Oranienburg
+49 3301/858-0
inf[email protected]
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