6.4
Pinto BT-POM 1212 - Revision 5
Trouble Shooting
General Sprayer Problems
PROBLEM
1 No spray when turned on.
2 Sprays for short time only.
3 Spray is uneven around the boom.
4 Pressure going up - output going down.
5 Pressure falling.
6 Spray pattern narrow.
7 Foam in the tank.
8 Spray pattern streaky.
REMEDY
1 Dismantle, clean & re-assemble.
2 Change pump.
1 Clean air vent.
2 Dismantle, clean & re-assemble the fi lter. If fi l ter
problem per sists, clean out the tank & start again.
1 Remove, clean & check. Check output & for streaks.
2 Check nozzle output, replace worn noz zles.
3 Remove a noz zle in each boom section & check
that fl ow rate is the same. If dif fer ent, check for
blockages.
1 Dismantle, clean & refi t. Check pressure re turns
to normal. Check all fi lters and spray mix ture.
1 Dismantle & clean the fi lter.
2 Check nozzle output, replace worn nozzles.
3 Check with new pressure gauge.
4 Repair or replace the pump.
1 Check that the correct nozzles are being used.
2 Check that the tank is not empty. If not, there is
an air leak between the pump & tank or in the
pump. Check plumbing & repair.
1 Check that the return line is at the bottom of the
tank. Partly close agitation and valve
1 Remove & clean. If it continues, the nozzle is
damaged. Replace with same size tip, check fl ow
rate of replacement nozzle.
PROBABLE CAUSE
1 Filter on the inlet side of the pump blocked.
2 Faulty pump.
1 Air inlet to tank blocked.
2 Filter on suc tion side of pump block ing or
blocked.
1 Some nozzle fi lters or tips are blocked.
2 Nozzle tips worn.
3 Different pressure along the boom.
1 Nozzle fi lters blocking.
1 Filter on suction side blocked.
2 Nozzle tips worn.
3 Pressure gauge faulty.
4 Pump worn.
1 Pressure too low.
2 Pressure too low & spluttering.
1 Too much agitation.
1 Nozzle partly blocked.
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