Great Plains PFC2000 Operator Manual - Manual (Page 42)

40
407-158M 03/28/2007
Flow Too Low
(Pump Lines 1, 2 or 3)
Incorrect pump setting
Review desired application rate, and re-
run calculation with slide chart.
Tire under-inflated Check tire pressure.
Clogged strainer Close valves. Inspect and flush strainer.
Orifice size too small
Review recommended size in Seed Rate
manual.
Valve not fully open
Check same valves as for “No Flow”.
Open valve.
Ground drive wheel slipping
If tires are correctly inflated, wait for
improved field conditions. If that is not
an option, and slippage is constant,
adjust pump setting to compensate.
Bypass line #4 open when it should not
be (if hoses 1, 2 & 3 are in active use,
bypass #4 should be closed).
Repair or replace valve.
Tank contents have gelled, coagulated
or frozen If warming does not improve flow, drain
tank(s) and refill.
Pump wearing See pump manual.
System leaks result in insufficient flow to
row units Inspect tank and hose paths to row
units. Tighten or repair any leaks.
Flow Too High
(Pump Lines 1, 2 or 3)
Incorrect pump setting
Review desired application rate, and re-
run calculation with slide chart.
Orifice size too large
Review recommended size in Seed Rate
manual.
Flow Too Low
(400 gal Line 6)
Incorrect ground drive setting on planter
Review recommended sprockets in
Seed Rate manual.
Orifice size too small
Review recommended size in Seed Rate
manual.
Relief valve set too low. Material is flow-
ing, but out dump line. Re-adjust relief valve. See planter seed
rate manual.
Valve not fully open
Check same valves as for “No Flow”.
Open valve.
Tank contents have gelled, coagulated
or frozen If warming does not improve flow, drain
tank(s) and refill.
Flow Too High
(400 gal Line 6)
Incorrect ground drive setting on planter
Review recommended sprockets in
Seed Rate manual.
Orifice size too large
Review recommended size in Seed Rate
manual.
Problem Cause Solution