SANLI LS 40 - Troubleshooting

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User’sManualSanliLS40/20
5.Troubleshooting
Problem Probable causes Solution
The engine does not start
Incorrect throttle position
Spark plug cap defective
Fuel tank empty
Fuel flow valve closed
Ignition malfunction
Select the correct setting
Replace the spark plug cap
Fill fuel tank
Open the fuel valve
Contact a SANLI approved
dealer
The engine fires, but starting
is difficult
Operator control lever not
properly engaged
Engine oil too viscous for
operating conditions
Press fully the operator lever
Change the oil
The engine becomes
excessively hot
Engine cooling fins blocked
Low oil level
Clean engine exterior
carefully
Check the oil level
Heavy vibrations from the
machine
Screws or bolts loose
Blade attachment bolt loose
Unbalanced or damaged
blade
Tighten the screws/bolts
Check blade attachment bolt
Replace blade
The engine runs irregularly
Air filter dirty
Spark plug dirty
Poor quality or contaminated
petrol
Clean or replace the air filter
Clean spark plug
Drain fuel tank and refill with
unleaded 95 RON minimum
Fall in engine power
Air filter dirty
Seized or blocked throttle
control
Lack of engine compression
Clean or replace the air filter
Clean the throttle assembly
Contact a SANLI approved
dealer
Uneven or poor finish with
yellowing of the longer/lower
grasses
Blunt blade
Cutting height set too low
Engine speed is too low
Sharpen or renew the blade
Raise the cutting height
Advance throttle to
maximum
Inadequate ejection of grass
into collector bag and/or
excess grass clipping left on
surface
Engine speed is too low
Cutting height is too low
Worn or bent blade
Blockage between deck and
collector bag or bag blocked
Increase throttle to max
Raise the cutting height
Replace the blade
Clear blockage/clean bag