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TROUBLESHOOTING
5.1 MAINTENANCE GUIDE
Below are instructions for maintaining your sprayer:
Rinse with clean water externally and internally, to avoid risk of contamination. To keep your sprayer in good condition it is recommended to change the
following parts when servicing your sprayer:
- O-rings,
- Piston Ring,
Disassembly instructions:
1. Place the sprayer on a flat surface. Pull the pin from the upper end out of the pump lever.
2. Loosen the pump holder nut and take the lever out.
3. Pull out pump tube and check the plastic ball and the piston inside the tube, remove piston and make sure the ball and piston is clean and in good
shape, if not replace it.
4. Once you replace it, repeat this steps backwards. Do not forget to lubricate it.
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TROUBLESHOOTING GUIDE
6.
PROBLEM
The tank collapses when pressurizing it.
The piston sleeve does not run smoothly
and it is hard to pump.
The piston sleeve runs too smoothly and
it does not keep pressure.
Although the sprayer is being pumped
vigorously it does not build pressure.
When pumping a creak is produced
between the pump tube and pump
holder nut.
The shut-off valve does not close after
releasing the trigger.
The shut-off valve does not function
when depressing the trigger.
99922205754
© 09/2022 ECHO Incorporated
- Gun o-rings,
- O-rings for nozzle,
3
The breather check valve needs lubrication.
The chemical used has made the
piston sleeve swell up.
The piston sleeve is worn out or shrunk.
The plastic ball is stuck or dirt is preventing
the ball from sitting properly on the
ball-holder nut.
The pump tube and pump holder nut
need lubrication.
The plunger O-rings are worn out or
swollen.
The filter or nozzle are blocked.
- Gasket,
CAUSE
Lubricate the breather check valve or replace
the complete lid.
Lubricate the piston sleeve or replace it.
Lubricate the piston sleeve or replace it.
Clean the ball holder nut and the ball.
Lubricate both of them.
Replace them and lubricate the plunger.
Take the filter out of the shut-off valve and
clean or replace it. Clean the nozzle.
- Breather valve,
NOTE:
To lubricate all parts, use
multipurpose grease.
OIL PUMP TUBE AND PISTON SLEEVE BEFORE
ATENTTION
ASSEMBLING IN THE SPRAYER.
SOLUTION
SP401BP
10
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