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Read all instructions before operating the electric chain saw for safety.
Detailed steps for attaching the guide bar and chain to the saw.
Step-by-step guide on how to safely start the electric chain saw.
Read all instructions before operating the electric chain saw for safety.
Detailed steps for attaching the guide bar and chain to the saw.
Step-by-step guide on how to safely start the electric chain saw.
This document is the operator's manual for the SUNJOE Electric Chain Saw, model SWJ599E, a 14-inch, 9-amp tool. It provides comprehensive instructions for safe operation, maintenance, and troubleshooting.
The electric chain saw is designed for trimming and pruning tree limbs and branches, as well as cutting smaller logs up to 10 inches (25 cm) thick. It is intended for residential and personal household use only. The saw features an automatic oil pump for bar and chain oiling, ensuring continuous lubrication during operation. It is double-insulated, eliminating the need for a separate grounding system.
The manual emphasizes safety as paramount, beginning with general safety warnings applicable to all electric yard tools. Users are instructed to keep guards in place, remove adjusting keys and wrenches before operation, and maintain a clean and well-lit work area. It warns against using the saw in dangerous conditions such as rain, storms, or wet locations, and explicitly states not to operate it in gaseous or explosive atmospheres.
Personal protective equipment is highlighted, recommending safety glasses, ear defenders, face or dust masks, heavy-duty rubber gloves, substantial non-skid footwear, and close-fitting clothing. Users are advised to wear protective hair coverings for long hair. The manual stresses the importance of proper footing and balance, and to avoid overreaching.
For electrical safety, it recommends using a Ground Fault Circuit Interrupter (GFCI) protected circuit and ensuring the mains voltage matches the unit's rating. Only UL-, CSA-, or ETL-rated extension cords suitable for outdoor, all-weather use should be employed, with specific wire gauge recommendations based on length. The appliance has a polarized plug, and users are instructed on proper connection to polarized extension cords and wall outlets. A method for securing the extension cord to prevent accidental disconnection is also provided.
Chain saw specific safety warnings include keeping all body parts away from the saw chain during operation, holding the saw with both hands (right hand on the rear handle, left hand on the front handle), and wearing appropriate protective gear to mitigate risks from flying debris and accidental contact. It advises against operating the chain saw in a tree or on unstable surfaces like ladders. Extreme caution is urged when cutting limbs under tension due to potential spring back, and when cutting brush and saplings which can catch the chain. When transporting or storing the saw, the chain saw must be switched off, the guide bar cover fitted, and the saw carried by the front handle with the chain away from the body.
The manual details kickback prevention, explaining it as a result of tool misuse or incorrect operating procedures. It occurs when the guide bar tip touches an object or when wood pinches the saw chain. To prevent kickback, users must maintain a firm grip, position their body and arms to resist forces, avoid overreaching and cutting above shoulder height, and use only manufacturer-specified replacement bars and chains.
Before starting the machine, users must perform several checks: ensuring all screws are tightly fastened, the chain is correctly tensioned and sharpened, hand grips and protection devices are clean and securely mounted, and the trigger switch and safety button move freely. The cooling air vents must be clear, and the chain's oil level checked and refilled if necessary with bar and chain oil.
To start the saw, the safety lock button must be pushed and held while squeezing the trigger. To turn it off, the trigger switch is released. Operating tips include not forcing the tool, allowing the chain to accelerate to full speed before cutting, and maintaining a steady speed during cuts.
Basic cutting procedures are outlined, including proper cutting stance with balanced weight and a "straight arm" position to withstand kickback. For small trees, a single cut is usually sufficient, with notch cuts determining the fall direction. The manual provides detailed instructions for felling a tree, including planning an escape path, considering natural lean and wind direction, and making a notching undercut and felling back cut. It warns against felling trees in high wind or heavy precipitation, or those with extreme lean or rotten limbs. Limbing a tree involves removing branches from a fallen tree, starting with smaller limbs and cutting branches under tension from the bottom up. Bucking a log (cutting into lengths) requires firm footing and supporting the log. It describes overbucking (cutting from the top) and underbucking (cutting from the underside) techniques, and how to use the spiked bumper as a pivot.
The manual provides instructions for installing and replacing the guide bar and chain. It requires the use of a dual-tipped hex key wrench/blade screwdriver and heavy-duty work gloves. The chain must be laid out correctly with the sharp side of the teeth facing away from the user and in the direction of rotation. Proper chain tensioning is crucial for safety and efficiency, with instructions on how to adjust the chain tensioner screw. The manual advises checking chain tension frequently, especially during the initial period of use or after replacement, as new chains tend to stretch. It specifies that a cold chain is correctly tensioned when there is no slack on the underside of the guide bar, and it can be rotated by hand without binding. For a warm chain, a slight sag of approximately 0.050 inches (1.25 mm) is acceptable.
Regular checks during work include monitoring chain tension and oil delivery. The oil level in the transparent gauge should always be checked, and the tank refilled with bar and chain oil when it drops to 1/4 of a tank.
After finishing work, the motor should be switched off, the unit unplugged, and the chain allowed to stop and cool. Sawdust and oil deposits should be removed from the chain. The cutting bar sheath should be fitted before storage.
Maintenance also covers guide bar care, recommending turning the bar over periodically to distribute wear and smoothing any feathering or burring with a file. The manual lists faults that necessitate guide bar replacement, such as wear inside the rails, bent, cracked, broken, or spread rails. Lubrication holes and the chain groove must be kept free from impurities. The chain sprocket's condition should be checked regularly, and it should be replaced if wear exceeds 0.5 mm.
For motor cooling, users are advised to keep the cooling air vents clean and free of sawdust and debris to prevent overheating.
The manual strongly recommends contacting an authorized Snow Joe® + Sun Joe® dealer or customer service for any maintenance operations not covered in the manual, emphasizing that unauthorized service will invalidate the warranty. It stresses the importance of using only original replacement parts to maintain efficiency and safety.
Troubleshooting guidance is provided for common issues such as the motor not starting, the bar and chain running hot and smoking, the motor running but the chain not rotating, poor cutting performance, the chain jumping off the guide bar, and the chain working with difficulty. For each fault, possible causes and remedies are listed, such as checking cord connections, adjusting chain tension, filling the oil tank, reversing the chain if installed backward, replacing damaged parts, sharpening the chain, and checking chain orientation.
General| Type | Electric Chainsaw |
|---|---|
| Bar Length | 14 inches |
| Chain Speed | 28.5 ft/s |
| Weight | 7.7 lbs |
| Automatic Oiler | Yes |
| Power Source | Corded Electric |
| Voltage | 120V |
| Tool-Free Chain Tensioning | Yes |
