Operat ion and Maintenance Manual
QTS Series Twin Screw Positive Displacement Pump
M
A
IN
T
E
N
A
N
C
E
11. At this point the shafts can move
independently. Insert a thickness gage at
both flanks between rotors to synchronize
them. Consult the thickness gage table.
11
12. On the back of the pump, align the tapered
rings together. Reset the tapered drive ring
(18) to its original position if necessary
(
20
) back on the shaft. This step is only for
alignment, tightening is not required. Use a
flat screwdriver if needed to open the ring.
4
41
13. On the front of the pump, equally
distribute the space between flanks using the
thickness gages in both sides. Avoid excess
3
gage compression while synchronizing the
rotors.
14. Tighten the tapered driven ring (
20
).
Tighten the socket head cap screws (
46
)
uniformly, by alternating between them until
the maximum torque is reached. View
torque table.
4
42
2
GAGE
GAGE
45
46
32
Ampco Pumps Company QTS Manual M-030 Rev A 1.16
