Jonsered 625, 670, 630 manual Checking chain lubrication, Lubricating the clutch drum bearing

Page 15

SAFETY INSTRUCTIONS

C Checking chain lubrication

• Check the chain lubrication each time you refuel.

Aim the tip of the saw at a light coloured surface about 20 cm away. After 1 minute running at 3/4 throttle you should see a distinct line of oil on the light surface.

If the chain lubrication is not working:

E Lubricating the clutch drum bearing

Between the engine drive shaft and the clutch drum is a needle bearing that must be lubricated daily. Use the specially designed grease gun and a good quality

bearing grease.

FChecking wear on cutting equipment

Saw chain

1Check that the oil channel in the bar is not obstructed. Clean if necessary.

2 Check that the groove in the edge of the bar is clean. Clean if necessary.

3 Check that the bar tip sprocket turns freely and that the lubricating hole in the tip is not blocked. Clean and lubricate if necessary.

Check the saw chain daily for:

Visible cracks in rivets and links.

Whether the chain is stiff.

Whether rivets and links are badly worn.

We recommend you compare the existing chain with a new chain to decide how badly it is worn.

When the length of the cutting teeth has worn down to only 4 mm the chain must be replaced.

min 4 mm

(0,16")

If the chain lubrication system is still not working after carrying out the above measures you should contact your service agent.

D Lubricating the bar tip sprocket

• Lubricate the bar tip sprocket each time you refuel. Use the special grease gun and a good quality bearing grease.

G Chain drive sprocket

The clutch drum is fitted with one of the following drive sprockets:

ASPUR (integral drive sprocket)

B RING (replaceable)

A

Regularly check the

 

degree of wear on the

B

drive sprocket. Replace if

wear is excessive.

 

Replace the drive sprocket whenever you replace the chain.

English – 15

Image 15
Contents Operator´s manual KEY to Symbols Symbols on the chain sawSymbols in the operator’s manual Contents Personal Protective Equipment Safety InstructionsChain brake and front hand guard Throttle lock Chain catcherRight hand guard Stop switch Vibration damping systemMuffler Checking the brake trigger Checking brake band wearChecking the front hand guard Checking the automatic brakeThrottle lock 5 basic rules Cutting EquipmentSome terms that describe the bar and chain Cutting equipment designed to minimise kickbackBar Saw chainSharpening your chain and adjusting raker clearance General information on sharpening cutting teethSharpening cutting teeth General advice on setting raker clearance Setting the raker clearanceTensioning the chain Never use waste oil Lubricating cutting equipmentChain oil Filling with chain oilLubricating the bar tip sprocket Checking chain lubricationLubricating the clutch drum bearing Checking wear on cutting equipmentWhat is kickback? HOW to Avoid KickbackGeneral rules Do not let go of the handlesNever use the saw one- handed Engine, chain lubrication oil mist and/or Min m10 ft Prolonged inhalation of exhaust gases fromGeneral Working Instructions Basic safety rulesCutting Basic cutting techniqueGeneral TermsFelling direction Tree felling techniqueSafe distance LimbingFelling Clearing the trunk and preparing your retreatFreeing a Trapped tree General adviceFreeing a tree that has fallen badly = high accident risk Cutting the trunk into logsWhat is what? What is WHAT?Assembly Mounting guide bar and chainFitting a spike bumper Fuel Handling FuelmixChain oil Fuelling Start and stop Start and StopCarburettor MaintenanceTensioning the recoil spring Starter device assemblyStarter device Changing a broken or worn starter cordSpark plug Needle bearing maintenanceAir filter SilencerTemperature -5C or colder Cooling systemWinter use Monthly maintenance Weekly maintenance Daily maintenanceTechnical Data 625 630 670Bar and chain combinations Page 108 87

630, 670, 625 specifications

The Jonsered 625, 670, and 630 chainsaws represent a robust line of products designed specifically for both professional and amateur users who require reliability, power, and efficiency in their cutting tasks. These models are a testament to Jonsered's commitment to innovation and performance in the forestry and outdoor equipment sector.

The Jonsered 625 features a compact design, making it ideal for users who need a lightweight tool for trimming, pruning, or cutting smaller trees. This model is equipped with a powerful engine that delivers an impressive power-to-weight ratio, enabling users to handle tough jobs without feeling fatigued. One of the standout features of the 625 is its ergonomic design, including a comfortable handle and optimized balance, which significantly reduces operator strain during extended use.

Meanwhile, the Jonsered 670 is tailored for those who need a bit more power and capacity. It is versatile enough to handle medium-sized cutting tasks as well as heavy-duty use. This model is designed with advanced vibration dampening technology, minimizing vibrations transferred to the user's hands, thus enhancing comfort and precision. The 670 also incorporates the Easy Start system, which makes starting the saw simple, even after long periods of inactivity.

The Jonsered 630 stands at the higher end of this trio, aimed at professional users who demand peak performance. With an increased engine size and enhanced cutting speed, the 630 can tackle larger trees and tougher materials with ease. This model features a high-performance air filtration system that ensures the engine remains clean and runs efficiently. Additionally, the 630 incorporates a centrifugal air cleaning system that prolongs service intervals and reduces maintenance needs.

All three models come equipped with cutting-edge technologies such as the X-Torq engine, which lowers fuel consumption and exhaust emissions, making them environmentally friendly options in today's market. These chainsaws incorporate safety features like chain brakes and low kickback chains, ensuring user safety during operation.

In summary, the Jonsered 625, 670, and 630 chainsaws each offer distinct advantages catering to various user needs, from homeowners tackling light-duty tasks to professionals requiring robust, high-performance machinery. The blend of technology, ergonomic design, and safety ensures that Jonsered continues to be a trusted name in outdoor power equipment. These chainsaws not only deliver superior cutting performance but also provide a seamless user experience.