Operat ion and Maintenance Manual
QTS Series Twin Screw Positive Displacement Pump
M
A
IN
T
E
N
A
N
C
E
MARK THE ROTOR
15. At this point gears are locked, rotors are
synchronized and you can remove the
thickness gages.
16. Undo the rotor nuts (
11
) and mark the
rotors with their corresponding marks on
the shaft using permanent ink or by making
a notch. View original rotors spline as
example.
17. Remove the rotors and rotary holder
subassemblies.
18. Assemble the gear case cover (
10
) and fill it with ISO VG-68 oil.
47
10
33
9
48
10
OIL
50
6
19. Continue to assemble the pump, described in the Seal Assembly and Rotor Assembly section.
Ampco Pumps Company QTS Manual M-030 Rev A 1.16
33
