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Stripe Hog Systems
to turn freely. The hose is secured to the rotat-
ing shaft housing by the swivel nut. The swivel
nut is hand tightened. If the nut becomes loose,
the hose will wobble and damage the swivel seal.
Additionally, if the swivel nut is overtightened by
using a pipe wrench or pliers, the swivel seal will
be damaged. The swivel nut must be checked
daily to ensure it is tight and that the swivel seal
is not leaking. Any water dripping from the weep
holes just below the swivel nut while the system
is pressurized indicates the seal is leaking and
must be replaced. Operating the Hog Head with
a leaking swivel seal will cause complete failure of
the seal, stopping blasting operations and could
cause severe damage to the thru-shaft motor.
The spray bar is a quick change design. Spray
bars are available in 6”, 8”, 10”, 14”, widths. Ag-
gressive and non-aggressive patterns are available
for all heads.
If you are new to waterblasting equipment, Hog
Technologies offers a variety of spray bar and
nozzle configurations to meet the requirements
of most paint and rubber removal projects. Ex-
amples of available spray bar configurations
are included in the Appendix section of the this
manual. You can also contact Hog Technologies
Customer Service for assistance in selecting the
right spray bars for your project.
To change a spray bar, hold the shaft by inserting
a 3/4” wrench into the slot at the bottom of the
thru-shaft housing, located just above the blast
head shroud. Twist the spray bar counterclockwise
by hand until it is free of the shaft. Purge the
blast head at low pressure, then apply anti-seize
to the threads, insert a new brass button seal and
install the new spray bar by turning it clockwise
slowly until it seats. Then tighten it by turning the
spray bar another 15%. Make sure you remove
the wrench when the installation is complete.
Note:
Before attaching the new spray bar to the
Hog Head Assembly, engage pump at low
pressure to purge the system. Any dirt or
debris in the system can clog nozzle orifice’s
and cause system pressure to spike exces-
sively causing damage to components or the
rupture discs on the UHP pump to burst. Re-
fer to the Stripe Hog Training DVD or online
at www.stripehogsupport.com for detailed
information on changing the spray bar.
Swivel Seal on Thru-Shaft Motor
Typical Thru-Shaft Motor and Swivel Nut
Thru Shaft
Motor
Weep Holes
Swivel Nut
Summary of Contents for Stripe Hog SH5000
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