39
OPERATION AND MAINTENANCE MANUAL
QTS SERIES
Twin Screw Positive Displacement Pump
QTS-M
08
11
11.
At this point the rotors move
independently. Insert a thickness gage at
both flanks between rotors to synchronize
them. View the thickness gage table.
12.
On the back of the pump, align the
tapered rings together. Push the tapered
drive ring
(18)
to make the driven gear
(42)
touch the shaft shoulder and insert the
tapered driven ring
(20)
back on the shaft.
Use a flat screwdriver if needed to open the
ring. Do not tighten yet.
13.
On the front of the pump, equally
distribute the space between flanks
using the thickness gages in both sides.
Avoid excess of gage compression while
synchronizing the rotors.
14.
Proceed to 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.
41
42
3
2
41
42
3
2
3
41
42
2
GAGE
GAGE
45
GAGE
46
45
GAGE
46
MAI
N
T
E
N
AN
C
E
