Husqvarna 445 Rancher Operator's Manual

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445 450 RancherPitch, inch/mm 0.325/8.25 0.325/8.25Thickness of drive links, inch/mm 0.058/1.5, 0.050/1.3 0.058/1.5, 0.050/1.3Type of drive sprocket/number ofteeth Spur/7 Spur/7Saw chain speed at 133% of maxi-mum engine power speed, ft/s / m/s 75.5/23.1 75.5/23.1AccessoriesRecommended cutting equipmentA specific chainsaw model has to be evaluated with thecutting equipment to be recommended and fulfill therequirements in ANSI B175.1-2012 (Internal CombustionEngine-Powered Hand-Held Chainsaws - Safety andEnvironmental Requirements) and Canadian StandardsCSA Z62.1-15 (Chainsaws) and CSA Z62.3-11 (R2016)(Chainsaw kickback).Chainsaw models Husqvarna 445, 450 Rancher met thesafety requirements in ANSI B175.1-2012 and CanadianStandards Association CSA Z62.1-15 (Chainsaws) andCSA Z62.3-11 (R2016) (Chainsaw kickback), whenequipped with the below listed saw chain and guide barcombination(s).Note: Other chainsaw models may not meet thekickback requirements when equipped with the listedguide bar and saw chain combinations.We recommend only to use the listed guide bar and sawchain combinations.Kickback and guide bar nose radiusFor sprocket nose bars the nose radius is specified bythe number of teeth, such as 10T. For solid guide barsthe nose radius is specified by the dimension of thenose radius. For a given guide bar length, you can use aguide bar with smaller nose radius than given.Guide bar Saw chainLength, in Pitch, in Gauge, in Max. nose ra-diusType Low kickback Length, drivelinks (no.)13 0.325 0.050 10T HusqvarnaSP33GHusqvarnaH30Yes 5615 6416 6618 7220 78/80*13 0.325 0.058 10T HusqvarnaH25HusqvarnaS35GYes 5615 6416 6618 7220 12T 78/80*30 1286 - 007 - 21.06.2021