Page 2 - Symbols; KEY TO SYMBOLS
2 – English Symbols Switch off the engine by moving thestop switch to the STOP positionbefore carrying out any checks ormaintenance. Always wear approved protectivegloves. Regular cleaning is required. Visual check. Approved eye protection mustalways be used. KEY TO SYMBOLS Always wear: • Safety hel...
Page 3 - CONTENTS
English – 3 CONTENTS SYMBOL EXPLANATION Symbols ................................................................................. 2 CONTENTS Contents ................................................................................ 3 SAFETY INSTRUCTIONS Personal protective equipment ....................
Page 4 - The machine's safety equipment; SAFETY INSTRUCTIONS
4 – English The machine's safety equipment This section describes the machine's safety equipment, itsfunction and how checks and maintenance are carried out toensure that it operates correctly. (See the chapter "What iswhat" to locate where this equipment is positioned.) Personal protective ...
Page 7 - Saw chain
English – 7 A. Only use cutting equipmentrecommended by us!See the ”Technical data”section. B. Keep the chain cutting teeth properlysharpened! Follow ourinstructions and use therecommended filegauge. A damaged orbadly sharpened chainincreases the risk ofaccidents. C. Maintain the correct raker clear...
Page 8 - Specification of blade and chain; Guide bar
8 – English SAFETY INSTRUCTIONS Sharpening your chain andadjusting raker clearance WARNING! The risk of kickback is increased with abadly sharpened chain! Specification of blade and chain When the cutting equipment supplied with your sawbecomes worn or damaged you will need to replace it. Useonly th...
Page 9 - C. General advice on setting raker; cutting tooth
English – 9 SAFETY INSTRUCTIONS It is very difficult to sharpen achain correctly without theright equipment. We recom-mend you to use a file gauge.This will help you obtain themaximum kickback reductionand cutting performance fromyour chain. C. General advice on setting raker clearance WARNING! The ...
Page 10 - D. Correction of raker clearance; Chain lubrication
10 – English SAFETY INSTRUCTIONS D. Correction of raker clearance Chain lubrication WARNING! A slack chain may jump off and causeserious or even fatal injury. A. Checking • Check the chain lubrication each time thepetrol is replenished. Aim the tip of the saw at alight coloured surfaceabout 20 cm aw...
Page 11 - Checking wear on cutting equipment
English – 11 SAFETY INSTRUCTIONS WARNING! Defective cutting equipment can increasethe risk for accidents. Check regularly the degreeof wear on the drive wheel.Change if it is irregularlyworn. The chain drive wheelshould be changed eachtime the chain is changed. B. Chain drive wheel 1. Check that the...
Page 12 - General safety instructions; Start
12 – English SAFETY INSTRUCTIONS General safety instructions IMPORTANT INFORMATION • The machine is only designed for tree pruning. • The only accessories to be used with theengine unit as a drive source are the cuttingunits we recommend. • Never use the machine if you are tired, if youhave consumed...
Page 13 - Transport and storage; General working instructions
English – 13 SAFETY INSTRUCTIONS 2. Avoid usage in un-favourable weather conditions. For example, thick fog, heavy rain, strong winds or extremecold, etc. To work in bad weather conditions is tiring andcan create dangerous circumstances, e.g. slippery surfaces. 3. Make sure you can walk and stand sa...
Page 14 - Basic clearing techniques
14 – English SAFETY INSTRUCTIONS Basic clearing techniques • Always work with the engine at full throttle. • Always drop to idling speed after each working operation. Longer periods running at full throttle without loading theengine can lead to serious engine damage. WARNING! Never stand immediately...
Page 16 - ASSEMBLY; Adapter
16 – English ASSEMBLY WARNING! The cutting equipment of the pruning sawmay under no circumstances be connectedto another type of hydraulic pump thanwhat it is constructed for. Assembly ofthrottle handle Snap the throttle handleonto the shaft.The throttle handle can bemoved forwards orbackwards to ob...
Page 17 - FUEL HANDLING; Fuel mix; Mixing; Fuelling
English – 17 FUEL HANDLING Fuel mix Mixing • Always mix the petrol and oil in a clean container intended for fuel. • Always start by filling half the amount of petrol to be used. Then add the entire amount of oil. Mix (shake) the fuelmixture. Add the remaining amount of petrol. • Mix (shake) the fue...
Page 18 - FUEL HANDLING – START AND STOP; Start and stop; Cold engine; Hydraulic oil
18 – English FUEL HANDLING – START AND STOP Start and stop • Clean around the fuel cap. Contamination in thetank can disrupt opera-tions. • Ensure that the fuel is well mixed by shaking thecontainer before filling thetank. Cold engine IGNITION:Set the stop switch in startposition. CHOKE: Set the cho...
Page 19 - START AND STOP
English – 19 START AND STOP Fitting theharness • Put on the harness with engine unit. • Press together the hip belt’s snap lock. • Tension the hip belt so that it rests on the hips. • Tension both shoulder belts so that the harnesspresses to the back. Quick release incase of hazard • Pull out the re...
Page 20 - MAINTENANCE; Carburettor
20 – English MAINTENANCE WARNING! Contact your servicing dealer, if the idlespeed setting cannot be adjusted. Do notuse the pruner until it has been properlyadjusted or repaired. ! Fine adjustment • When the tree pruner is ”run in” the carburettor should be fine adjusted. Fine adjustment should be c...
Page 21 - Air filter; Spark plug; Muffler; Correctly adjusted carburettor
English – 21 MAINTENANCE Air filter The air filters must be regularly cleaned from dust and dirt inorder to avoid: • Carburettor malfunctions • Starting problems • Engine power reduction • Unnecessary wear on the engine parts • Abnormal fuel consumption If the engine is low on power, difficult to st...
Page 22 - Cooling system; Daily maintenance; Adjustment of the ball joint
22 – English MAINTENANCE Cooling system To maintain as low anoperating temperature aspossible the engine isequipped with a coolingsystem. The cooling system consitsof: 1. An air intake on the starter unit. 2. Fins on the flywheel. Maintenance schedule Below follows some general maintenance instructi...
Page 24 - TECHNICAL DATA; Technical data
24 – English TECHNICAL DATA Vibration levels Equivalent sound pressure levelas per ISO 7505 max. output speed,unloaded engine. Left (shaft) idling/max. output speed, m/s 2 1,0/1,9 Right (throttle handle) idling/max.output speed, m/s 2 1,0/2,1 Technical data Engine Cylinder capacity, cm 3 48,7 Cylind...
Page 25 - Bar and chain combinations
English – 25 TECHNICAL DATA Type Inch Inch/mm Inch/mm Angle Angle Angle Inch/mm Inch/cm: dl 90 SG 3/8" 0,028"/1,1 5/32" /4,0 85° 30° 0° 0,025"/0,65 10"/25:40 12"/30:45 15 L Bar and chain combinations The following combinations are CE approved. Bar Chain Length, Pitch, Max. no...
Page 26 - EU declaration of conformity
26 – English ´+HÆh¶6v¨ EU declaration of conformity (Only applies to Europe) (Directive 89/392/EEC, Annex II, A) We, Husqvarna AB, S-561 82 Huskvarna, Sweden, tel. +46 36-146500, declare under sole responsibility that thepruner Husqvarna 250PS from the serial numbers of 1997 and onwards (the year is...
