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Operating Instructions and Parts Manual

11

For Repair Parts, contact dealer where pump was purchased.

Please provide following information:

-Model number
-Serial number (if any)
-Part description and number as shown in parts list

Repair Parts List

Ref.

3

1

2

HP B&S

5

1

2

HP B&S

No.

Description

020598

020599

Qty.

2

Slinger washer -EPDM

020631

020631

1

3

Adapter

020632

020632

1

5

Adapter fastener

020633

020633

4

8

Key

020634

020634

1

9

Impeller

020635

020636

1

10

Impeller fastener

020637

020637

1

11

Volute fastener

020638

020638

1

13

Fill plug

020639

020639

1

15

Casing

020640

020640

1

17

Drain plug

020641

020641

1

19

Volute fastener

020642

020642

2

20

Volute

020643

020643

1

21

Impeller shim set 

020644

020644

1

(.005", .015", .030"; one each)

31

Gasket

020645

020645

1

33 † Seal kit -EPDM (standard)

020646

020646

(*) Standard hardware item, available locally.
(†) Includes all required seals, Ref. Nos. 2, 4, 6, 7, 12, 14, 18, 22, 23, 24, 31.

1

2

3

4 5 6

7

8

9

4

29

27

25

31

24 232221

10

20

19

26

27

28

11

13

18

17

14

15

32

16

33

12

30

Figure 3 — Repair Parts Illustration

020598 and 020599

Document2  9/3/03  5:48 PM  Page 11

Summary of Contents for 20598

Page 1: ...hten fittings bolts etc before put ting unit into service Operating Instructions Parts Manual 020598 and 020599 Self Priming Engine Driven Centrifugal Pumps Please read and save these instructions Read carefully before attempting to assemble install operate or maintain the product described Protect yourself and others by observing all safety information Failure to comply with instructions could re...

Page 2: ... connections are secure 8 Periodically inspect pump and system components Perform routine main tenance as required See Maintenance section 9 Provide a means of pressure relief for pumps whose discharge line can be shut off or obstructed 10 Personal Safety a Wear safety glasses at all times when working with pumps b Wear a face shield and proper apparel when pumping hazardous chemicals c Keep work ...

Page 3: ...sically fatigued Be careful not to touch the exterior of the engine especially the muffler and the surrounding area The engine is hot enough to be painful or cause injury 15 Prevent accidental starting by always removing spark plug or by disconnecting and grounding spark plug wire before working on engine or the equipment driven by engine 16 Familiarize yourself with all con trols Learn how to sto...

Page 4: ...eet long 5 A suitable suction strainer should be attached to the suction line so that large pieces of foreign material are not drawn into the pump The maxi mum opening in the suction strainer should not be greater than 25 of the suction inlet size for solid han dling pumps and 50 of the suction inlet size for trash pumps Operation 1 Fill the engine crankcase with oil as specified in the engine man...

Page 5: ...he pump should be flushed after each use 2 Clean the suction line strainer at reg ular intervals 3 If the gas engine is equipped with a spark arrestor screen in the muffler it should be inspected for wear peri odically and replaced when neces sary NOTE For information pertaining to the engine and engine parts consult the Engine Manual or contact the near est authorized service representative or th...

Page 6: ...o avoid scratching lapped highly polished surface of seal seat handle it carefully 9 After seal seat is in place ensure that it is clean and has not been marred 10 Using a clean cloth wipe shaft and make certain that it is completely clean 11 Place adapter seal o ring onto seal head behind flange and press assembly into adapter as shown in Figure 2 Do not touch or wipe polished face of seal head 1...

Page 7: ...ved and reassembling pump as described Ensure that casing is snugly in place and check shaft to make sure it is turn ing freely If it turns freely check to ensure that adapter Ref No 3 and casing Ref No 15 are fitted tight together If they are not tighten fas teners Ref No 16 and recheck shaft for free turning Tighten carefully turn ing shaft while tightening If shaft seizes before fasteners Ref N...

Page 8: ...ion head exceeds that for which pump was designed 1 Fill pump casing Using a foot valve will extend pump life and facilitate immediate priming 2 Shorten suction lift and or dis charge head 3 Shorten suction line and or ver tical distance from liquid to pump install foot valve and prime 4 Disassemble pump and clean out impeller 5 Repair or replace suction line 6 Match foot valve to piping or instal...

Page 9: ... leak 2 Pump located too far from fluid source 3 Gate valve closed 4 Clogged strainer 5 Fouled foot valve 6 Discharge height too great 4 Increase inlet pressure by adding more water to tank or increasing back pressure by turning gate valve on discharge line to partial ly closed position 5 Unclog clean or replace as neces sary 1 Increase back pressure on pump by turning gate valve on dis charge lin...

Page 10: ...Engine will not start or run or when you pull rope to start it will not move Worn mechanical seal 1 Stone or foreign object lodged in impeller 2 No oil in crank case Replace 1 Disassemble pump and remove stone or foreign object 2 Fill oil to overflowing or check dipstick See engine manual 020598 and 020599 Document2 9 3 03 5 48 PM Page 10 ...

Page 11: ...5 020636 1 10 Impeller fastener 020637 020637 1 11 Volute fastener 020638 020638 1 13 Fill plug 020639 020639 1 15 Casing 020640 020640 1 17 Drain plug 020641 020641 1 19 Volute fastener 020642 020642 2 20 Volute 020643 020643 1 21 Impeller shim set 020644 020644 1 005 015 030 one each 31 Gasket 020645 020645 1 33 Seal kit EPDM standard 020646 020646 Standard hardware item available locally Includ...

Page 12: ...12 Operating Instructions and Parts Manual 020598 and 020599 Notes Document2 9 3 03 5 48 PM Page 12 ...

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