Finn HydroSeeder T170, Parts And Operator'S Manual

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TROUBLESHOOTING YOUR HYDROSEEDER ® :
Because of the tremendous work load usually placed upon the HydroSeeder
®
, minor malfunctions will
occur from time to time. If these are not remedied immediately, they could lead to poor performance
and damage to the equipment. This section describes symptoms, possible causes, and the corrective
action(s) to take.
1. Foam in the tank and air entrainment.
The mixture of dry materials with water will sometimes cause excessive foaming while other dry
materials-with-water mixes will cause air entrainment. These situations will reveal themselves
with the occurences of an erratic slurry discharge, a drop in the pressure of the discharge, and
a drop off in distance of slurry discharge.
Some solutions are:
A. As slurry level drops in the tank, slow the agitator.
B. Add 2 to 3 oz (6 to 9 cl) of an antifoaming agent to tank.
C. If you can determine which additive is causing the air problem, either add it last or not at
all – unless it’s the water.
D. Limit recirculation time as much as possible.
E. Open pump suction bleed valve to exhaust air trapped in the pump or suction line. Close
valve as soon as the air stops.
2. Plugging or clogging:
DANGER
Turn off engine and disconnect battery cables before working on equipment. Failure to comply
WILL result in severe personal i njury or death.
Sometimes, when a stoppage occurs, you will not be able to find anything in the line. When this
happens, it means that the system became airbound instead of plugged. To remedy this, see
FOAMING OF SOLUTION AND LACK OF DISTANCE on page 22. Plugging can occur in any
one of four places the valve and recirculation nozzle, the discharge nozzle, the pump area, and
the sump area. The plugging is caused by either foreign objects or dewatered mulch.
A. Obstruction in the discharge nozzle is determined by a change in or stoppage of the spray
pattern.
A) Disengage (turn off) clutch.
B) Make certain that pump has stopped rotating.
C) Slowly and carefully remove nozzle.
D) Using the nozzle cleaning rod attached to the underside of the guard rail, clear the nozzle.
DANGER
Before loosening any clamps, determine if the pipe is hot. If so, let it cool before attempting to
perform repair. Failure to comply WILL result in severe personal injury or death.
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