Q-Pumps QTS 203, Руководство по эксплуатации и обслуживанию, Страница: 15 / 44

15
Operation and Maintenance Manual
QTS Series Twin Screw Positive Displacement Pump
QTS-M04
M
A
INTE
N
A
N
C
E
lb·ft
lb-ft
lb-ft
lb-ft
lb-ft
lb-in
Bill of Materials
Please use this table and diagram to identify every component to be assembled.
Bill of Materials:
1 Front cover 19 Synchronization ring 37 Front bearing
2 Left rotor 20 Tapered driven ring 38 Rear bearing
3 Right rotor 21 Cover nut 39 Lock washer
4 Pump casing 22 Flat washer 40 Socket head cap screw
5 Back cover 23 Spring washer 41 Drive gear
6 Gear case 24 Set screw 42 Driven gear
7 Pump base plate 25 Dowel pin 43 Bearing lock washer
8 Driven shaft 26 O-ring 44 Bearing lock nut
9 Drive shaft 27 Gasket 45 Lock washer
10 Gear case cover 28 Socket head cap screw 46 Socket head cap screw
11 Rotor nut 29 Front seal 47 O-ring
12 Mechanical seal 30 Flat washer 48 Pressure release valve
13 Button head set screw 31 Hexagon bolt 49 Rear seal
14 Stud 32 Eye bolt 50 Oil sight glass
15 Bearing spacer 33 Hexagonal bolt 51 Hex Plug
16 Gear spacer 34 Gear key 52 Plug
17 Retaining flange 35 Coupling key 53 Plug
18 Tapered drive ring 36 Lock ring 54 Nipple flush
Note: Depending on the model, some components may not be included.
Torque Values
Use the following torque table to tighten each item when indicated on the manual:
# Part Piece QTS 100 QTS 200 QTS 300
21 Front cover nuts 15 20 30
11 Rotor nut 35 40 50
40 Socket head cap screw (bearings) 10 15 20
44 Bearing lock nut 25 30 40
46 Socket head cap screw (sync ring) 2.1 4.2 6.25
25 50 75
Coupling set screws 10 lb·ft for all models.
Hexagonal bolts/hexagonal nuts motor/base, pump/base, 40 lb·ft.
Any other screw 10 lb·ft.
Minimum Thickness Gage
Model Value
100 0.007 in
200 0.007 in
300 0.010 in
Note: Value at both flanks of rotor