Page 3 - GENERAL SAFETY RULES; SAFETY APPAREL
3 GENERAL SAFETY RULES REAd ALL INSTRUcTIONSBASIc SAFETY PREcAUTIONS Do not operate a chain saw with one hand! Use a firm grip with thumbs and fingers encircling the chain saw handles. Serious injury to the operator, helpers, bystanders, or any combination of these persons may result from one-hand...
Page 4 - KIcKBAcK
GENERAL SAFETY RULES KIcKBAcK See Figures 1 - 2. 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...
Page 6 - BATTERY SAFETY; SPEcIFIc SAFETY RULES
6 BATTERY SAFETY Battery operated units do not have to be plugged into an electrical outlet; therefore, they are always in operating condition. Be aware of possible hazards even when unit is not operating. Remove the battery pack from the chain saw before cleaning, servicing, storing, removing m...
Page 7 - SYMBOLS; SYMBOL
7 SYMBOLS Some of the following symbols may be used on this product. Please study them and learn their meaning. Proper interpretation of these symbols will allow you to operate the product better and safer. SYMBOL NAME dESIGNATION/EXPLANATION V Volts Voltage A Amperes Current Hz Hertz Frequency (cyc...
Page 8 - SERVIcE; SAVE THESE INSTRUcTIONS
8 SYMBOLS SERVIcE Servicing requires extreme care and knowledge and should be performed only by a qualified service technician. For service we suggest you return the product to your nearest AUTHORIZEd SERVIcE cENTER for repair. When servic-ing, use only identical replacement parts. WARNING: SAVE THE...
Page 9 - FEATURES; PROdUcT SPEcIFIcATIONS
9 FEATURES PROdUcT SPEcIFIcATIONS Motor ......................................................................................................................................................................18 Volt DCBar Length ............................................................................
Page 10 - ASSEMBLY; UNPAcKING; OPERATION; APPLIcATIONS
10 ASSEMBLY UNPAcKING This product has been shipped completely assembled. Carefully remove the product and any accessories from the box. Make sure that all items listed in the packing list are included. Inspect the product carefully to make sure no breakage or damage occurred during shipping. ...
Page 11 - TO INSTALL BATTERY PAcK; TO REMOVE BATTERY PAcK; cHAIN OIL SYSTEM
11 This product will accept Ryobi One+ 18 V lithium-ion battery packs and Ryobi One+ 18 V nickel-cadmium battery packs. For complete charging instructions, refer to the Operator’s Manual for the battery packs and chargers listed in the General Safety Rules. TO INSTALL BATTERY PAcK See Figure 6 . P...
Page 12 - PREPARATION FOR cUTTING; STARTING ANd STOPPING THE cHAIN SAW
1 Fig. 8 TRIGGER RELEAsE BuTTON TRIGGER WARNING: Keep body to the left of the chain line. Never straddle the saw or chain, or lean over past the chain line. Starting the chain saw: Place the chain saw on a flat bare surface and make sure no objects or obstructions are in immediate vicinity which c...
Page 14 - TREE FELLING
1 Fig. 1 PROPER cUTTING STANcE See Figure 12. Weight should be balanced with both feet on solid ground. Keep left arm with elbow locked in a "straight arm" posi- tion to withstand any kickback force. Your body should always be to the left of the chain line. Thumb should be on undersi...
Page 16 - BUcKING
16 Felling Backcut. The backcut is always made level and horizontal, and at a minimum of in. above the horizontal cut of the notch. See Figures 14 - 15. Never cut through to the notch. Always leave a band of wood between the notch and backcut (approximately in. or 1/10 the diameter of the tree)....
Page 19 - MAINTENANcE; BATTERIES
19 MAINTENANcE BATTERY PAcK REMOVAL ANd PREPARATION FOR REcYcLING To preserve natural resources, please r e c y c l e o r d i s p o s e o f b a t t e r i e s properly.This product uses nickel-cadmium and lithium-ion batteries. Local, state or federal laws may prohibit disposal of batteries in ordina...
Page 20 - REPLAcING BAR ANd cHAIN; REcOMMENdEd BAR ANd cHAIN
0 REPLAcING BAR ANd cHAIN See Figures 24 - 28. WARNING: The safety instructions in this section are to protect the user from serious personal injury. WARNING: Remove the battery pack from the chain saw and make sure the chain has stopped before you do any work on the saw. Failure to do so may result...
Page 21 - cHAIN TENSION
1 Replace the chain cover, washer and chain cover screw. Tighten the chain cover screw finger tight only. The bar must be free to move for tension adjustment. Remove all the slack from the chain by turning the chain tensioning screw clockwise until the chain seats snugly against the bar with the...
Page 24 - GUIdE BAR MAINTENANcE; REVERSING THE GUIdE BAR
Use a Flat File and a Depth Gauge Jointer to lower all gauges uniformly. Depth gauge jointers are available in .00 in. to .035 in. Use a .05 in. depth gauge jointer. After lowering each depth gauge, restore original shape by rounding the front. Be careful not to damage adjoining drive links with the...
Page 25 - TRANSPORTING ANd STORING
5 SAFE-T-TIP ® NOSE GUARd MAINTENANcE See Figures 41 - 42. Tighten the mounting screw of the nose guard as instructed below. These are specially hardened screws. If the screw cannot be installed tightly, replace both the screw and the SAFE-T-TIP ® before further operation. Do not replace with an ord...
Page 26 - TROUBLESHOOTING; CALL us fIRsT; For any questions about operating or maintaining your product,
6 PROBLEM cAUSE SOLUTION Bar and chain running hot and smoking. Motor runs, but chain is not rotating. 1. Check chain tension for over tight condition . Chain oil tank empty. 1. Chain tension too tight.. Check guide bar and chain assembly. 3. Check guide bar and chain for damage. 1. Tension chain. R...
Page 27 - LIMITEd WARRANTY STATEMENT; WARRANTY
7 LIMITEd WARRANTY STATEMENT Techtronic Industries North America, Inc., warrants to the original retail purchaser that this RYOBI ® brand outdoor product is free from defect in material and workmanship and agrees to repair or replace, at Techtronic Industries North America, Inc.’s, discretion, any d...
Page 28 - OPERATOR’S MANUAL; 8 VOLT cHAIN SAW; TEcHTRONIc INdUSTRIES NORTH AMERIcA, INc.; PARTS AND SERVICE; • MODEL NUMBER; HOW TO OBTAIN REPLACEMENT PARTS:; Replacement parts can be purchased online at; HOW TO LOCATE AN AUTHORIZED SERVICE CENTER:; Authorized Service Centers can be located online at; HOW TO OBTAIN CUSTOMER OR TECHNICAL SUPPORT:
983000-538 -15-08 (REV:06) OPERATOR’S MANUAL 18 VOLT cHAIN SAW P540P540AP540B TEcHTRONIc INdUSTRIES NORTH AMERIcA, INc. 18 Pearman Dairy Road, Anderson, SC 965 Phone 1-800-860-050 www.ryobitools.com RYOBI ® is a registered trademark of Ryobi Limited used under license. • PARTS AND SERVICE Prior to r...