Husqvarna SMB 70, SMB 70 E manual Maintenance, Dismantling

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MAINTENANCE

Bandsaw Blade

!WARNING!

The bandsaw blade is sharp and can cause cuts. Warning for personal injury. Wear protective gloves whenever you handle the bandsaw blade.

The bandsaw blade should be set and sharpened regularly to give optimal performance. During normal sawing of most species of wood this should be done at intervals of approx. 2 hours of effective cutting time. Effective cutting time refers to only the time that the bandsaw blade actually works. The bandsaw blade should be sharpened more frequently when cutting those species of wood with a high sand content. For blade sharpening, see the separate instructions for the Grindlux bandsaw blade grinder.

Dismantling

Dismantle the bandsaw blade as follows:

1.Remove the guards over the band wheels. See page 21.

2.Loosen the right-hand band wheel by cranking about 10 turns counter-clockwise.

3.Carefully remove the bandsaw blade.

Cleaning and inspection

Clean sawdust and any coating from the bandsaw blade. Now check whether there are any cracks

(A)in the gullets. Small cracks can be ground

away when sharpening the bandsaw blade. If the cracks are so large that they cannot be ground away, the bandsaw blade should be discarded. Cracks in the gullets are the most common cause of bandsaw blade breakage. The bandsaw blade can be ground to a minimum width of 24 mm. See FIG. 54. A new bandsaw blade is 32 mm wide. The bandsaw blade should be discarded once any part of it reaches the minimum width.

!WARNING!

Never use a damaged bandsaw blade.

Setting the Saw

The bandsaw blade’s teeth should be set to the dimensions shown in the adjoining figure. Every third tooth should remain unset. The teeth should be set as follows:

B=Set to the right, 0.4-0.5 mm. C=Set to the left, 0.4-0.5 mm D=Not set.

The more accurate the set is made, the straighter and smoother the bandsaw blade runs when cutting the log. The bandsaw blade should be set, at a minimum, after every third sharpening.

FIG. 54

min. 24 mm

FIG. 55

30 – English

Image 30
Contents SMB SMB 70 E Table of Contents Introduction IntroductionKEY to Symbols SymbolsSafety Regulations Safety RegulationsPersonal Protective Equipment Safety During Use One-man Sawmill Safety EquipmentFuel Safety PersonnelDescription One-man Sawmill Petrol EngineTools and operator’s manual One-man Sawmill Electric Motor Description Height Setting FIG Carriage FIGFrame and FIG Band Wheels FIG Cleaning Tank FIGHandlebars FIG Bandsaw and Band Guide FIGLog Bolsters a Height Adjustment BRails Folding Stops CAdjustable Support Feet Rail StopRail Guard Safety Devices Installation Site InstallationInstallation UnpackingSetting up the Saw Carriage Saw CarriageAssembling the Saw Carriage Saw Carriage Adjustment Band Cleaning Tank FIG Petrol Engine Wire adjustmentPropulsion Electric MotorBandsaw Blade Scale FIG Petrol Fuel HandlingFuel FuellingStopping a Petrol Engine Starting and StoppingStarting a Cold Petrol Engine Starting a Warm Petrol EngineStarting the Electric Sawmill Starting the Electric MotorStopping the Electric Motor USE Securing the LogCalculating the Yield SawingStarting the Petrol Engine Edging Maintenance DismantlingMaintenance Maintenance Band Wheel Adjustment Drive Belt FIGSaw Unit’s Height Adjustment Checking the Braking FunctionMaintenance Daily MaintenanceTechnical Data Petrol EngineEC Declaration of Conformity Only applies to Europe Noise Levels38 ´z+H66¶6R¨ English ´z+H66¶6R¨