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Operating Instructions & Parts Manual
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 result in personal injury and/or proper-
ty damage! Retain instructions for future reference.
Self-Priming Engine-Driven
Centrifugal Pumps
Description
These centrifugal pumps include a precision mechanical seal with stainless steel
spring, EPDM seals, carbon face and ceramic seat, and a built-in check valve for
better self-priming capabilities (up to 20 ft. suction lift). Clog resistant impeller is
capable of handling solids up to 7/16" diameter. Pumps include molded carrying
handle, rubber foot pads, and two 2" NPT pipe nipples. Handle liquids from 40º to
130º F (4º to 54º C). For use with nonflammable, non-abrasive liquids compatible
with pump component materials.
Applications include pumping clear, clean water, salt water, and some liquid fertil-
izers and herbicides. An optional Buna N Seal/O-ring/Flapper Kit (see Repair Parts
List) is available for pumping additional liquids. If the liquid is not compatible with
Buna-N (optional) or EPDM (standard) rubber materials, do not use these pumps.
Specifications
Suction inlet . . . . . . . . . . . . . . . . . . 2" †
Discharge outlet . . . . . . . . . . . . . . . 2" †
(†) Standard NPT (female) pipe thread.
Dimensions (overall)
020598 . . . . . . . . 13" H x 15" W x 18" L
020599 . . . . . . . . . 18
Engine
020598 . . . . . . . . . . . . . . . . . 3.5 HP B&S
020599 . . . . . . . . 5.5 HP B&S OHV Intek
Oil type . . . . . . . . . SAE 30W Detergent
Weight
020598 . . . . . . . . . . . . . . . . . . . . 38 lbs.
020599 . . . . . . . . . . . . . . . . . . . . 43 lbs.
Material . . . . Glass-filled polypropylene
Safety Guidelines
can result in personal injury, pump dam-
age, and/or property damage.
This manual contains information that
is very important to know and under-
3824-254-00 FW0520 0703 Supercedes NEW
3
⁄
L x 17
3
⁄
W x 15
8
8
Failure to follow any
warnings/ cautions
stand. This information is provided for
SAFETY and to PREVENT EQUIPMENT
PROBLEMS. To help recognize this
information, observe the following
symbols:
1
⁄
H
4
ardous situation which, if not avoided,
WILL result in death or serious injury.
ardous situation which, if not avoided,
COULD result in death or serious injury.
ardous situation which, if not avoided,
MAY result in minor or moderate injury.
NOTE: Indicates important information
that, if not followed, may cause dam-
age to equipment.
Unpacking
After unpacking the unit, inspect care-
fully for any damage that may have
occurred during transit. Make sure to
tighten fittings, bolts, etc., before put-
ting unit into service.
020598 and 020599
Danger indicates an
imminently haz-
Warning indicates a
potentially haz-
Caution indicates a
potentially haz-
7/2003
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Table of Contents
Related Manuals for HP 20598
Summary of Contents for HP 20598
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Page 1: Specifications
Weight 020598 ....38 lbs. 020599 ....43 lbs. - Page 2 8. Periodically inspect pump and system components. Perform routine main- tenance as required (See Maintenance section). 020598 and 020599 9. Provide a means of pressure relief for pumps whose discharge line can be shut-off or obstructed. 10. Personal Safety: a.
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Page 3: Installation
Operating Instructions and Parts Manual Models 020598 and 020599 General Safety (continued) Spilled gasoline on a hot engine may cause fire or an explosion. Fill gasoline tank out-of-doors and wipe up any spills. e. Provide a fire extinguisher nearby when working with gasoline. Be sure extinguisher is in operating condition –... -
Page 4: Operation
The maxi- mum opening in the suction strainer 020598 and 020599 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. -
Page 5: Maintenance
Operating Instructions and Parts Manual Models 020598 and 020599 Operation (continued) one or two minutes. A suction lift of 20 feet can take 5 minutes running time to pick up a prime. If pumping does not start within this time, shut... - Page 6 (handle it carefully). 020598 and 020599 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.
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Page 7: Shim Adjustment
Operating Instructions and Parts Manual Models 020598 and 020599 Maintenance (continued) IMPORTANT: Always inspect all seals when unit is disassembled. Replace when rubber is hard, cracked, or worn. When reassembling parts with o-ring seals or gaskets, it is sometimes helpful... -
Page 8: Troubleshooting Chart
020598 and 020599 Corrective Action 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. - Page 9 020598 and 020599 Corrective Action 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.
- Page 10 1. Stone or foreign object lodged in impeller 2. No oil in crank case 020598 and 020599 Corrective Action Replace 1. Disassemble pump and remove stone or foreign object 2. Fill oil to overflowing, or check...
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Page 11: Repair Parts List
⁄ HP B&S 020598 020631 020632 020633 020634 020635 020637 020638 020639 020640 020641 020642 020643 020644 020645 020646 020598 and 020599 ⁄ HP B&S 020599 Qty. 020631 020632 020633 020634 020636 020637 020638 020639 020640 020641 020642 020643 020644... - Page 12 020598 and 020599 Operating Instructions and Parts Manual Notes...