Echo SRM-335TES Operator's Manual page 24

Maintenance and care
Cleaning silencer
Check fuel system
Check spark plug
a: 0.6 ‑ 0.7 mm
Lubricating drive shaft
Air intake
IMPORTANT
Do not remove the silencer cover. If necessary, Please consult
your dealer.
1.
2.
3.
4.
5.
∗ The spark test (for checking whether the spark plug is spark-
Inspect the drive shaft (A) every 100 hours of use and replenish
grease if it is insufficient.
NOTE
Use good quality lithium multi grease.
22
Remove dust and dirt from between fins (A).
Before each use, remove accumulated debris from bottom en-
gine intake grille located between the fuel tank and starter.
Carbon deposits in silencer (A) will cause a drop in engine out-
put and overheating. Spark arrestor screen must be checked
periodically. Clean deposits from silencer.
Check before every use.
After refuelling, make sure fuel does not leak or exude from
around fuel pipe (A), fuel grommet (B) or fuel tank cap (C).
In case of fuel leakage or exudation, there is a danger of fire.
Stop using the machine immediately and request your dealer
to inspect or replace.
Check plug gap. Correct gap is 0.6 mm to 0.7 mm.
Inspect electrode for wear.
Inspect insulator for oil or other deposits.
If the electrodesor terminals are worn, or if there are cracks
in the ceramics, replace them with new parts.
Tighten to 15 N·m - 17 N·m (150 kgf·cm to 170 kgf·cm).
ing) must be carried out by your dealer.