YATO YT-85421 Manual De Instrucciones página 18

Periodical revisions
It is required to carry out periodical revisions and maintenance of the subassemblies of the generator mentioned below.
NOTE! All maintenance actions must be realised when the device is turned off and not functioning. It is also required to disconnect
any electrical devices from the generator.
NOTE! If any service action is not described below, then the in order to have the action in question carried out, the device must
be sent to a specialist service shop.
NOTE! If the device is cleaned with a solvent, any contact of the solvent with the skin and the eyes must be avoided. Use personal
protection means.
Element Remarks
Check
Oil level in the
engine gear
Replace
Check
Air filter
Clean
Cleaning. If
Spark plug
necessary, replace it
Check. If necessary,
Fuel inlet filter
replace it.
Revision of tightness
and possible
Fuel system
damage.
Replace
Removal of carbon Check more often, if
residues necessary
Cleaning and
Engine adjustments of the
valves and cylinders
(*) In case the generator is operated in a dusty atmosphere, a higher frequency is recommended.
It is recommended to replace the fuel tank every three years. If any leakage of the fuel installation is detected then it is prohibited
to operate the generator.
Maintenance of the air filter
NOTE! It is prohibited to operate the generator if the air filter is not installed.
Maintenance actions of the air filter must be carried out in accordance with the procedure indicated in „PREPARATIONS FOR
OPERATION".
Maintenance of the spark plug
Open the access panel to the spark plug. (XI)
Disconnect the cable from the spark plug.
Remove the spark plug using the spark plug wrench. (XI)
Clean the electrodes with a wire brush.
Check the distance between the electrodes, which should amount to 0.7 mm to 0.8 mm. (XII)
In case the electrodes are burnt or the ceramic protection is broken, the spark plug must be replaced with a new one.
Install the spark plug.
Connect the cable to the spark plug. Close the access panel.
Maintenance of the fuel filter
Dismantle the fuel inlet cover.
Remove the fuel inlet filter. (XIII)
Clean the fuel inlet filter using compressed air.
Remove the fuel filter cover and clean it thoroughly of the residues of fuel and contamination.
If required replace the gasket.
Install the filter.
O R I G I N A L
18
GB
After the first month
of operation or after
Before each start-up
the first 10 hours of
operation
X
X
X
X
I N S T R U C T I O N S
Every 3 months or Every 6 months or
every 50 hours of every 100 hours of
operation operation
X
X(*)
X
X
Every two years
Every 12 months or
every 300 hours of
operation
X
X