Q-Pumps QTS Series Operation And Maintenance Manual
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Contents
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15Operation and Maintenance ManualQTS Series Twin Screw Positive Displacement PumpQTS-M04MAINTENANCElb·ftlb-ftlb-ftlb-ftlb-ftlb-inBill of MaterialsPlease use this table and diagram to identify every component to be assembled.Bill of Materials:1 Front cover 19 Synchronization ring 37 Front bearing2 Left rotor 20 Tapered driven ring 38 Rear bearing3 Right rotor 21 Cover nut 39 Lock washer4 Pump casing 22 Flat washer 40 Socket head cap screw5 Back cover 23 Spring washer 41 Drive gear6 Gear case 24 Set screw 42 Driven gear7 Pump base plate 25 Dowel pin 43 Bearing lock washer8 Driven shaft 26 O-ring 44 Bearing lock nut9 Drive shaft 27 Gasket 45 Lock washer10 Gear case cover 28 Socket head cap screw 46 Socket head cap screw11 Rotor nut 29 Front seal 47 O-ring12 Mechanical seal 30 Flat washer 48 Pressure release valve13 Button head set screw 31 Hexagon bolt 49 Rear seal14 Stud 32 Eye bolt 50 Oil sight glass15 Bearing spacer 33 Hexagonal bolt 51 Hex Plug16 Gear spacer 34 Gear key 52 Plug17 Retaining flange 35 Coupling key 53 Plug18 Tapered drive ring 36 Lock ring 54 Nipple flushNote: Depending on the model, some components may not be included.Torque ValuesUse the following torque table to tighten each item when indicated on the manual:# Part Piece QTS 100 QTS 200 QTS 30021 Front cover nuts 15 20 3011 Rotor nut 35 40 5040 Socket head cap screw (bearings) 10 15 2044 Bearing lock nut 25 30 4046 Socket head cap screw (sync ring) 2.1 4.2 6.2525 50 75Coupling 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 GageModel Value100 0.007 in200 0.007 in300 0.010 inNote: Value at both flanks of rotor |
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