Troubleshooting – Great Plains TS1000 Trailer Sprayer Operator Manual User Manual
Page 27
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Great Plains Mfg., Inc.
Troubleshooting
7/6/09
25
TS1000 Trailer Sprayer 500-111M
Troubleshooting
Problem
Problem Area
Specific Checks
Solutions
Pressure decreasing
Between gauge
and liquid sup-
ply
Pump wearing
Rebuild or replace pump
Plugged suction or pump to pressure
head hose
Clean hose and reduce cause of
clogging
Plugged Whirlfilter
Clean out Whirlfilter
Plugged gauge
Remove quick disconnect fitting
and flush gauge protector
Pressure fluctuating
Between pump
outlet and liquid
Check suction hose & fittings for air
leaks. Air in system is indicated by
buffs of air at nozzles
Remove obstruction from clogged
area
Vortex in tank suction
Align agitators properly
Cracked pump housing
Replace pump housing
Pressure increasing
Between gauge
and nozzle
Nozzle screens clogged
Clean screens
Nozzle orifices plugged
Remove material with soft brush or
air
Boom hoses becoming clogged
Remove obstruction from clogged
area
Boom hoses pinched
Use cable ties to position hose so
it will not kink
Pressure cannot
increase
Pump or elec-
tric ball valve
From nozzle charts check liquid
demand against pump capacity (noz-
zle requirement + agitation require-
ment)
Reduce swath width by nozzle
reduction; install smaller nozzles
and drive at a lower rate of speed
Electric ball valve or gauge not func-
tional
Replace or repair
Pressure adjust switch faulty
Test switch & replace if faulty
Fuse is out in control box
Replace fuse
Manual pressure adjustment valve not
all the way open
Open the manual pressure valve all
the way and allow the electric ball
valve to govern the pressure
No pressure
Plumbing
Tank shut-off valves off
Make sure all tank shut-off valves
are open
Loose fittings
Tighten fittings so pump can prime
Collapsed suction hose to pump
Replace hose
Obstruction in suction hose or tank
Remove obstruction
No pressure
Pump
Hydraulic pump running in the wrong
direction
Switch hydraulic hoses in tractor
outlet
PTO pump coupler loose
Tighten PTO coupler
Pressure cannot
decrease
Pump or elec-
tric ball valve
Tank agitation restricted
Check that agitator valve is open
and that liquid is being agitated
Liquid will not induct
Chemical Induc-
tor
Make sure the valve below the inductor tank is open
Make sure the pump is in operation and has prime
Make sure the venturi bypass valve is open
Inductor overflow
Chemical Induc-
tor
Close valve below inductor tank until pump is running, has pressure and venturi
valve is open