TOYO PUMPS EUROPE
Edition 03.11.2009
- 8 -
3. Disassembling of the shaft sealed section
a) Unscrew the set bolts (21) and remove the oil inlet covers (66) from the opening in the
under cover (37). Collect the lubrication oil in a recipient. Remove the packings (65).
b) Unscrew the bolts (35A) and remove the oil seal housing B (61) using the adjust bolts
(35C). Remove the packing (62).
c) Remove the distance sleeve (54) and the O Ring (53). Remove the shaft sleeve B (51)
and the bearing lock plate B (48).
d) Unscrew the set bolts (64A) and pull out the oil chamber cover (60) with the adjust
bolts (64C). Remove the packing (63).
e) For taking out the bearing (47), unscrew the set bolts (59A), remove the bearing set
plate (46), and then extract the bearing by pressure.
f) Remove the bearing sleeve (45) and unscrew the set bolts (35A) to extract the oil seal
housing A (58). Remove the packing (57).
g) Remove the O Ring (40) and the shaft sleeve A (44).
h) Remove the oil seals (41)(49), the Rareflon seals (43)(52) and the space rings (42)(50)
from the housings (58)(61).
4. Disassembling of the motor section
a) Set up the pump up side down, posed on the upper cover.
b) Unscrew the bottom cap nuts (32C) of the motor case (28).
c) Lift up the under cover (37) rotor (30) and shaft (29) assembly using a lifting device.
Separate them from the motor case (28) with help of the adjust bolts (32D).
d) Unscrew the set bolts (35A) of the bearing cover (34).
e) Separate shaft (29) and rotor (30) from the under cover (37) using a lifting device.
f) Lay down the shaft (29) with rotor (30) horizontally and pull out the bearings (38)(39)
and the internal bush of the bearing (23) with help of an appropriated extractor.
g) The wires coming out of the stator has to be preliminary disconnected of the terminal
board of the pump (see 1c) and then unscrew the upper cap nuts (32C) of the motor
case (28). Separate the motor case (28) with stator (31) from the upper cover (16) of
the pump. Remove the packing (19).
h) If necessary, pull out the bearing cover A (26) and the external bush of the bearing (23)
from the upper cover (16).
