Taco Comfort Solutions SCX1740 Series Owner'S Manual Download Page 7

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SCX1740

1740-B78643

1740-B78645

1740-B78655

1740-B78646

1740-B78644

Key

Part

No.

1740-B78656

1740-B78658

No.

Description

Used

2 HP

2-1/2 HP

1*

Motor, 115/230V/60 Hz., 1 Phase, ODP

1

B80444

B80445

1*

Motor, 115/230V/60 Hz., 1 Phase, TEFC

1

B80456

1*

Motor, 208-230/460V/60 Hz., 3 Phase, ODP

1

B80450

B80451

1*

Motor, 230/460V/60 Hz., 3 Phase, TEFC

1

B80462

B80463

2

Water Slinger

1

17351-0009

17351-0009

3

Seal Plate

1

C3-200SS

C3-200SS

4

O-Ring

1

U9-434

U9-434

5

Shaft Seal

1

U9-437

U9-437

6

Impeller - 1 Phase

1

C105-214PCASS

C105-214PASS

6

Impeller - 3 Phase

1

C105-214PCASS

C105-214PASS

Impeller Screw - 1 Phase

1

C30-14SS

C30-14SS

Impeller Screw - 3 Phase

1

C30-14SS

C30-14SS

7

Casing/Diffuser Assembly

1

723S3370

723S3370

8

Washer

2

111P0990

111P0990

9

Stainless Steel Plug

2

121P3780

121P3780

10

Screw

8

121P0310

121P0310

11

Nut, M6x1

8

U36-207SS

U36-207SS

12

Base

1

J104-9F

J104-9F

12

Base (1 Phase, TEFC only)

1

J104-9A

J104-9A

12A

Motor Pad

1

C35-5

C35-5

13

Capscrews, 3/8-16x3/4”

2

U30-72SS

U30-72SS

REPAIR PARTS LIST

* For repair or service to motors, always give the motor Model Number and any other data found on the

Motor Model Plate.

• Not illustrated.

SCX1740 Series

2 and 2-1/2 HP

Summary of Contents for SCX1740 Series

Page 1: ...0 60 1 208 230 460 60 3 1 2 SCX1740 1740 B78635 1740 B78636 1740 B78647 1740 B78648 3 4 SCX1740 1740 B78637 1740 B78638 1740 B78649 1740 B78650 1 SCX1740 1740 B78639 1740 B78640 1740 B78651 1740 B78652 1 1 2 SCX1740 1740 B78641 1740 B78642 1740 B78653 1740 B78654 2 SCX1740 1740 B78643 1740 B78644 1740 B78655 1740 B78656 2 1 2 SCX1740 1740 B78645 1740 B78646 1740 B78658 MODELS Taco Inc 1160 Cransto...

Page 2: ...e to service Recommended pump suction and discharge connections Vent Plug Priming Plug Street Elbow Not recommended pump suction and discharge connections Elbow immediately in front of pump suction On the discharge avoid Quick closing valves Small I D pipe Numerous fittings Misalignment Sharp turns in piping run High lift Pipe diameter D too small Pipe submerged less than 4 x D will suck air Long ...

Page 3: ...eal and void warranty It may cause burns to person handling pump Motor normally operates at high temperature and will be too hot to touch It is protected from heat damage during operation by an automatic internal cutoff switch Before han dling pump or motor stop motor and allow it to cool for 20 minutes Pipe Tapping Recommended Size On Pump Pipe Size Suction Discharge Suction Discharge 1 1 4 1 1 1...

Page 4: ...ical Code NEC in the U S or the Canadian Electrical Code CEC as applicable and with all local codes and ordinances that apply Consult your local building inspector for code information 2 Provide a correctly fused disconnect switch for protection while working on motor For switch requirements consult your local building inspector for information about codes 3 Disconnect power before servicing motor...

Page 5: ...press into seal cavity using a 3 4 socket or 3 4 piece of standard pipe 4 DISPOSE OF CARDBOARD WASHER Be sure polished surface of seat is free of dirt and has not been damaged by insertion Remove excess soapy water INSTALLATION OF ROTATING PART OF SEAL UNIT Figure 5D 1 Reinstall seal plate using extreme caution not to hit ceramic portion of seal on motor shaft 2 Inspect shaft to make sure that it ...

Page 6: ...4 U9 434 5 Shaft Seal 1 U9 437 U9 437 U9 437 U9 437 6 Impeller 1 Phase 1 C105 92PNS C105 92PMS C105 92PLS C105 92PBSS 6 Impeller 3 Phase 1 C105 92PNSA C105 92PMSA C105 92PLSA C105 92PBSSA Impeller Screw 3 Phase 1 C30 14SS C30 14SS C30 14SS C30 14SS 7 Casing Diffuser Assembly 1 723S2990 723S2990 723S2990 723S2990 8 Washer 2 111P0990 111P0990 111P0990 111P0990 9 Stainless Steel Plug 2 121P3780 121P3...

Page 7: ... 437 U9 437 6 Impeller 1 Phase 1 C105 214PCASS C105 214PASS 6 Impeller 3 Phase 1 C105 214PCASS C105 214PASS Impeller Screw 1 Phase 1 C30 14SS C30 14SS Impeller Screw 3 Phase 1 C30 14SS C30 14SS 7 Casing Diffuser Assembly 1 723S3370 723S3370 8 Washer 2 111P0990 111P0990 9 Stainless Steel Plug 2 121P3780 121P3780 10 Screw 8 121P0310 121P0310 11 Nut M6x1 8 U36 207SS U36 207SS 12 Base 1 J104 9F J104 9...

Page 8: ...very prepaid to the factory For complete details on warranty returns the purchaser should contact a local Taco stocking distributor or the Company If the product or part in question contains no defect as covered in this warranty the purchaser will be billed for parts and labor charges in effect at time of factory examination and repair Motors provided on commercial pumps are not covered by this wa...

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