48
Waterblasting Operations
CAUTION
Do’s
• Stop blasting before stopping the tractor or
Hog Tool. Blasting with the unit stopped will
damage the pavement and Hog Head.
• Stop blasting before changing direction.
• When in doubt, choose a less aggressive spray
bar. It is always best to error on the side of
caution.
• Adjust the forward speed and head rotation
to remove 95% of the paint in a single pass
to eliminate a second pass and more potential
for damage.
• Adjust the pressure for the pavement. Typi
-
cally blast pressures between 32,000 and
38,000 PSI are used.
• Check and clean the vacuum filter frequently to
ensure strong vacuum pressure while blasting.
A dirty filter and low vacuum will leave exces
-
sive paint chips and debris on the pavement
slowing productivity.
• Check the pavement frequently and watch the
blasting area for damage. Continuously make
adjustments as required.
Dont’s
• Do not allow untrained personnel to operate
Stripe Hog equipment.
• Do not continue blasting with a damaged
nozzle. It can cause damage, waste water,
reduce the power of other nozzles and slow
production.
• Avoid running the Hog Head wheels on rumble
strips. Always adjust the Hog Arm to keep the
wheels off the rumble strips.
• Do not blast directly on sealed joints in the
pavement. Especially weather stripping on
bridges or airfields.
• Do not blast over pavement markers. Markers
can damage the blast head and spray bars and
should be removed prior to blasting.
• Do not blast over damaged or uneven pave
-
ment that can damage the blast head and
spray bars.
• Do not allow the waste tank to become over
-
filled. This can cause an unexpected shutdown
of the vacuum system and make it more dif-
ficult to empty the waste tank. Monitor the
tank and empty it before it is full.
• Do not allow the charge pump to run out of
water. Water is a lubricant and cools the
charge and high pressure pumps. They will
be damaged if they run dry. Always monitor
the water level in the clean water tank and
refill when it gets low.
5.4 Operating in Freezing Conditions
•
Allow the vacuum blower to operate for a
couple of minutes after shutting down the
high pressure water to clear waste water from
hoses and dry out blower system.
•
Make sure the clean water and recovery tanks
are drained immediately at the end of each
shift.
•
Skid system hoses and Hog Head assembly
should be drained of all water or filled with an
anti-freeze solution. (non alcohol)
•
For 40K waterblaster, refer to pump manufac-
turer’s procedures for maintaining equipment
in freezing climates.
• Remove the inlet and outlet hoses on the
charge water pump and allow the water to
drain from the pump and hoses. Then reinstall
the hoses on the pump and tighten the clamps.
•
Pour 2 gallons of anti-freeze into the high pres-
sure pump stuffing box sump so it will drain to
the bilge pump sump system. Allow the bilge
pump to run until anti-freeze is visible at the
bilge pump hose fitting in the waste tank.
•
Drain the vacuum canister immediately at the
end of each shift.
IF YOU OPERATE AT FREEZING TEMPERATURES OR EVEN
TEMPERATURES BELOw 60 DEGREES FAHRENHEIT (16
0
cELSIUS), IT wILL BE NEcESSARY TO OPERATE THE SYSTEM,
INcLUDING ENGAGING THE HIGH PRESSURE PUMP AND
VAcUUM BLOwER, AT IDLE SPEED ONLY UNDER LOAD,
UNTIL OIL HEATS UP ABOVE 60 DEGREES FAHRENHEIT (16
0
cELSIUS).
Summary of Contents for Stripe Hog SK3000
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Page 81: ...81 Component Repair HOG TECHNOLOGIES...
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Page 83: ...83 JETSTREAM UHP PUMP FLUID END Drawings and Schematics Appendix A HOG TECHNOLOGIES...
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