Operator's Manual
MC25 2-Cycle Cultivator
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10
IMPORTANT
THIS ENGINE USES A GAS/OIL MIXTURE. DO NOT
RUN ON STRAIGHT GAS ONLY, ENGINE DAMAGE
WILL OCCUR.
Preparing Engine for Starting
Mixing Fuel and Filling the Fuel Tank
IMPORTANT:
To operate the engine, we recommend using
Viper® brand 2-cycle oil (PN 16890) or equivalent
high quality 2-cycle oil designed for air-cooled
2-cycle engines, to ensure that the engine
operates correctly throughout the life of the
engine. Use premium gasoline, low/no ethanol
blends recommended.
NOTE: Engine must be run with a 50:1 Gas:Oil ratio.
1. Fuel must be mixed in a U.L. or ASTM approved fuel
container outdoors in a well ventilated area.
2. Fill fuel container 1/4 full of recommended fuel.
3. Add recommended amount of 2-cycle oil.
4. Screw container fuel cap on straight and tight.
5. Shake the container to mix fuel and oil.
6. Unscrew container fuel cap slowly to vent. Add the
remainder of fuel requirements.
7. Wipe away any spilled fuel or oil and allow to evaporate
before moving or transporting.
GAS OIL RATIO
1 gallon 2.6 ounces 50:1
2 gallons 5.1 ounces 50:1
5 gallons 13 ounces 50:1
Tine Removal and Installation
To Remove Tines, do as follows: SEE FIGURE 4
1. Remove the hairpins from each end of the tine shaft.
2. Slide the four tines o the shaft.
To Install Tines
1. Slide the inside tines onto each end of the tine shaft. One
inside tine is stamped with a B and the other is stamped
with a C.
2. Slide the outside tine A and tine D onto each end of the
shaft next. The tines should be installed in the correct
order so that they are positioned left to right A, B, C, D,
as viewed from the user’s position on the cultivator. Make
sure that the hub collars on both the right and left pairs
of tines face each other so that there is adequate spacing
between the tine blades.
3. Insert the hairpins into the holes at each end of the tine
shaft to lock the tines into place.
NOTE: Tines can be reversed so the pointed tip of the
tines are directed forward - for more aggressive
digging. In this arrangement, tines are positioned
left to right D, C, B, A as viewed from the user’s
position.
To reduce cultivating width from 10” to 6”, remove
both outer tines and reinsert hairpins through the
two inner holes on the tine shaft to secure both
inner tines in place.
Filling Fuel Tank
1. Shut-o engine and allow engine to completely cool
before relling the fuel tank.
2. Move to a well ventilated area, outdoors, away from
ames and sparks.
3. Clean debris from area around the fuel cap.
4. Loosen fuel cap slowly. Place the cap on a clean, dry
surface.
5. Carefully add fuel without spilling.
6. Do not ll fuel tank completely full, allow space for fuel to
expand.
OPERATION
Operation Tips
1. The clutch will transfer maximum power after about two
hours of normal operation. During this break-in period
clutch slippage may occur. The clutch should be kept free
of oil and other moisture for ecient operation.
2. Cultivate without placing excessive body weight on the
unit. The cultivator operates most eciently with the
weight of the unit itself.
7. Immediately replace fuel cap and tighten. Wipe o spilled
fuel and allow to dry before starting engine.
HAIRPIN
HUB
COLLARS
INNER TINE
OUTER TINE
TINE SHAFT
INNER HOLE
FIGURE 4
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