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Husqvarna 545 Operation Manual - Page 39

Guide bar and chain combinations, Saw chain ﬁling and ﬁle gauges

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TECHNICAL DATA Guide bar and chain combinations The following cutting attachments are approved for the models Husqvarna 545, 545 TrioBrake, 550XP, 550XP TrioBrake, 550XPG and 550XPG TrioBrake. Length, inch 13 15 16 18 13 15 16 18 20 Guide bar Pitch, inch Gauge, mm 0,325 1,3 0,325 1,5 Max. nose radius 10T 10T 12T Saw chain Type Length, drive links (no.) 56 64 Husqvarna H30 66 72 56 64 Husqvarna H25 66 72 80 Saw chain ﬁling and ﬁle gauges English - 39

Section	Page
Symbols on the machine:	2
Symbols in the operator’s manual:	3
Contents	4
Dear Customer,	5
Before using a new chain saw	7
Important	7
Always use common sense	8
Personal protective equipment	8
Machine¢s safety equipment	8
Chain brake and front hand guard	8
Will my hand always activate the chain brake during a kickback?	10
Will my inertia activated chain brake always activate during kickback in the event of a kickback?	10
Will my chain brake always protect me from injury in the event of a kickback?	10
Throttle lockout	10
Chain catcher	10
Right hand guard	10
Vibration damping system	10
Stop switch	11
Muffler	11
Cutting equipment	11
General rules	11
Cutting equipment designed to reduce kickback	12
Sharpening your chain and adjusting depth gauge setting	13
Tensioning the chain	14
Lubricating cutting equipment	14
Fitting the bar and chain	17
Fitting a spike bumper	17
Fuel	18
Petrol	18
Two-stroke oil	18
Mixing	18
Chain oil	18
Fueling	19
Fuel safety	19
Transport and storage	19
Long-term storage	19
Starting and stopping	20
Starting	20
Before use:	22
General working instructions	22
Basic safety rules	22
General rules	22
Basic cutting technique	24
Tree felling technique	25
Freeing a tree that has fallen badly	27
How to avoid kickback	28
What is kickback?	28
General	29
Carburettor adjustment	29
AutoTune	29
Function	29
Engine adjustment	29
Conditions	29
Checking, maintaining and servicing chain saw safety equipment	29
Chain brake and front hand guard	29
Throttle lockout	30
Chain catcher	31
Right hand guard	31
Vibration damping system	31
Stop switch	31
Muffler	31
Starter	32
Changing a broken or worn starter cord	32
Tensioning the recoil spring	32
Changing a broken recoil spring	33
Fitting the starter	33
Air filter	33
Spark plug	33
Lubricating the bar tip sprocket	34
Needle bearing lubrication	34
Adjustment of the oil pump.	34
Cooling system	34
”Air Injection” centrifugal cleaning	35
Winter use	35
Temperature 0°C or colder:	35
Heated handles	35
Electrical carburettor heating	35
Maintenance schedule	36
Technical data	37
Guide bar and chain combinations	39
Saw chain filing and file gauges	39
EC-declaration of conformity	40