Trouble Shooting Guide - Swissmex SP Serie Manual De Operador

4. Unscrew the cylinder.
5. Replace the seals and gaskets and the ring and assembly back doing this steps backwards again.
1
Instructions for disassembling diaphragm module system models 543195 SP02 - 542195 SP03:
1. Take the pin out from the lower axis of the pump handle and take out the nuts and bolts that hold the rocker arm assy.
2. If you want to check or change the checks, disconnect the hose and unbolt the module, change the checks making sure that the outside
clamp is aligned with the chamber piece. This is the right position for the module windows to match the exit of the chamber.
3. Put the rocker arm assy. back on the module and the plastic protection.
1

TROUBLE SHOOTING GUIDE

6.
PROBLEM
The shut-off valve does not close after
releasing the trigger.
The shut-off valve does not function
when depressing the trigger.
Moving the pump handle becomes
very difficult.
The tank collapses "it shrinks".
While working there is leakage between
the cap and the tank .
While working there is some leakage
from the cylinder.
While working, the sprayer does not
generate pressure.
While pressuring the tank with the lever,
when you stop it goes up and stays there.
While working, the pressure lasts very
little time.
The sprayer builds low or no pressure.
The sprayer does not hold pressure or tank
leaks at pump connection.
Tank leaks at pump and pressure chamber
connection.
Module is leaking.
Tank leaks at hose connection.
2
The plunger O-rings are worn out or swollen.
The filter or nozzle are blocked.
The internal part of the cylinder are dirty,so the
piston ring can not run smoothly, or the piston
ring grew because the material used to apply
is very aggressive.
The cap gasket is not letting air through.
The cap gasket is not lubricated.
The cylinder can be worn out from the insider
or the piston rings damaged
The gaskets are dirty, dry or blocked.
The gasket that is inside the cylinder is
blocked or stayed open.
The pressure chamber is filled with water
because the gaskets are not working.
Check valve in the pump have become stuck
and/or there is an air lock in the unit.
The O-rings and check valve need replacing,
the pressure chamber has expanded or the
check valves are clogged with debris.
The hose clamp is loose or the O-ring
is damaged.
The Sealed module piston-diaphragm pump is
damaged.
Clamp is loose or damaged.
3
NOTE:
We recommend to change the module when you have a problem.
2
CAUSE
4
4
SOLUTION
Replace them and lubricate the plunger with the new
O-rings.
Take the filter out of the shut-off valve, clean or replace
it and clean the nozzle.
Open the cylinder according to the method mentioned
in point 5.1 to check if its dirty and clean, compare the
piston ring to a new one to see if it grew, if it did
change immediately.
Clean the gasket and lubricate, also clean the cap and
assembly again.
Lubricate or replace according to the diagnosis.
Replace.
Replace.
Inspect the cylinder, clean, adjust and put back in
place.
Take the water out of the sprayer and replace the
gaskets.
Release pressure by keeping flow control open and
pumping several times. Disassemble and force
seals open by hand if step one does not work.
Replace O-rings and seals, replace pressure
chamber if there is no improvement, lubricate
and reassemble.
Tighten the hose clamp, use part No. E501-021 to
replace the O-ring.
Replace module with part No. E505-155-C.
Replace clamp.
5
3