1
9
MAINTENANCE
NOTE
Do not mix fuel in engine fuel tank.
NOTE
Use of non-recommended oils or failure to
follow mixing instructions voids the warranty.
CHECK SPARK PLUG
(As Needed)
1. Check plug gap.
NOTE
Proper gap is 0.6 to 0.7 mm (0.024 to 0.028 in)
2. Inspect electrode for wear.
3. Inspect insulator for oil or other deposits.
4. Replace plug if needed and torque to 15 - 17
N
•
m (130 to 145 in lb).
0.6 to 0.7 mm
(0.024 to 0.028 in)
MIX FUEL
(As Needed)
•
50 : 1 Mixture
Mix one part, “Specially blended ECHO branded
50 : 1 two cycle engine oil,” with 50 parts
unleaded gasoline. (minimum octane-89)
GASOLI NE
Use the branded 89 octane [(R+M)/2] unleaded
gasoline or gasohol (maximum 10 % ethyl alcohol,
no methyl alcohol).
CAUTION
Follow all safety rules in safety section.
1. Pour 1/2 of the gasoline into a safe approved
container.
2. Add oil to gas and mix thoroughly.
3. Add remaining gasoline and remix thoroughly.
4. Add gas stabilizer to fuel/oil mixture.
5. Install container cap and wipe up any spilled fuel
from container and area.
CHAIN LUBRICANT
Proper lubrication of the chain while in operation
reduces the friction to a minimum between the
chain and the guide bar, and assures faster cutting
and longer bar and chain life.
•
The QuikVent™ system should be used only
with special ECHO detergent bar and chain oil.
Refer to page 19 for accessory part number.
•
When refilling fuel mixture, fill up chain oil at the
same time.
Fuel Mix Chart 50 : 1
(US)
(METRIC)
GAS
OIL
GAS
OIL
Gal.
US. fl. oz.
L
mL
1
2.6
4
80
2
5.2
8
160
5
12.8
20
400
