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Stihl KW 85, Instruction Manual

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Stihl KW 85 Instruction Manual Download Page 21

20

english / USA

KW 85

Dirty air filters reduce engine power 
increase fuel consumption and make 
starting more difficult.

If there is a noticeable loss of engine 
power

:

Move choke lever to 

g

:

Press in the tab

 (1)

.

:

Ease the filter cover 

(2)

 over the tab 

and take it away.

:

Clean away loose dirt from around 
the filter.

:

Remove the foam and felt filter 
elements.

:

Wash the foam element in a clean, 
non-flammable cleaning solution 
(e.g. warm soapy water) and then 
dry.

:

Fit new felt element. 
As a temporary measure you can 
knock it out on the palm of your 
hand or blow it out with compressed 
air. 

Do not

 wash.

Replace damaged parts.

:

Install the foam element 

(3) 

in the 

filter cover 

(2)

.

:

Place felt element 

(4) 

(lettering 

facing inward) in filter housing 

(5)

.

:

Fit filter cover so that it snaps into 
position.

Cleaning the Air Filter

355BA014

2

3

355BA031 KN

4

5

355BA032 KN

Summary of Contents for KW 85

Page 1: ...STIHL KW 85 Instruction Manual Owner s Manual Assembling Safety Precautions Operating Instructions Maintenance III D ...

Page 2: ...ral and California Emission Control Warranty Statement 36 Quality Certification 38 Allow only persons who understand this Manual to operate your PowerSweep To receive maximum performance and satisfaction from your STIHL PowerSweep it is important that you read and understand the maintenance and safety precautions starting on page 3 before using your PowerSweep Contact your STIHL dealer or the STIH...

Page 3: ...serious damage to property Warning where there is a risk of damaging the power tool or individual components Note or hint which is not essential for using the power tool but may improve the operator s under standing of the situation and result in better use of the power tool Note or hint on correct procedure in order to avoid damage to the environment Equipment and features This instruction manual...

Page 4: ... of your model PowerSweep Safe use of a PowerSweep involves 1 the operator 2 the PowerSweep 3 the use of the PowerSweep THE OPERATOR Physical Condition You must be in good physical condition and mental health and not under the influence of any substance drugs alcohol etc which might impair vision dexterity or judgment Do not operate a PowerSweep when you are fatigued Be alert if you get tired whil...

Page 5: ...terfere with some pacemakers To reduce the risk of serious or fatal injury persons with pacemaker should consult their physician and the pacemaker manufacturer before operating this tool Proper Clothing Warning To reduce the risk of injury the operator should wear proper protective apparel Never operate a PowerSweep unless wearing goggles or properly fitted safety glasses with adequate top and sid...

Page 6: ...sweeper drums rubber sleeve and harness The throttle trigger must move freely and always spring back to the idle position The sweeper must be properly tightened and in safe operating condition Both sweeper belts must be mounted The rubber sleeve on the end of the drive tube must be in good condition Do not operate your PowerSweep with damaged sweeper drums or rubber sleeve Inspect for loose parts ...

Page 7: ... of injury from thrown objects or contact with the sweeper belts do not allow any other person within a radius of 5 m 15 f of your own position Stop the engine immediately if you are approached Start and operate your PowerSweep without assistance For specific starting instructions see the appropriate section of your manual Place the PowerSweep on firm ground or other solid surface in an open area ...

Page 8: ... for instance have published lists of substances known to cause cancer reproductive toxicity etc Control dust and fumes at the source where possible In this regard use good work practices and follow the recommendations of OSHA NIOSH and occupational and trade associations When the inhalation of toxic dust and fumes cannot be eliminated the operator and any bystanders should always wear a respirato...

Page 9: ...e PowerSweep may be more difficult to control Do not operate the PowerSweep using the starting throttle lock as you do not have control of the engine speed See section of your owner s manual on the proper use of the slide control If the sweeper belts become clogged or stuck always turn off the engine and make sure the sweeper belts have stopped before cleaning Important adjustments Warning To redu...

Page 10: ... fire Warning To reduce the risk of fire and burn injury use only spark plugs authorized by STIHL Always press spark plug boot snugly onto spark plug boot of the proper size Note If boot has detachable SAE adapter nut it must be attached A loose connection between spark plug boot and ignition wire connector in the boot may create arcing that could ignite combustible fumes and cause a fire Keep spa...

Page 11: ...the carrying eye Tighten down the screw see Guide to Using this Manual Place liner in loop handle as shown Fit the loop handle 1 on the drive tube approx 8 in 20cm A forward of the control handle 2 Slide spacer 3 into loop handle as far as stop Insert screw 4 in loop handle and through spacer until the hexagon head engages the socket in the loop handle Fit washer 5 and wingnut 6 and tighten down f...

Page 12: ...tube in the area of the clamp Slide the gearbox 2 onto the drive tube 3 turn the gearbox back and forth at the same time until the end of the tube is no longer visible in the slot arrow Push gearbox on as far as stop Sleeve on gearbox Release the clamp screw 1 Degrease the drive tube in the area of the clamp Slide the gearbox with sleeve 2 onto the drive tube 3 turn the gearbox back and forth at t...

Page 13: ...he clamp screw Fit grass shield 1 on end of axle 2 and press home as far as stop Push axle 2 onto the output shaft 3 Insert pin 4 through axle and output shaft Secure pin with cotter pin 5 Push sweeper drum assembly 6 onto the axle 2 note the installed position see illustration 5 226BA006 KN 4 5 Mounting Sweeper Drums 1 223BA007 KN 2 2 223BA008 KN 3 4 5 223BA009 KN 6 2 ...

Page 14: ...nes etc but magnesium castings as well This could cause running problems or even damage the engine For this reason it is essential that you use only name branded fuels Use only STIHL two stroke engine oil or equivalent branded two stroke air cooled engine oils with the classification TC for mixing We recommend STIHL 50 1 two stroke engine oil since it is specially formulated for use in STIHL engin...

Page 15: ...por and fumes remove the fuel filler cap carefully so as to allow any pressure build up in the tank to release slowly After fueling tighten fuel cap as securely as possible by hand Change the fuel pick up body every year Before storing your machine for a long period drain and clean the fuel tank and run engine until carburetor is dry Attach the spring hook 1 to the clamp 2 see Guide to Using this ...

Page 16: ...tion 5 idle position and stop 6 to stop engine move slide control in direction of c 7 Starting Hold down the throttle trigger interlock and squeeze the throttle trigger While holding both levers in this position move the slide control to START and hold it there Now release the throttle trigger slide control and throttle trigger interlock in that order This is the starting throttle poistion 3 223BA...

Page 17: ...ate when the engine starts this may set the PowerSweep in motion Do not stand or kneel on the drive tube Pull the starter grip slowly with your right hand until you feel it engage and then give it a brisk strong pull Do not pull out the starter rope all the way it might otherwise break Do not let the starter grip snap back Guide it slowly back into the housing so that the starter rope can rewind p...

Page 18: ... does not start If you did not move the choke lever to e quickly enough after the engine began to fire the combustion chamber is flooded Move choke lever to e Set slide control interlock lever and throttle trigger to starting throttle position Crank the engine pull the starter rope briskly 10 to 20 pulls may be necessary If the engine still does not start Move the slide control in direction of c t...

Page 19: ... dry place Check tightness of nuts and screws not adjusting screws at regular intervals and retighten as necessary Use the PowerSweep for sweeping sand stones gravel leaves and snow on grass concrete or asphalt and removing standing water from solid surfaces To reduce risk of accidents or injury remove all obstacles and objects from the work area If the work area is very dry spray it with water if...

Page 20: ...erSweep over Sweepings are thrown back toward the operator For this reason Run the PowerSweep at a low throttle setting only The PowerSweep pulls the operator forward Debris thrown back toward the operator may affect footing Press down bar 1 on spring hook 2 Pull the clamp 3 out of the spring hook see chapter Special Accessories 223BA027 KN 1 223BA028 KN 223BA029 KN Disconnecting Machine from Harn...

Page 21: ... foam and felt filter elements Wash the foam element in a clean non flammable cleaning solution e g warm soapy water and then dry Fit new felt element As a temporary measure you can knock it out on the palm of your hand or blow it out with compressed air Do not wash Replace damaged parts Install the foam element 3 in the filter cover 2 Place felt element 4 lettering facing inward in filter housing...

Page 22: ...air mixture under all operating conditions see chapter Key to Symbols Standard setting Mount the sweeper drum assemblies Check spark arresting screen and clean or replace as necessary Check the air filter and replace as necessary Carefully screw the idle speed screw LD down onto its seat counterclockwise left hand thread Then open it two full turns clockwise standard setting see chapter Key to Sym...

Page 23: ...re under most operating conditions With this carburetor it is only possible to adjust the engine idle speed within fine limits Standard Setting Mount the sweeper drum assembly and make sure it is in good condition Check spark arresting screen and clean or replace as necessary Check the air filter and replace if necessary Turn high speed screw H counterclockwise max 3 4 turn as far as stop Carefull...

Page 24: ... Speed It is usually necessary to change the setting of the idle speed screw LA after every correction to the low speed screw L Warm up engine Engine stops while idling Turn idle speed screw LA slowly clockwise until the engine runs smoothly sweeper drum must not rotate Sweeper drum rotates when engine is idling Turn idle speed screw LA slowly counterclockwise until sweeper drum stops rotating and...

Page 25: ... necessary Use only resistor type spark plugs of the approved range Rectify problems which have caused fouling of spark plug Too much oil in fuel mix Dirty air filter Unfavorable running conditions Fit a new spark plug after approx 100 operating hours or earlier if the electrodes are badly eroded To reduce the risk of fire and burn injury use only spark plugs authorized by STIHL Always press spark...

Page 26: ...oval The rubber sleeve protects the drive tube from wear caused by contact with the sweeper belts It is fitted on either the drive tube or the gearbox A worn sleeve must be replaced as follows Remove the gearbox see Removing the Gearbox Sleeve on drive tube Remove the worn sleeve from the drive tube Cut it open with a knife if necessary Sleeve on gearbox Pull the worn sleeve off the gearbox Push n...

Page 27: ...r drum 6 onto the axle 2 Fit new cotter pin 7 in end of axle 2 and bend over the ends 8 of the cotter pin as shown Repeat the procedure on the other side Always replace sweeper drum assemblies in pairs Take out the screws 1 Remove the cable lug Lift the starter cover 2 away from the tank 3 and pull it out from under the shroud 4 Replacing Sweeper Drum 223BA022 KN 223BA009 KN 6 2 8 8 7 223BA010 KN ...

Page 28: ...rip Tie a simple overhand knot in the end of the new starter rope and then thread the rope through the top of the grip and the rope bush 7 Refit the cap in the grip Pull the rope through the rotor and secure it with a simple overhand knot Coat rope rotor bearing bore with non resinous oil Slide rotor onto starter post turn it back and forth until the rewind spring anchor loop 8 engages Insert scre...

Page 29: ... spring has popped out Refit it in the counterclockwise direction starting outside and working inward Install the rope rotor Check dimension a on inner spring loop and bend it to size if necessary Go to Tensioning the rewind spring Tensioning the rewind spring Make a loop in the unwound starter rope and use it to turn the rope rotor six full revolutions counterclockwise Hold the rotor steady strai...

Page 30: ...the rotor Fit the starter cover To do this push the upper mounting boss under the shroud line up the tank and push lower part of cover onto the tank Insert and tighten down the housing screws Secure cable lug in position If the engine is low on power check the spark arresting screen in the muffler Lift spark arresting screen and pull it out sideways Clean spark arresting screen if necessary If scr...

Page 31: ... or longer Drain and clean the fuel tank in a well ventilated area Run engine until carburetor is dry this helps prevent carburetor diaphragms sticking together Remove and clean the sweeper drums inspect belts for damage or wear Thoroughly clean the machine pay special attention to the cylinder fins and air filter Store the machine in a dry high or locked location out of the reach of children and ...

Page 32: ...tion condition leaks X X Clean X Control handle Check operation X X Air filter Clean X X Replace X Filter in fuel tank Check X Replace X X Fuel tank Clean X X Carburetor Check idle adjustment sweeper belts must not rotate X X Readjust idle X Spark plug Readjust electrode gap X Colling air intakes Inspect X Clean X Spark arresting screen in muffler Inspect X X Clean or replace X X All accessible sc...

Page 33: ...32 english USA KW 85 ...

Page 34: ...hine support 10 Fuel tank 11 Fuel filler cap 12 Starter grip 13 Fuel pump primer bulb 14 Choke lever 15 Carburetor adjusting screw 16 Muffler with spark arresting screen in some markets 17 Shaft 18 Sleeve shaft protector 19 Sweeper drum assembly 20 Axle 21 Gearbox Parts and Controls 223BA019 KN 4 1 5 6 7 8 9 2 3 11 10 12 13 14 15 16 223BA020 KN 19 223BA021 KN 17 21 20 18 ...

Page 35: ...r resting machine on the ground 10 Fuel tank For fuel and oil mixture 11 Fuel filler cap For closing the fuel tank 12 Starter grip The grip of the pull starter which is the device to start the engine 13 Fuel pump primer bulb Provides manual fuel feed for a cold start 14 Choke lever Eases cold engine starting by enriching mixture 15 Carburetor adjusting screw For tuning carburetor 16 Muffler with s...

Page 36: ...ax drum speed approx 200rpm Specifications Type Electronic magneto ignition Spark plug suppressed Bosch WSR 6 F NGK BPMR 7 A or Champion RCJ 6Y Electrode gap 0 02in 0 5mm Spark plug thread M 14 x 1 25 0 37in 9 5mm long Carburetor All position diaphragm carburetor with integral fuel pump Air filter Foam and felt elements Fuel tank capacity 15fl oz 0 44 l Fuel mix see Fuel without drum assemblies 19...

Page 37: ...r Warranty claims following repairs can be accepted only if the repair has been performed by an authorized STIHL dealer using original STIHL replacement parts Original STlHL parts can be identified by the STIHL part number the STIHl STIHl STIHl STIHl logo and the STlHL parts symbol The symbol may appear alone on small parts 2 8oz 80g tube 0781 120 1109 8oz 225g tube 0781 120 1110 Special Accessori...

Page 38: ...rporated free of charge Owner s Warranty Responsibilities As the small off road equipment engine owner you are responsible for the per formance of the required maintenance listed in your owner s manual STIHL Incorporated recommends that you retain all receipts covering maintenance on your small off road equipment engine but STIHL Incorporated cannot deny warranty solely for the lack of receipts or...

Page 39: ...Any manufacturer approved or equivalent replacement part may be used for any warranty maintenance or repairs on emission related parts and must be provided without charge to the owner STIHL Incorporated is liable for damages to other engine components caused by the failure of a warranted part still under warranty The California Air Resources Board s Emission Warranty Parts List specifically define...

Page 40: ...ent organization has certified that all products manufactured by STIHL meet the strict requirements of the ISO 9001 standard for quality management systems in terms of product development materials purchasing production assembly documentation and customer service Quality Certification 000BA026 ...

Page 41: ...ARNING The engine exhaust from this product contains chemicals known to the State of California to cause Q 1ncer birth defects or other reproductive harm 0458 223 3021 englisch I english USA I CARB I EPA ...

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