ISSUE Flow divider will not allow flow through
PROBABLE CAUSE Vent hole in cap plug is clogged Needle stuck in down position due to dried or crystallized fertilizer/fluid (soak unit in hot water to free needle – then clean unit)
Flow out of tubes does not appear to be equal
End of line check valves or lines are plugged with debris Worn needle seal and/or needle Needle stuck in open position due to dried or crystallized fertilizer Distribution lines do not have approximately equal lengths, do not have equal drop heights, or do not have equal restrictions in each line End of line check valve spring pressure is too high (1.0 psi max. allowed) Ensure that plugged outlet ports are separated evenly from each other around the flow divider Sleeve seal is missing or damaged
Fluid leaking out of hole in vented plug
Worn needle seal (note that a small amount of seepage is normal – you may install a barb fitting in place of the plug if desired)
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