Finn HydroSeeder T60 II, Руководство по эксплуатации и каталог запасных частей, Страница: 29 / 60

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Plugging can occur in any of four places; the valve and recirculation nozzle, the discharge nozzle,
the pump area and the sump area. Plugging is caused by either foreign objects or dewatered fiber.
A. Obstruction in discharge nozzle is determined by a change or stoppage of the spray pattern.
a) Disengage (turn off) the clutch.
b) Remove the nozzle.
c) Clear the nozzle with the nozzle cleaning rod attached to the underside of the
guard rail (platform option only).
DANGER: Severe injury can result from opening clamps when piping is
hot. Before loosening any clamps, determine if the pipe is hot.
If so, let it cool before attempting repair.
B. If the recirculation system is not working:
a) Disengage (turn off) the clutch and shut down the engine.
b) Remove the clamp attaching the recirculation valve.
c) Slide the rubber seal back and remove the valve assembly.
d) Check the valve assembly, the recirculation nozzle in the discharge pipe, and the
recirculation pipe going into the tank. Clear any obstructions.
e) Replace the valve assembly and slide the seal back into place. Lubricate the
outside of the seal.
f) Replace the clamp.
3. Obstruction in the pump, which can be determined by a drop in pressure. If the drop in pressure
is accompanied by a frothy or whitish discharge stream, the blockage is in the suction line or sump
area. To clear the pump:
A Disengage (turn off) the clutch and stop the engine. Close the suction shut-off valve if
applicable.
B. Loosen suction pipe clamps. If there is material in tank, stuff a rag into the suction piping.
C. Remove the clamp closest to the pump.
D. Remove the elbow and slowly open the suction shut off valve.
NOTE: If no water comes out, it means that the obstruction is in the
sump area.
E. Reach into the pump and remove the obstruction. If it is jammed, the pump suction cover
may have to be removed.
F. Reassemble removing pipe “plug” in process.
G. Remove the rag plugging the suction piping.
4. Obstruction in the sump area, which is located at the bottom of the tank on the inside where the suc-
tion pipe is attached:
A. The easiest way to clear the sump is to back flush through the discharge plumbing with the
water supply hose.
B. Another method is to remove the drain plug and run a long pole through the opening and
into the sump area. Remove the obstruction and replace the drain cap.
C. Use a pipe or pole through the loading hatch opening to dislodge the obstruction.