21
Wanner Engineering, Inc.
United States Instant Information: www.vectorpump.com
(612) 332-5681 Fax (612) 332-6937 VEC-991-4000B
Vector 4000 Maintenance
6.5 SHOE SHIMMING
(except 4003 and 4004)
Note: The numbers in parentheses are Reference Numbers
located in the Parts List exploded views of this manual.
Note: This paragraph does not apply to pumps 4003, 4004.
CAUTION: The shimming of shoes is an operation which
consists in adding shims under the shoe to stop any in-
ternal leakage. An internal leakage considerably reduces
the life time of the hose as well as the flow. As a result,
it is essential to adjust the shoe’s shimming according
to the rotation speed of the pump, the desired discharge
pressure and the liquid viscosity.
WARNING! Never run the pump without the sight glass.
The shoe shimming can be made without disassembling the
hose or the cover. Shims are inserted or removed thru the
sight glass opening as described in the following steps.
See Figure 18 illustrations.
1. Jog/run the motor and bring a shoe in front of the sight
glass.
2. Cut the power supply of the pump.
3. Unscrew the sight glass bolts (37) and remove taking care in
not damaging the seal.
4. Slightly unscrew the shoe’s fastening bolt(s) and lift the shoe (5)
off the wheel with a screwdriver or a similar tool.
5. You can now either slide in or remove the necessary
number of shims under the shoe.
Note: Consult the shimming table 9.6 to determine the
precise number of shims according to your application.
6. Tighten the shoe bolts (28).
7. Reassemble the sight glass with its seal.
8. Re-connect and jog/run the motor to bring the second shoe
in front of the sight glass.
9. Cut the power supply of the pump.
10. Repeat steps 3 thru 7.
Replace the sight glass seal (46) if necessary.
WARNING!
Use care when you jog/run the motor to avoid injury.
WARNING!
Use care when you jog/run the motor to avoid injury.
Figure 18
37
5
Inserting Shims
