Yamabiko Shindaiwa DH221 Manuel D'utilisation page 22

Maintenance and care
Check fuel system
1. Fuel tank cap
Check spark plug
a: 0.6 - 0.7 mm
Care for cutting blades
 Wear gloves to protect hands from sharp blades.
 Failure to observe these precautions could lead to injury.
1. Bolt slots
 Check before every use.
 After refuelling, make sure fuel does not leak or exude from
around fuel pipe, fuel grommet or fuel tank cap.
 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.
 Replace plug if needed and tighten to 15 N•m - 17 N•m (150
kgf•cm to 170 kgf•cm).
CAUTION
Lubricating blades (Every 4 hours of operation)
Apply a few drops of oil the each bolt slots at the bottom of
blades.
Cleaning blades (After each use)
Remove gummy residue from blades with a 50 : 50 mixture of
kerosene (paraffin) and machine oil.
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