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12
FUELING INSTRUCTIONS
WARNING
Reread the Safety Precautions relating
to “Handling Fuel” on Page 3.
The Cub Cadet Commercial trimmer uses an oil-
gasoline mixture as fuel. The engine is certified to
operate on unleaded gasoline.
Use regular name-brand unleaded gasoline with a
minimum octane number of 89. If the octane
number of the regular grade gasoline in your area
is lower use premium unleaded fuel. Fuel with a
lower octane number may result in preignition
(causing “pinging”) which is accompanied by an
increase in engine temperature. This, in turn,
increases the risk of piston seizure and damage to
the engine.
The chemical composition of the fuel is also
important. Some fuel additives not only
detrimentally affect elastomers (carburetor
diaphragms, oil seals, fuel lines etc.), but
magnesium castings as well. This could cause
running problems or even damage the engine. For
this reason it is essential that you use only name-
brand fuels!
IMPORTANT:
Do not use any gasoline containing alcohol.
Serious engine or fuel system damage will occur.
Use only quality two-stroke, air-cooled engine oil
with the classification TC. The mix ratio is 25-30:1.
We recommend Cub Cadet Commercial brand 2-
Stroke Engine Oil since it is specially tested for use
in all Cub Cadet Commercial two-stroke engines.
The mix ratio is 50:1
IMPORTANT:
Do not use BIA or TCW (two-stroke water cooled)
mix oils!
Directions for Mixing: (See Chart for Amounts)
1. Put one-half of the gasoline in a safety approved
container.
2. Add the proper amount of two-stroke oil and mix
thoroughly.
3. Add the remainder of the gasoline and mix
thoroughly.
Take care when handling gasoline. Avoid direct
contact with the skin and avoid inhaling fuel vapor.
The gasoline container should be kept tightly
closed in order to prevent any moisture getting into
the mixture.
Only mix sufficient fuel for a few days work, not to
exceed 30 days of storage. Store in a safety
approved fuel container only.
Fuel Mixes:
Gasoline Oil (50:1) Oil (25-30:1)
(Cub Cadet (Other Name-
2-Stroke Brand TC Oils)
Engine Oil)
Liters Liters Liters
(U.S. gal.) (U.S. fl. oz.) (U.S. fl. oz.)
1 0.02 0.04-0.033
(1) (2.6) (5.12-4.27)
10 0.2 0.4-0.33
(2.5) (6.4) (12.8-10.66)
20 0.4 0.8-0.67
(5) (12.8) (25.6-21.33)
Dispose of empty two-stroke oil containers at
authorized disposal locations only.
CAUTION
The engine used on this trimmer is of a 2-cycle
design. The internal moving parts of the engine,
f.e., crankshaft bearings, piston pin bearings and
piston to cylinder wall contact surfaces, require
oil mixed with the gasoline for lubrication. Failure
to add oil to the gasoline or failure to mix oil with
the gasoline at the appropriate ratio will cause
major engine damage which will void your
warranty. For your fuel premix, only use Cub
Cadet Commercial brand 50:1 2-cycle oil or a
quality oil designed for 2-cycle air cooled
engines.
6. Install the bolt cover (Ref.6).
7. Install the left hand nut (Ref.7) tighten to 18.5
(N
•
m).