TPR 40, 15 kW - 21
Part No 9045
Service
Th
e pump should be inspected at least twice a year and lubrica-
ted according to the lubrication intervals at the bottom of this
page.
1. Start the pump and listen for abnormal sounds. When all
outlets are closed a weak hissing sound should be heard
from the vacuum relief valve.
2. Shut
off the pump and lock out the electrical service.
3. Remove the protective panels from the pump.
4. Rotate the pump manually and listen for any sounds indi-
cating a worn bearing or misligned impellers.
5. Check the condition and tension of the drive belts. Th
e
drive belts are matched, therefore new and old belts should
never be used together. Always change the whole set. (A).
Changing the belts
-
Lift the motor mounting plate with nut (1).
-
Change belts.
-
Tighten the belts with nut (2) and adjust to the tension il-
lustrated (B).
6. Check that the axles, pump and motor are parallel and the
pulleys are true. Th
e belts should not run on an angle into
the pulleys. Th
e inclination of the pump can be changed
with screw (3), fi g C.
7. Th
e bearings of the turbopump should be lubricated with
Dustcontrol bearing grease for turbopumps, Part No. 9928.
Lubrication
-
Th
e front bearing should be lubricated using the grease
nipple (4), fi g (C). Press grease in until it comes out along
the axle.
-
Th
e back bearing should be lubricated by removing the fi n-
ned bearing cover plate (5) and checking the condition of
the grease. Fill the cavity 2/3 full with new grease.
-
Exchange the O-ring, Part No. 4789 and replace the bea-
ring cover plate.
Lubrication Interval
Δ
p TPR
40
22 kPa
1500 h
25 kPa
750 h
28 kPa
-
30 kPa
-
40 kPa
-
EN
G
L
ISH