Husqvarna 354XP, 257, 262XP manual Technical Data, 254XP 257, Bar and chain combinations

Page 34

TECHNICAL DATA

254XP

257

254XP 257

Engine

 

 

Cylinder volume, cu.in/cm3

3,3/54

3,4/57

Cylinder bore, inch/mm

1,77/45

1,81/46

Stroke, inch/mm

1,34/34

1,34/34

Idle speed, rpm

2.700

2.700

Recommended max.

 

 

speed, unloaded, rpm

13.800

13.800

Power, kW

2,9/9.300

2,7/9.000

Ignition system

 

 

Manufacture

Electrolux

Ducati

Noise levels

Equivalent (see note 1) noise pressure level at operator’s ear, measured according to relevant international standards, dB(A).

Equivalent (see note) noise power level, measured according to relevant interna- tional standards, dB(A).

10099,5

108109

Type of ignition system

ET

ET

Spark plug

Champion

Champion

Electrode gap, inch/mm

RCJ 7Y

RCJ 7Y

.012/0,5

.012/0,5

Fuel and lubrication

 

 

Vibration levels

(See note 2)

3,0

3,5

Front handle m/s2

Rear handle m/s2

4,9

5,8

system

 

 

Manufacturer

Walbro

Walbro

Carburettor type

HDA35B

HDA120

Fuel capacity, US pint/litre

1,2/0,6

1,2/0,6

Oil pump capacity at 8500 rpm,

 

 

ml/min

6,5-13,5

6,5-13,5

Oil capacity, US pint/litre

0,6/0,3

0,6/0,3

Type of oil pump

Automatic

Automatic

Weight

 

 

Without bar and chain, Lbs/kg

11,9/5,4

12,3/5,6

Bar and chain combinations

The following combinations are CE approved.

Chain/bar

Standard bar length, inches/cm Recommended bar lengths, inches/cm

Usable cutting length inches/cm

Chain speed at max. power, m/sec

Pitch, inches

Thickness of drive link, inch/ mm

Number of teeth on drive sprocket

15"/38

15"/38

13"/33–20"/51

13"/33–20"/51

11-19"/

11-19"/

30-49

30-49

17,3

17,3

.325"/ 3/8

.325"/ 3/8

.058/1,5

.058/1,5

7

7

 

Bar

 

 

 

 

Chain

Length,

Pitch,

Max.

 

inches

inches

tip radius

 

 

 

 

 

 

 

 

13

.325

10T

Husqvarna H25

15

.325

10T

Husqvarna H25

16

.325

10T

Husqvarna H25

18

.325

10T

Husqvarna H25

 

 

 

 

 

 

 

13

.325

10T

Husqvarna H21

15

.325

10T

Husqvarna H21

16

.325

10T

Husqvarna H21

18

.325

10T

Husqvarna H21

 

 

 

 

 

 

 

16

3/8

11T

Husqvarna H42

18

3/8

11T

Husqvarna H42

20

3/8

11T

Husqvarna H42

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Note 1: Equivalent noise level is, according to ISO 7182 and ISO 9207, calculated as the time-weighted energy total for noise levels under various working conditions with the following time distribution: 1/3 idle, 1/3 full load, 1/3 full speed.

Note 2: Equivalent vibration level is, according to ISO 7505, calculated as the time-weighted energy total for vibration levels under various working conditions with the following time distribution: 1/3 idle, 1/3 full load, 1/3 full speed.

L

1

5

Type

Inch

Inch/mm

Inch/mm

Degree°

Degree°

Degree°

Inch/mm

Inch/cm: dl

H25

.325"

.058"/1,5

3/16" /4,8

85°

30°

10°

.025"/0,65

13"/33:56 15/38:64

H21

 

 

 

 

 

 

 

18/46:72

 

 

 

 

 

 

 

 

 

H42

3/8"

.058"/1,5

7/32" /5,5

60°

25°

10°

.025"/0,65

18"/46:68

 

 

 

 

 

 

 

 

20/50:72

34«*2t@¦6>¬

– English

Image 34
Contents 254XP/257/262XP 101 88Symbols on the chain saw KEY to SymbolsSymbols in the operator’s manual Contents Chain SAW Safety Equipment Safety InstructionsPersonal Protective Equipment Chain brake and front hand guard Chain catcher Throttle lockRight hand guard Vibration damping system Stop switchMuffler Checking the automatic brake Checking brake band wearChecking the front hand guard Checking the brake triggerThrottle lock Cutting Equipment 5 basic rulesSaw chain Cutting equipment designed to minimise kickbackBar Some terms that describe the bar and chainGeneral information on sharpening cutting teeth Sharpening your chain and adjusting raker clearanceSharpening cutting teeth Setting the raker clearance General advice on setting raker clearanceTensioning the chain Filling with chain oil Lubricating cutting equipmentChain oil Never use waste oilChecking wear on cutting equipment Checking chain lubricationLubricating the clutch drum bearing Lubricating the bar tip sprocketHOW to Avoid Kickback What is kickback?Do not let go of the handles General rulesNever use the saw one- handed Min m General Safety Precautions10 ft Basic safety rules General Working InstructionsTerms Basic cutting techniqueGeneral CuttingLimbing Tree felling techniqueSafe distance Felling directionClearing the trunk and preparing your retreat FellingCutting the trunk into logs General adviceFreeing a tree that has fallen badly = high accident risk Freeing a Trapped treeWhat is WHAT? Mounting guide bar and chain AssemblyFitting a spike bumper Fuel Handling FuelmixMin 3 m Fuelling10ft Cold engine Start and StopStart Warm engineMaintenance CarburettorChanging a broken or worn starter cord Starter device assemblyStarter device Tensioning the recoil springAir filter Adjustment of the oil pumpNeedle bearing maintenance Spark plugWinter use Centrifugal cleaning Air InjectionCooling system Heated handlesWeekly maintenance Daily maintenance Monthly maintenance254XP 257 Technical DataBar and chain combinations 262XP Fuel and lubrication

254XP, 257, 262XP, 354XP, 257, 262XP specifications

Husqvarna is a well-respected name in the world of outdoor power equipment, especially when it comes to chainsaws. Among its lineup, the models 254XP, 257, 262XP, and 354XP stand out for their robust performance and innovative technologies, catering to both professional and amateur users.

The Husqvarna 254XP is known for its high power-to-weight ratio, making it a favorite among professionals who require portability without sacrificing performance. It features a 2.3 kW engine, providing ample power for a variety of cutting tasks. The chainsaw is equipped with a robust air injection system that removes larger debris before it reaches the air filter, helping to maintain engine performance and extend service intervals.

Similar to the 254XP, the Husqvarna 257 offers strong performance, but with enhancements tailored for even greater efficiency. It boasts an efficient combustion system, ensuring lower fuel consumption and reduced emissions, making it environmentally friendly. Another standout feature is the LowVib technology, which minimizes vibrations, making it easier for operators to work for extended periods without fatigue.

The Husqvarna 262XP takes a step further in terms of power and efficiency, featuring a 3.2 kW engine. This model is designed for heavy-duty tasks and is appreciated in the logging industry. Its advanced ignition system ensures quick starts and stable operation, even in challenging conditions. The X-Torq engine technology reduces fuel consumption and emissions, making it a green choice for professionals.

The 354XP is engineered for those who require a balance of power and weight. With a cutting capacity that satisfies both casual users and professionals, it delivers 2.9 kW of power. The chainsaw’s design incorporates features like the automatic chain lubrication system, ensuring optimal oil flow to the bar and chain, which prolongs their lifespan.

In terms of ergonomics, all these models come with comfort-grip handles and adjustable oil pumps, allowing for ease of use and control during operation. Their starting mechanisms are user-friendly, often featuring a decompression valve for easier pull starts.

These Husqvarna models exemplify the brand's commitment to merging power, efficiency, and user comfort. Whether tackling small projects or heavy-duty logging, the 254XP, 257, 262XP, and 354XP offer dependable solutions that meet the demands of today’s users.