English (GB)
20
9.5 Assembling - S pump
The torques for the screws and the lubricants for the O-rings are
specified in section 6. Torques and lubricants.
9.5.1 Fitting the stator
Fig. 19 Fitting the stator
1. Place the stator package (48) in the assembly ring. Make sure
that the stand is high enough (dimension H).
2. Heat the stator housing (55) to 200-250 °C with gas burners or
in a oven.
3. Lift the heated stator housing (55) over the stator (48) and
lower it carefully onto the stator (48). Make sure the position is
correct.
4. Check the assembly dimension A.
9.5.2 Fitting the rotor
1. Fit and lubricate the O-rings (72 and 72a).
2. Fit the eye bolt in the shaft end and lift the rotor assembly into
the stator housing (55) using a hoist.
Make sure to position the rotor assembly in accordance with
the marking made during dismantling so that the oil holes of
the oil cover are positioned directly above the oil holes of the
seal housing.
3. Carefully tap on the lower bearing bracket (155) into the stator
housing (55).
9.5.3 Fitting the upper bearing
1. Place the shaft (172) in vertical position so that the shaft end
is pointing downwards.
2. Heat up the ball bearing (154) to 110 °C and fit it on the shaft.
3. Let the assembly cool down.
4. Grease the ball bearing (154). Fill only 50 % of the free space
of the bearing.
9.5.4 Fitting the upper bearing bracket
1. Pull the stator cables through from the cable holes.
2. Fit the upper bearing bracket (61) to the stator housing (55).
If needed, tap gently.
3. Fit the pin (59b).
4. Connect according to the wiring diagram. See section
11.4 Electrical connections.
9.5.5 Fitting the lower bearing
1. Place the shaft in vertical position with the shaft end pointing
upwards.
2. Fill the bearing bracket cover (60) with grease and place the
cover on the shaft so that it is lying against the rotor.
3. Place the washer (187a) and the circlip (187) on the shaft.
4. Heat up the ball bearing to 110 °C and fit it on the shaft.
5. Let the assembly cool down.
6. Grease the ball bearing (153). Fill only 50 % of the free space
of the bearing.
7. Heat up the lower bearing bracket (155) to 110 °C and press it
home.
8. Fit the bearing bracket cover (60) and screws (182b) to the
lower bearing bracket cover (155).
TM06 7907 4216
Range
Lamination
length
L [mm]
Assembly
ring height
H [mm]
Stator
wires
Assembly
dimension
A [mm]
66
210 min. 215
Up
210
250 min. 175 170
255 min. 170 165
280 min. 145 140
70
400 min. 250 245
450 min. 200 195
260 min. 235 230
300 min. 195 190
340 min. 155 150
Only press on the inner ring of the bearing.
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