Troubleshooting - SANLI LSP 510 S9A Operator's Manual

5. Troubleshooting
Problem
The engine does not
start
The engine engages,
but starting is difficult
The transmission drive
operates but loses
efficiency
The engine becomes
excessively hot
Heavy vibrations from
the machine
The engine runs
irregularly
Fall in engine power
Uneven or poor finish
with yellowing of the
longer/lower grasses
Inadequate ejection of
cut grass into collector
bag and/or excess
grass clippings left on
the surface
Probable causes Solution
Incorrect throttle position
Spark plug cap defective
Fuel tank empty
Fuel flow valve closed
Ignition malfunction
Operator presence control
lever not properly engaged
Engine oil too viscous for
operating conditions
The transmission
engagement cable is loose
The drive V‐belt is loose
Engine cooling fins blocked
Low oil level
Screws or bolts loose
Blade attachment bolt loose
Unbalanced or damaged
blade
Air filter dirty
Spark plug dirty
Poor quality or contaminated
petrol
Air filter dirty
Seized or blocked throttle
control
Lack of engine compression
Blunt blade
Cutting height set too low
Engine speed is too low
Engine speed is too low
Cutting height is too low
Worn or bent blade
Blockage between deck and
collector bag or bag blocked
Select the correct setting
Replace the spark plug cap
Fill fuel tank
Open the fuel valve
Contact a SANLI approved
dealer
Press fully the operator
presence control lever
Change the oil
Adjust the cable using the
tensioning device
Contact a SANLI approved
dealer
Clean engine exterior carefully
Check the oil level
Tighten the screws/bolts
Check blade attachment bolt
Replace blade
Clean or replace the air filter
Clean spark plug
Drain fuel tank and refill with
unleaded 95 RON minimum
Clean or replace the air filter
Clean the throttle assembly
Contact a SANLI approved
dealer
Sharpen or renew the blade
Raise the cutting height
Advance throttle to maximum
Advance throttle to maximum
Raise the cutting height
Replace the blade
Clear blockage/clean bag
User's Manual /21