Ryobi RY52502 Operator'S Manual Download Page 7

7

 

FEATURES

Fig. 1

PRODUCT SPECIFICATIONS

Engine Displacement ......................................................................................................................................................30cc
Bar length .......................................................................................................................................................................10 in.
Weight ............................................................................................................................................................................16 lb.

KNOW YOUR PRUNER

See Figure 1.

Before attempting to use this product, familiarize yourself 
with all operating features and safety rules.

ENGINE SWITCH

The engine switch controls the ignition system. The switch 
must be in the ON (

I

) position for the engine to start and 

run.

“J” BARRIER HANDLE

Using the J” Barrier handle allows better control of the pruner 
to maximize operator safety.

PRIMER BULB

The priming bulb pumps fuel from the fuel tank to the car-
buretor. This is necessary only when starting a cold engine 
or after refueling an engine that has run out of fuel. 

SHOULDER STRAP

The shoulder strap helps support the weight of the pruner 
during use.

START LEVER

The  start  lever  opens  and  closes  the  choke  valve  in  the 
carburetor. 

STARTER GRIP

The starter grip is used for starting the engine.

THROTTLE TRIGGER

The throttle trigger is used for starting the pruner, and also 
for controlling blade rotation.

STARTER GRIP

BAR

PRIMER BULB

CHAIN OILER 

TANK CAP 

THROTTLE 

TRIGGER 

 

CHAIN

ENGINE 

SWITCH 

PRUNER 

ATTACHMENT 

SHOULDER 

STRAP 

“J” BARRIER 

HANDLE

COUPLER

KNOB

SCABBARD

EXTENSION

SHAFT 

COMBINATION

WRENCH

TRIGGER 

LOCK

Summary of Contents for RY52502

Page 1: ...nd manufactured to our high standard for dependability ease of operation and operator safety When properly cared for it will give you years of rugged trouble free performance WARNING To reduce the ris...

Page 2: ...intenance 13 17 Troubleshooting 18 Warranty 19 21 Parts Ordering Service 22 TABLE OF CONTENTS INTRODUCTION This product has many features for making its use more pleasant and enjoyable Safety performa...

Page 3: ...e spark plug wire before making any adjustments or repairs except for carburetor adjustments Inspect the unit before each use for loose fasteners fuel leaks etc Replace any damaged parts before use Th...

Page 4: ...it is designed To protect yourself from falling branches do not stand di rectly under the branch or limb being cut This unit should not be held at an angle over 60 from ground level Keep the handles...

Page 5: ...The Operator s Manual To reduce the risk of injury user must read and understand operator s manual before using this product Eye Hearing and Head Protection Wear eye hearing and head protection when...

Page 6: ...ially hazardous situation which if not avoided may result in minor or moderate injury CAUTION Without Safety Alert Symbol Indicates a situation that may result in property damage WARNING To avoid seri...

Page 7: ...ps fuel from the fuel tank to the car buretor This is necessary only when starting a cold engine or after refueling an engine that has run out of fuel SHOULDER STRAP The shoulder strap helps support t...

Page 8: ...3 4 in 8 oz Bar and Chain Oil Bottle of 2 cycle oil Shoulder Strap Hanger with mounting hardware Shoulder Strap J Barrier Handle Assembly J Barrier Handle Top and Bottom Clamp Short Bolt Long Bolt Fl...

Page 9: ...extension shaft to power head CHAIN OILER Add bar and chain oil in the chain oiler tank before starting the engine of the power head Refer to Chain Oiler in the Maintenance section of this manual FUE...

Page 10: ...Maintain a proper grip on the unit whenever the engine is running Use your right hand to firmly grip the rear handle while your left hand has a firm grip on the front handle Hold unit firmly with bot...

Page 11: ...and limbs up to 6 in in diameter For best results observe the follow ing precautions Plan the cut carefully Be aware of the direction in which the branch will fall Branches may fall in unexpected dire...

Page 12: ...bare surface PRIME Press the primer bulb 7 times SET the start lever to the START position PULL the rope until the engine starts Allow the engine to run for 6 10 seconds Squeeze trigger lock and thro...

Page 13: ...nly the parts shown on the parts list are intended to be repaired or replaced by the customer All other parts should be replaced at an authorized service center CHAIN TENSION See Figures 13 14 WARNING...

Page 14: ...on adjustment CHAIN TENSIONING SCREW Fig 19 BAR NUT Fig 20 Remove all slack from chain by turning the chain tension ing screw clockwise assuring that the chain seats into the bar groove during tension...

Page 15: ...ly Check and refill the chain oiler tank every time the engine is fueled NOTE Do not use dirty used or otherwise contaminated oils Damage may occur to the oil pump bar or chain Fig 21 Fig 22 REMOVE CA...

Page 16: ...in diameter round file and holder Keep the file level with the top plate of the tooth Do not let the file dip or rock LEFT HAND CUTTERS RIGHT HAND CUTTERS Fig 27 CAUTION Dull or improperly sharpened c...

Page 17: ...may be faulty or filter clogged Replace fuel cap if required SPARK PLUG This engine uses a Champion RCJ4 with 025 in electrode gap Use an exact replacement and replace annually STORAGE 1 MONTH OR LONG...

Page 18: ...rm up If engine does not accelerate after three minutes contact a servicing dealer Engine starts but will only run at high speed at half choke Carburetor requires adjustment Contact a servicing dealer...

Page 19: ...does not extendtorepairsmadenecessarybynormalwearorbythe use of parts or accessories which are either incompatible with the RYOBI brand outdoor product or adversely affect its operation performance o...

Page 20: ...interpreted as follows Any warranted part that is not scheduled for replacement as required in the Emissions Maintenance Schedule and Warranty Parts List set forth below is warranted for two years If...

Page 21: ...RE WARRANTED FOR TWO YEARS OR FOR THE PERIOD OF TIME PRIOR TO THE PARTS FIRST SCHEDULED REPLACEMENT WHICHEVER COMES FIRST THIS PRODUCT WAS MANUFACTURED WITH A CATALYST MUFFLER Congratulations You have...

Page 22: ...e PARTS AND SERVICE Prior to requesting service or purchasing replacement parts please obtain your model and serial number from the product data plate MODEL NUMBER SERIAL NUMBER HOW TO OBTAIN REPLACEM...

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