RADLEY YFG52-H User manual
WEAR CSA APPROVED
EYE PROTECTION
WEAR EAR
PROTECTION
WEAR FACE
PROTECTION
20" 52C CANA
OWNER’S MANUAL
3 Year Limited Warranty on tool
1
RADLEY 20" 52CC CHAINSAW
Displacement cc/cm3
52
Max. Output (kW /RPM) 2.0 / 8500
Fuel Gas to oil (two cycle) 50:1
Fuel tank capacity 18 ozs. / 530 ml
Chain oil Motor oil
Oil tank capacity 8½ ozs. / 250 ml
Carburetor 2133
Ignition system C.D.I.
Spark plug RCJ6Y
Oil feeding system Automatic pump with adjuster
Chain type
.325.058x76DL
Weight 18 lb / 8.2 kg
Guide bar type
Size 20" / 51 cm
Gauge 0.058" / 1.5 mm
NEED ASSISTANCE?
Call us on our toll free customer support line:
1-833-818-4111 - Monday through Friday, 9am - 5pm, Eastern Standard Time
•Technical questions
•Replac ement parts
•Parts missing from package
BU20-76-5812P
5240-174
20" 52CC CHAINSAW
2
TBE F CNET
...........................................................................................................1
................................................................................................................... 2
General Safety Warnings...................................................................................................
Chainsaw Use and Care.....................................................................................................
..........................................................................................................
Symbols .................................................................................................................................. 8
Know Your 20"Chainsaw ......................................................................................................
Handling Fuel ....................................................................................................................... 10
Operation ............................................................................................................................. 10
Installing Guide Bar and Saw Chain ................................................................................... 11
Fuel and Oil ..................................................................................... ......................................12
How to Mix Fuel ...................................................................................................................12
.....................
Checking Oil Supply.............................................................................................................15
Adjusting the Carburetor ....................................................................................................15
Chain Brake ...........................................................................................................................16
.........................................................................................................................17
Bucking and Limbing ...........................................................................................................17
Maintenance ...................................................................................................................
...................................................................................................................21
..................................................................................................................... 22
Parts List ..........................................................................................................................
Warranty ................................................................................................................................ 28
3
IPRAT!
SAFETY INSTRUCTIONS
ALL OPERATORS MUST READ THESE INSTRUCTIONS BEFORE USE
Any electrical appliance can be dangerous if used incorrectly. Some of the safety
precautions given in this manual apply generally to many appliances. Other warnings are
so may result in serious bodily injury or death.
SYMBOL MEANING
could result in serious injury or death.
could result in minor or moderate injury.
GNRL SFT
FOR HOUSEHOLD USE ONLY
instructions and other information contained in this manual. Save this manual and review
procedures.
CAUTION! Wear appropriate hearing protection during use. After long periods of
ears are not properly protected.
WARNING!
following:
1. Keep work area clean and well lit - Cluttered or dark areas invite accidents.
2. Replacement parts -
3. Keep children, bystanders and pets away -
kept a safe distance away from the work area.
Dress properly - Do not wear loose clothing or jewelry as such articles can get
caught in moving parts. Wear a protective covering to contain long hair. Wearing
rubber gloves and substantial nonslip footwear is recommended when working
outdoors.
5. No smoking - Never smoke while operating this unit.
6. Not to be used by children - Never allow children or anyone unable to fully
understand the manual to use this unit.
7. Ensure fuel cap is tightly closed - Unit vibrations can cause an improperly tightened
5240-174
20" 52CC CHAINSAW
4
8. Toxic exhaust fumes -
indoors or in poorly ventilated locations.
Moving parts -
assembly on this unit while the engine is running. Keep hands and feet away from
moving parts. Keep guards in place and in proper working order.
10. Wear personal protective equipment -
side shields or goggles to provide necessary eye protection. Wear ear protection to
prevent hearing damage. Use a face or dust mask if the work environment is dusty.
11. Do not force the tool - It will perform better with less likelihood of personal or
mechanical injury if it is used at the rate for which it is designed.
12. Store idle tool indoors -
13. Maintain the chainsaw with care - Keep the chainsaw clean for optimal performance
grease. Follow the additional recommendations described in the maintenance
section of this manual.
Use care - Do not direct the unit stream toward people or animals. Watch out for
15. Use the right tool - Do not use the tool for any job except that for which it is
intended.
16. Avoid dangerous environments -
locations.
17. Stay alert - Watch what you are doing. Use common sense. Do not operate the
medication.
CAN SW U AD CR
chainsaw will do the job better and safer at the rate for which it was designed.
cannot be controlled with the switch is dangerous and must be repaired.
Store idle chainsaws out of the reach of children and do not allow persons unfamiliar
with the chainsaw or these instructions to operate the chainsaw. Chainsaws are
dangerous in the hands of untrained users.
have the chainsaw repaired before use. Many accidents are caused by poorly maintained
chainsaws.
Keep cutting tools sharp and clean. Properly maintained cutting tools with sharp cutting
edges are less likely to bind and are easier to control.
taking into account the working conditions and the work to be performed. Use of the
5
hazardous situation.
Hold power tools by insulated gripping surfaces when performing an operation where
the cutting tool may contact hidden wiring or its own cord. Contact with a "live" wire will
make exposed metal parts of the tool "live" and shock the operator.
SERVICE
SEFC SFT US
Keep all parts of the body away from the saw chain when the chainsaw is operating.
moment of inattention while operating chainsaws may cause entanglement of your
clothing or body with the saw chain.
NOTE:
making buck cuts.
Always hold the chainsaw with your right hand on the rear handle and your left hand on
risk of personal injury and should never be done.
contact hidden wiring. Saw chains contacting a live wire may make exposed metal parts
of the chainsaw live and could give the operator an electric shock.
Do not operate a chainsaw in a tree. Operation of a chainsaw while up in a tree may
result in personal injury.
secure and level surface. Slippery or unstable surfaces such as ladders may cause a loss
of balance or control of the chainsaw.
When cutting a limb that is under tension be alert for springback. When the tension in
the chainsaw out of control.
Proper handling of the chainsaw will reduce the likelihood of accidental contact with the
moving saw chain.
5240-174
20" 52CC CHAINSAW
6
ALWAYS USE TWO HANDS WHEN
OPERATING THE CHAINSAW
Contact of the guide bar tip with any object should be
avoided.
may cause serious injury.
Improperly tensioned or lubricated chain may either break or increase the chance for
kickback.
causing loss of control.
Cut wood only. Do not use chainsaw for purposes not intended. For example: do not
WARNING!
hazardous situation.
CAUSES AND OPERATOR PREVENTION OF KICKBACK
WARNING! Kickback may occur when the moving chain contacts an object at the
upper portion of the tip of the guide bar or when the wood closes in and pinches the
saw chain in the cut. Contact at the upper portion of the tip of the guide bar can cause
fast reverse reaction which kicks the guide bar up and back toward the operator. If the
can result in serious injury. Do not rely exclusively upon the safety devices built into the
from accident or injury.
hands on the saw and position your body and arm to allow you to resist kickback forces.
not let go of the chainsaw.
tip contact and enables better control of the chainsaw in unexpected situations.
replacement bars and chains may cause chain breakage and/or kickback.
Decreasing the depth gauge height can lead to increased kickback.
surprise. Sudden surprise contributes to accidents.
7
ATTENTION!
sawhorse or frame.
VIBRATION AND NOISE REDUCTION
exposure:
1. Use the product only in accordance with its design and instructions.
3. Use the correct accessories and ensure that they are in good condition.
5. Maintain the product according to these instructions and keep it well lubricated.
6. Plan your working hours according to these instructions in order to spread a higher
load over a longer period of time.
WARNING! Familiarize yourself with the use of the product by reading this manual
help you prevent risks and hazards.
Always be careful when using the product so that you can identify and react to hazards
early. Quick intervention can prevent serious injury and property damage.
RESIDUAL RISKS
following hazards may occur in connection with the construction and design of this
power tool:
b) Hearing damage if you do not wear suitable hearing protection or use the power tool
for a long period of time.
extended period of time or is not properly operated and maintained.
ADDITIONAL SAFETY RULES
•
used to cut materials other than wood.
•
pets should be kept at a safe distance away from work area.
•Be sure to secure the unit when transporting it.
•
use as described in the cleaning and storage section.
5240-174
20" 52CC CHAINSAW
8
SMOS
Read the user manual before
using the machine. Warning! Danger! Note!
safety goggles must be worn
as a soundproof helmet
must be worn to protect the
operator is working in an area
where there is a risk of falling
also be worn.
Do not expose to rain.
Wear safety boots to protect
against electric shock.
Wear gloves to protect your
hands.
Warning! Kickback danger.
Gas mixture port. CHAIN OIL
MINMAX
Chainsaw oil port.
H
L
T
H: High position.
L: Low position.
stop the engine.
the choke knob.
Always use the chainsaw with two hands.
9
KO OR 20" 52C CANA
Guide Bar
Front Handle
Guard
Cylinder
Cover
Front
Handle
Primer Bulb
Lockout
Chain Cover
Chain Bar
Cover
Chain
Screw
Chain Cover
Locking Nut
Combination
Wrench
Hex Key
Bumper Spike
Bar and Chain Oil
Fuel Mixing Container
Saw Chain
Starter
Rear Handle
Stop Switch
Choke Knob
Starter Handle
5240-174
20" 52CC CHAINSAW
10
HNLN FE
WARNING!
Always be sure to keep lit cigarettes away from the product at all times.
the engine back on.
BEFORE STARTING ENGINE
remove it before starting to cut.
from a falling tree.
Use caution and keep bystanders and animals out of the working area and possible area
around the cutting object.
that the saw chain stops moving when the throttle control trigger is released.
WHEN STARTING THE ENGINE
Keep all parts of your body away from the machine when the engine is running. Before
ORTO
is in operation or immediately after stopping the engine. Doing so could result in serious
burns or electrical shock.
Before starting check the tree for dead branches that could fall while you are working.
11
ISLIG GI BR AD SW CAN
A standard saw unit package contains the
following items (Figure 1):
1. Power unit
2. Chain bar cover
3. Guide bar
5. Combination wrench
6. Hex key
Install the guide bar and the chain on the
power unit (Figure 2): Loosen the nuts
and remove the chain cover.
Install the chain to the sprocket and while
mount the guide bar to the power unit.
Adjust the position of chain tension screw
on the chain cover to the lower hole of
chain bar.
(1). Hole
(3). Chain cover
NOTE: Pay attention to the correct
direction of the chain (Figure 3).
Figure 3
Figure 2
Figure 1
Mount the guide bar to the studs of the
guide bar. Adjust the position of the chain
2. Loosen
A new chain will expand its length in the
beginning of use. Check and readjust the
easily derail or cause rapid wear of itself
and the guide bar.
Figure 4
5240-174
20" 52CC CHAINSAW
12
FE N OL
WARNING!
sure to stop the engine and allow it to cool before refueling the unit. Fuel up on outdoor
engine.
engine use.
the introduction of an inert material during combustion.
Make sure to use gasoline with a minimum octane number of 87 (Regular). If you use
occur.
HW T I FE
FUEL MIXTURE
CAUTION!
measure the amount of oil to be mixed to ensure that the correct mixture is obtained.
ratio of the mixture.
WARNING!
FUEL
CAUTION!
recommended.
Gasoline with up to 10% ethanol is acceptable.
TWOSTROKE OIL
that is intended for air cooled engines. Mixture 1:50 (2%).
referred to as outboard oil.
13
GASLITER TWOSTROKE OIL· LITER ( 2% / 1:50)
10.02
2
30.06
0.08
MIXING
Always mix the gasoline and oil in a clean container intended for fuel.
amount of oil. Mix (shake) the fuel mixture. Add the remaining amount of gasoline.
WARNING!
WARNING!
carefully after refueling. Always move the machine away from the refueling area before
starting.
CHAIN OIL
CAUTION!
NOTE!
of the lubricant used.
2. Old oil must not be used! Use only environment friendly chain lubricant.
3. Store chain lubricant only in containers which comply with the regulations.
the winter.
5240-174
20" 52CC CHAINSAW
14
ORTN TE NI
STARTING THE ENGINE
Fill fuel and chain oil tanks and tighten the caps securely (Figure 5).
COLD ENGINE START
Move the front hand guard fully rearward (A) (towards
click as sign chain brake is unlocked. Press the primer
(Figure 6).
Put the switch to ON position (Figure 7).
Pull the starter to start the engine.
the starter rope vigorously (Figure 10).
WARNING! Do not start the engine while holding
the chainsaw just in your hands. Be sure you have
stabilized the saw before starting.
pull the starter again to start the engine.
Allow the engine to warm up with the throttle lever
choke knob is automatically in the operating position.
WARNING! Keep clear of the saw chain as it will start
rotating upon starting of engine.
Figure 5
Figure 6
Figure 7
Figure 8 Figure 9 Figure 10
Choke
Knob
Interlock
15
CEKN OL SPL
cap if necessary.
1. Chain oil (Figure 11).
2. Chain oil port (Figure 12).
AJSIG TE CRUTR
operating conditions.
number of turns as show below.
H needle jet: 1 3/8 rotations out (Figure 13).
screw clockwise (Figure 13).
Make a test cut and adjust the H needle jet for best
Idle Adjusting Screw
H Needle Jet
L Needle Jet
Figure 11
Figure 12
Figure 13
5240-174
20" 52CC CHAINSAW
16
CAN BA
1. Break
2. Released
3. Operated
STOPPING THE ENGINE
1. Release the throttle lever to allow the engine to idle
for a few minutes.
2. Put the switch to the stop position (Figure 15).
SAWING
WARNING! It is not necessary to force the saw into
the cut. Apply only light pressure while running the
engine at full throttle.
out. Use a wedge or a lever to open the way.
Figure 14
Figure 15
GUARD AGAINST KICKBACK
(Figure 16)
stop the chain in the event of a kickback if operating
properly. You must check the chain brake operation
before each usage by running the saw at full throttle for
replace the brake band and clutch drum before use. Figure 16
It is extremely important that the chain brake be checked for proper operation before
each use and that the chain be sharp in order to maintain the kickback safety.
bar or chain may increase the risk of serious personal injury due to kickback.
17
CTIG TE
Decide the direction you want the tree to fall. Consider
foothold and retreat path.
you want it to fall (Figure 17).
a level slightly higher than the bottom of the notch
(Figure 17).
WARNING!
to eliminate any dangers and notify those in close
proximity.
BCIG D LMIG
WARNING! Always ensure stable footing. Do not
stand on the log. Be alert that the log may roll over after
the uphill side of the log. Follow the instructions in "For
Safe Operation" to avoid kickback of the saw.
A LOG LYING ON THE GROUND
the opposite side (Figure 18).
A LOG HANGING OFF THE GROUND
CUTTING LIMB OF A FALLEN TREE
the opposite side. (Figure 20).
PRUNING A STANDING TREE
Finish by sawing down from the top (Figure 21).
Figure 17
Figure 18
Figure 19
Figure 20
Figure 21
Fall
Direction
Notch Cut Fall Cut
5240-174
20" 52CC CHAINSAW
18
MITNNE
WARNING!
Disconnect the spark plug to prevent accidental starting.
MAINTENANCE AFTER EACH USE
AIR FILTER
blow from the inside (Figure 22).
OIL PORT
Dismount the guide bar and check the oil port for
clogging (Figure 23).
1. Oil port
CHAIN BAR
in the bar groove and the oiling port. Grease the nose
sprocket from the feeding port on the tip of the bar
1. Oil port
2. Grease port
3. Sprocket
Figure 22
Figure 23
Figure 24
Figure 25
19
PERIODIC MAINTENANCE
CYLINDER FINS
overheating of the engine. Periodically check and
and the cylinder cover.
NOTE: Be sure to block the air intake hole (Figure 26).
FUEL FILTER
(Figure 27).
NOTE:
OIL TANK
(Figure 28).
SPARK PLUG
Clean the electrodes with a wire brush and reset the
SPROCKET
Check for cracks and excessive wear interfering with
Figure 26
Figure 27
Figure 28
Figure 29
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1
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