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Maintenance - General
Filters
CAUTION: Read and heed the chemical label
warnings regarding PPE before cleaning any filter.
If in-line filters have been fitted to replace nozzle
filters, always unfold and lower the boom before
attempting to unscrew any filter.
It is essential to maintain all filters and filter screens
in good condition. Filter screens that are not
regularly cleaned can severely impede liquid flow
and delivery pressure. If the screens are in anyway
damaged, they can allow foreign material into the
pumping system which can result in damage to the
pump, solenoids, valves and cause blockages in nozzle
tips. Also, if the screens are not properly fitted, air
can enter the pumping lines which will reduce pump
performance.
Filter screens are best cleaned with a soft brush in
clean water or by compressed air after washing.
SUCTION FILTER CLEANING
CAUTION: Wear gloves and other recommended
protective clothing.
1. Ensure that the pump is turned OFF and the
pump three-way ball valve is turned OFF to
prevent flow to the filter.
2. Carefully unscrew filter nut and remove bowl.
3. Remove screen and clean.
4. Check for damage to screen, bowl, body and
O-ring.
5. Place screen back in position.
6. Make sure O-ring is in position for proper seal.
7. Replace bowl and screw nut on. Do not over-
tighten nut.
PRESSURE FILTER CLEANING
CAUTION: Wear gloves and other recommended
protective clothing.
1. Ensure that the pump suction is turned OFF
and the pump 3-way ball valve is turned OFF to
prevent flow to the filter and pump.
2. Ensure that the supermix agitator ball valve is
OPEN (will release any residual pressure. Also
remove small cap on bottom of pressure filter to
relieve pressure)
3. Carefully unscrew filter nut and remove.
Prairie Compact 2000L Operator's Manual MY19 - REV 1
4. Remove screen and clean.
5. Check for damage to screen, bowl, body and
O-ring.
6. Place screen back in position.
7. Make sure O-ring is in position for proper seal.
8. Replace bowl and screw nut on. Do not over-
tighten nut.
Chapter 10 - Lubrication & Maintenance - 45
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