Please read and save this Repair Parts Manual. Read this manual and the General Operating Instructions carefully before attempting to assemble, install, operate or
maintain the product described. Protect yourself and others by observing all safety information. The Safety Instructions are contained in the General Operating
Instructions. Failure to comply with the safety instructions accompanying this product could result in personal injury and/or property damage! Retain instructions for
future reference.
2 Inch High Pressure Pumps
Refer to form 1808-633-00 for General Operating and Safety Instructions.
Description
These self-priming high pressure engine driven pumps
are equipped with two high performance impellers and a
Buna N mechanical seal to prevent leakage, coupled to a
4-cycle gasoline engine. (Priming above 10 ft. lift requires
a foot valve.)
The pump is designed for higher pressure applications
such as lawn sprinkling, spraying irrigation, also draining
and general dewatering applications. Handles liquids from
40° to 180° F (4° to 82° C).
Specifications
Suction inlet . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2" NPT
Discharge outlet . . . . . . . . . . . . . . . . . . . . . . . . . 2" NPT
Driver
5830-96 . . . . . . . . . . . . . . . . . B&S Intek OHV 6.5 HP
5831-96 . . . . . . . . . . . . . . Honda GX160 OHV 5.5 HP
5830-D6 . . . . . . . . . . . . . . . . . . Yanmar 4.7 HP Diesel
Basic Pump Construction . . . . . . . . . . . . . . . Aluminum
Shaft Seal . Buna N & Stl Stl w/carbon & ceramic faces
Maintenance
WARNING To prevent accidental starting always
remove spark plug, or disconnect and ground spark
plug wire before attempting to service or remove any
component.
MECHANICAL SEAL REPLACEMENT
Refer to Figure 1.
IMPORTANT:
Always replace both seal seat and seal
head to ensure proper mating of components!
1.
Unthread fasteners and remove pump casing from
adapter
2.
Remove diffuser cover plate and neck ring insert.
3.
Unthread fastener from stub shaft
4.
Unscrew first stage impeller from stub shaft (impeller
unscrews CCW looking at stub shaft).
NOTE:
A strap wrench is recommended to loosen both
impellers. Attempts to loosen impellers with other tools
may cause permanent damage to impellers. Due to close
running fits between parts, damaged impellers should be
replaced before reassembly of pump.
5.
Remove diffuser.
6.
Remove shaft sleeve from stub shaft and unscrew
second stage impeller (Ref. No. 1).
7.
Remove seal head (Ref. No. 12) from engine shaft
8.
Unscrew fasteners and remove adapter from motor
mounting face.
9.
Push seal seat from adapter recess with
screwdriver.
10. Clean adapter recess before inserting new seal
seat.
11. Carefully wipe seal face surface of new seal seat
with clean cloth.
12. Wet rubber portion of new seal seat with a light
coating of soapy water.
13. Press new seal seat squarely into adapter recess. If
seal seat does not press squarely into recess, it can
be adjusted in place by pushing on it with a piece of
pipe. Always use a piece of cardboard between
pipe and seal seat to avoid scratching sal seat.
(This is a lapped surface and must be handled very
carefully.)
14. After seal seat is in place, ensure that it is clean and
has not been marred.
15. Using a clean coth, wipe stub shaft and make
certain that it is perfectly clean.
16. Carefully guide new seal seat over engine shaft and
secure adapter.
17. Apply a light coating of soapy water to inside rubber
portion of seal head and slide onto engine shaft
(with polished sealing face first) facing white face of
seal seat.
18. Reverse steps 5 to 1 to reassemble pump.
Specifications Information and Repair Parts Manual
5830 and 5831
5830-250-00
03/2010