Komatsu RedMax CV225 Owner's manual

Owner/ Operator Manual
0210
WARNING
!!
The engine exhaust from this product
contains chemicals known to the State
of California to cause cancer, birth
defects or other reproductive harm.
WARNING
!!
Before using our products, please
read this manual carefully to
understand the proper use of
your unit.
Engine Unit: 108000 and up
Tiller/Cultivator CV225

2
The KOMATSU/REDMAX Tiller/Cultivator tills and
weeds precisely “to handle” your most difficult jobs. It
handles smoothly while the “bolo-tine” tines churn soil
to ten inches deep. It creates a soft smooth seed bed,
even in problem stony soil.
Once you know how to use your Precision
Tiller/Cultivator correctly, we guarantee you’ll love it.
So first, please read this manual. It shows, step by
step, how to use your Tiller/Cultivator safely.
If you have questions about any topic in this Manual
contact your local authorized REDMAX dealer.
Welcome to the World of KOMATSU/REDMAX Gardening
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
Safety Rules and Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
Assembly Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
Fuel Mix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
Starting Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
Additional Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
What to do Just in Case . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
Tilling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
Cultivating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17
Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21
Troubleshooting Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22
Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23
Cultivator Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24
Engine Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26
Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28
Emissions Statement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30
Table of Contents

3
Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .CV225
Overall Size (L x W x H) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .47 (1194) x 11 (280) x 38 (965) in (mm)
Dry weight w/o acc. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21.5 LBS (9.8kg)
Engine Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Air cooled 2-stroke gasoline
Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Zenoah
Displacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1.4cu-in (22.5cm3)
Max. Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1.08Hp at 8000rpm
Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Mixture (Gasoline 50 : Oil1)
Carburetor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Walbro Diaphragm type
Spark plug . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Champion RCJ6Y
Fuel tank capacity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20.3 fl.. oz (0.6L)
Transmission . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Centrifugal clutch, Rigid driveshaft
Reduction ratio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .42:1
Durability period . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .150 hrs.
Specifications are subject to change without notice.
Specifications

4
You will notice throughout this Owners Manual
Safety Rules and Important Notes. Make sure you
understand and obey these warnings for your own
protection.
Special Safety Information
Safety and Warnings
Safety Decal Information
An important part of the safety system incorporated
in this trimmer are the warning and information
decals found on various parts of the trimmer. These
decals must be replaced in time due to abrasion, etc.
It is your responsibility to replace the decals when
they become hard to read. The location of these
decals and their part numbers for ordering are shown
below.
Safety Rules and Warnings
WARNING DANGER
ATTENTION: THIS SYMBOL POINTS OUT OUR
IMPORTANT SAFETY INSTRUCTIONS
WHEN YOU SEE THIS SYMBOL
HEED ITS WARNING! STAY ALERT!
WARNING DANGER
TO REDUCE THE POTENTIAL FOR ACCIDENTS,
COMPLY WITH THE SAFETY INSTRUCTIONS IN
THIS MANUAL. FAILURE TO COMPLY MAY
RESULT IN SERIOUS PERSONAL INJURY AND OR
EQUIPMENT AND PROPERTY DAMAGE.
WARNING DANGER
IMPROPER USE OR CARE OF THIS
TILLER/CULTIVATOR, OR FAILURE TO WEAR
PROPER PROTECTION CAN RESULT IN
SERIOUS INJURY.
READ AND UNDERSTAND THE RULES FOR SAFE
OPERATION AND ALL INSTRUCTIONS
IN THIS MANUAL.WEAR HEARING PROTECTION.
WARNING DANGER
THE ENGINE EXHAUST FROM THIS PRODUCT
CONTAINS CHEMICALS KNOWN TO THE STATE
OF CALIFORNIA TO CAUSE CANCER, BIRTH
DEFECTS OR OTHER REPRODUCTIVE HARM.

WEAR EAR AND EYE
PROTECTION.
CUTTING HAZARD; KEEP
FEET AND HANDS AWAY
FROM ROTATING TINES.
DO NOT CARRY THE
TILLER/CULTIVATOR IN
THIS POSITION.
READ OWNER’S MANUAL
BEFORE USING
TILLER/CULTIVATOR, OR
PERFORMING ANY REPAIR
OR MAINTENANCE. KEEP
OWNERS MANUAL IN A
SAFE PLACE.
DON’T FUEL, REFUEL, OR
CHECK FUEL WHILE
SMOKING, OR NEAR AN
OPEN FLAME OR OTHER
IGNITION SOURCE.
CAUTION: WHEN
ASSEMBLING THE
HANDLES, MAKE SURE
FUEL TANK FACES AWAY
FROM OPERATOR. THIS IS
THE REAR OF THE
TILLER/CULTIVATOR,
REFER TO ASSEMBLY
INSTRUCTION ON PAGE 8.
INCORRECT ASSEMBLY.
Safety Decal Information cont.
Warnings - Do’s
1. Always keep a firm grip on both handles while
the tines are moving and/or the engine is
running. BE AWARE!! The tines may coast after
throttle trigger is released. Make sure tines have
come to a complete stop and engine is off before
letting go of the Tiller/Cultivator.
2. Always maintain a firm footing and good
balance. Do not overreach while operating the
Tiller/Cultivator. Before you start to use the
Tiller/Cultivator, check the work area for
obstacles that might cause you to lose your
footing, balance or control of the machine.
3. Thoroughly inspect the area where equipment is
to be used and remove all objects, that can be
thrown by the machine.
WARNING DANGER
IF THE TILLER/CULTIVATOR PRECAUTIONS
ARE NOT FOLLOWED, THE USER RISKS
SERIOUS INJURY TO THEMSELVES
AND OTHERS.
READ AND UNDERSTAND THIS MANUAL
BEFORE ATTEMPTING TO OPERATE THIS
TILLER/CULTIVATOR.
5