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AS MOTOR Allmaher AS 21 4T B&S, Operator'S Manual

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AS MOTOR Allmaher AS 21 4T B&S Operator'S Manual Download Page 19

19

Maintenance and cleaning

Improper maintenance can make the device unsafe for operation and result in accidents. Regular
maintenance keeps you device ready for use.

Service the device according to the following maintenance instructions.

Contact an authorised service centre if problems during maintenance occur or if you determine de-
ficiencies during one of the following inspections.

Component

Action

Maintenance
interval

A

B

Device

Check for safe working condition (basic inspection).

■

▲

Clean.

■

Customer service.

▲

Fuel

Check fuel level.

■

Is the tank cap closed?

■

Tank, fuel valve,
and fuel line

Check parts for leaks and check for good condition.

■

▲

Carburetor

Does the carburetor close again after starting?

■

▲

Ventilation grid

Clean.

■

▲

Engine cooling

Clean.

▲

Spark plug

Check/replace.

▲

Air filter

Maintain.

■

■▲

Blade and fasten-
ing components

Check for wear and damage. See chapter Checking the
blade.

■

▲

Change.

▲

Motor brake

Does the blade stop within 7 seconds?

□

▲

Release the drive
lever

Does the device stop when the lever is in zero position?

□

▲

Drive

Check.

■

▲

V-belt

Are the belts tensioned correctly, without fissures, and in
good condition?

▲

Bowden cables

Check for proper function and ease of movement.

■

▲

Chassis and impact
protection

Check for rust and fissures and check the welding seams.

■

▲

Are all protective devices and covers in place, fastened
correctly and properly functioning?

■

▲

Label

Condition of the labels.

■

▲

Summary of Contents for Allmaher AS 21 4T B&S

Page 1: ...erator s Manual Allmäher AS 21 4T B S AS 21 4T Comfort From serial number AS 21 4T B S 021111030151 AS 21 4T Comfort 027315100001 Issued 08 May 2017 V14 0 en Translation of the Original Operator s Manual ...

Page 2: ...pare parts provide your dealer with the serial and engine numbers Serial number see manufacturer s certificate or type plate Engine number Date of purchase Address of dealer Intended use The device is intended only for cutting grass or similar vegetation in well maintained grounds in agriculture forestry and preservation of the countryside that are cut at least once a year Woody growth must not be...

Page 3: ...wheel AS 21 4T B S 15 Steerable front wheel AS 21 4T Comfort 16 Attaching the starter grip 17 Starting 17 Starting the device 17 Driving 17 Driving 17 Turning 17 Switching off and parking 18 Transport 18 Maintenance and cleaning 19 Preparations 20 Cleaning the device 20 General inspection 20 Grease lubrication 21 Maintaining the engine 21 Checking the engine oil level 21 Checking the spark plugs 2...

Page 4: ...ne extends for at least 50 metres The quickly rotating blade can cause life threatening injuries or immense property damage Be especially careful to keep your hands and feet away from the blade when the device is put into operation Prior to any repair and mainten ance work pull off the spark plug connector Clean the ventilation grid The cooling air of the mo tor is sucked in through the ventilatio...

Page 5: ...device types are described Depending on their equipment the corres ponding descriptions of this operating manual apply Type dependent equipment AS 21 4T B S AS 21 4T Comfort Lateral adjustment handlebar X Height adjustment of handlebar X Tank ventilation X ...

Page 6: ...ammable There is a burn and explosion hazard Keep fuel away from ignition sources and do not smoke during handling Do not inhale fuel vapours they are dangerous to your health Use gloves and avoid skin con tact with the fuel Always refuel outdoors when the engine is cold and standing still When doing so always use a filler spout or a funnel Do not spill any fuel or do not let fuel enter canalisati...

Page 7: ...e an authorised service centre check your device if the blade does not stop within 7 seconds Danger area Fig 1 The danger zone extends for at least 50 metres Within the danger area of the device there is a risk of injury The rotating knife can cause injuries and ob jects can be thrown out The area in front of and to the right of the device is especially dan gerous On slopes the device can topple o...

Page 8: ... result Prior to mowing Personal protective measures During mowing always wear safety shoes with good grip and long trousers Do not mow with open sandals or while shoeless Wear safety gloves to protect yourself against injuries and vi brations Noise is causing health prob lems Use personal ear protec tion to avoid hearing damage Wear safety glasses and headgear Ask your specialised dealer about su...

Page 9: ...e to tipping over or sliding Mow on steep terrain only when safe opera tion can be guaranteed Do not mow excessively steep slopes Take suitable precautions on steep slopes e g by using step irons Always mow crossways to the slope never upwards or downwards Always make sure that you step safely use non slip safety shoes Be extremely cautious when changing the direction Mow only when the ground is d...

Page 10: ...erating instructions Have an authorised ser vice centre perform all other work Only use the blades and spare parts author ised by AS Motor Germany Unauthorised blades and spare parts can cause severe injur ies Prior to all maintenance work wait until the en gine comes to a standstill and pull off the spark plug connector We explicitly point out that in accordance with the Product Liability Act we ...

Page 11: ... 4 12 13 14 1 Steerable front wheel 2 Interlock steerable front wheel 3 Silencer 4 Oil filler 5 Starter grip 6 Ventilation grid 7 Tank filler spout 8 Spark plug connector 9 Type plate 10 Air filter 11 Fuel valve 12 Protection bow 13 Protection skirt 14 Cover ...

Page 12: ...rable front wheel 3 Cutting height adjustment 4 Air filter 5 Starter grip 6 Lever for lateral adjustment of handle bar 7 Tie rod height of bar 8 Tank ventilation 9 Tank filler spout 10 Fuel valve 11 Spark plug connector 12 Type plate 13 Silencer 14 Cover 15 Ventilation grid 16 Oil filler 17 Protection bow 18 Protection skirt ...

Page 13: ...lever Fuel valve 2 1 1 Closed 2 Open Lever for lateral adjustment of handlebar C only AS 21 4T Comfort 1 Release the eccentric tension lever 2 Attention Do not crush the Bowden cables when pivoting the handlebar Swivel the handlebar to the side to the de sired position 3 Clamp the handlebar with the eccentric ten sion lever Lever for height adjustment of handlebar D only AS 21 4T Comfort 1 Pull th...

Page 14: ...e E10 pet rol longer than 30 days Tanking up Danger Fuel is ignited by hot engine parts Prior to filling up switch off the en gine and wait for at least 20 minutes until the engine has cooled down Observe the safety instructions re garding the fuel Filling up with fuel 1 For filling use a canister with filler spout or a funnel 2 Open the canister carefully so that existing excess pressure is slowl...

Page 15: ...n the rear wheel to a torque of 40 5 Nm 7 Put the wheel cap back on 8 Carry out the same procedure at the other rear wheel Notice To increase speed a pinion with 13 teeth is available as accessory If this pinion is installed the wheel bolt must be screwed in the other bore holes 4 5 Steerable front wheel AS 21 4T B S Cutting height at steerable front wheel 1 2 3 4 5 4 Fig 6 1 Remove the wing nut 3...

Page 16: ... the cut ting height adjustment downwards 2 Lift or lower the guide bar to the desired position 3 Release the lever Locking steerable front wheel On flat terrain it is more comfortable to leave the front wheel free to pivot If you mow in hori zontal direction it is necessary to always lock the wheel 1 3 2 Fig 9 Releasing steerable front wheel 1 Lift off the cover 1 of the steering tube 2 Pull the ...

Page 17: ...the plug connector 5 Actuate and hold the engine brake bar 6 Pull the starter grip slowly out until you feel resistance and then pull out quickly en gine starts to run 7 Slowly bring the starter grip back and at tach it onto the starter grip holder Driving Danger Risk of injury caused by tripping or sliding while moving the mower backwards and turning it round Make sure that the area is clear of o...

Page 18: ...nsport Switch off the engine and wait until the blade comes to a stop before you lift the device It takes two persons to safely lift the device Prior to transport let the device cool down for at least 20 minutes Close the fuel valve For transport you can take off the handlebar and the steerable front wheel During transport on vehicles secure the device against rolling sliding tilting and fuel leak...

Page 19: ...Check parts for leaks and check for good condition Carburetor Does the carburetor close again after starting Ventilation grid Clean Engine cooling Clean Spark plug Check replace Air filter Maintain Blade and fasten ing components Check for wear and damage See chapter Checking the blade Change Motor brake Does the blade stop within 7 seconds Release the drive lever Does the device stop when the lev...

Page 20: ...ughly especially the bottom and the blade Grass cuttings and dirt that are stuck interfere with the grass ejection and impair the cutting quality To sufficiently cool the engine keep the engine cover ventilation grid and engine clean Fire hazard Take particular care that the com ponents at the silencer are clean For cleaning use a hand brush Remove stub born dirt with a wooden or plastic spatula C...

Page 21: ...ne oil level Never allow the oil level to be too low other wise the engine can be damaged Never fill in too much oil Otherwise there is the risk that the oil enters and destroys the air filter For this observe the attached operating in structions of the engine Checking the spark plugs Danger The ignition system generates an electromagnetic field Wearers of pacemakers must not work on live parts So...

Page 22: ... service centre Use solid gloves when you check the blade Work at the blade requires specific expertise because an unbalance inspection is necessary and the torques must be observed Check the blade and all fastening elements for wear damage and cracks each time before and after you mow if there are noticeable changes All shown blade parts and their fastening ele ments must be changed if damage or ...

Page 23: ...es Checking engine brake Check the function of the engine brake by switching off the engine The blade must come to a standstill from full speed within less than 7 seconds Contact an authorised service centre if this is not the case Scope of delivery The device is shipped in a carton The scope of delivery included The device This operating manual Manufacturer s certificate Protection bow Protection...

Page 24: ...f the protection bow coincides with the rear hole of the side panel 11 6 Turn the bow holding device 7 upwards to the middle 7 Push the steerable front wheel 8 with the tube end through the bow holding device 7 and insert it into the guide bar 15 8 Screw down the steerable front wheel with the toggle screw 14 9 Hang the protection skirt in the screws 9 on the blade hood and screw it down with wash...

Page 25: ...the handlebar Swivel the handlebar 4 in an anti clock wise direction backwards and clamp it down with the eccentric lever 2 4 Turn in the hexagon nut until the eccentric lever 2 can be tensioned with normal force and is parallel to the guide bar 5 Adjust the guide bar by pulling the tied rod 5 to the desired height Make sure that the Bowden cables are laid without any tension 6 Push the device out...

Page 26: ... device 7 up to the centre 9 Push the steerable front wheel 8 with the tube end through the bow holding device 7 and insert it into the guide bar 15 10 Screw down the steerable front wheel with the toggle screw 14 11 Hang the protection skirt into the screws 9 on the blade hood and screw it down with washers and nuts 12 Screw down the protection bow and the protection skirt at the right side of th...

Page 27: ...ating instructions by the engine manufacturer Restarting If you want to start the device after a longer storage carry out the tasks described in chapter Maintenance Spare parts The reliable and safe operation of the device also depends on the quality of the spare parts used Only use original spare parts and ac cessories that were approved by AS Motor Germany When foreign parts are installed the wa...

Page 28: ...28 Warranty Please see our AS Motor website for warranty information Please print out the documents that you re ceive during the online registration Keep them together with your sales receipt ...

Page 29: ...imes when the fuel valve is closed dry the spark plug and screw it back in Air filter is dirty Maintain air filter see also Mainten ance and cleaning Spark plug is sooted dam aged or incorrect electrode gap Clean spark plug and check electrode gap see also Maintenance and clean ing Replace spark plug if necessary Housing of the mower is jammed See also Maintenance and cleaning Poor quality dirty o...

Page 30: ...ng Engine gets hot Ventilation grid is dirty Clean ventilation grid Oil level in the engine is too low Refill engine oil see operating instruc tions of the engine manufacturer Cooling fins of the engine are dirty Have cooling fins cleaned by author ised service centre Uneven cut lawn be comes unsightly Blade is dull or worn Have blade resharpened and balanced by an authorised service centre Re pla...

Page 31: ...ter G06927008 Clinometer G06950027 Changing the speed By installing a drive pinion with 13 teeth you can increase the driving speed The quicker driving speed only makes sense for a low growth and level terrain You can order the drive pinion from your customer with the following spare parts number ET no 13 teeth 9 teeth Right pinion G06125007 G06125009 Left pinion G06125008 G06125010 ...

Page 32: ...ear wheel drive 3 0 km h Maximum area coverage approx 1500 m2 h Measures and weight Transport size with packaging L W H Max tyre dimensions L W H Length for transport Height above engine for transport Width Weight 76 57 77 cm 165 71 99 cm 1340 mm 740 mm 880 mm 42 kg 79 72 73 cm 200 74 99 cm 1340 mm 740 mm 880 mm 51 kg Capacities Fuel tank Engine oil 1 2 litres approx 0 65 litres SAE 30 See Checkin...

Page 33: ...ety and health requirements of the EC directives lis ted 2006 42 EC 2014 30 EC Function The device is exclusively intended for cutting grass or similar vegetation in well maintained areas in agricul ture forestry and landscape conservation that are mowed at least once a year Applied standards DIN EN 12733 Place where all technical records are filed AS Motor Germany GmbH Co KG Ellwanger Straße 15 D...

Page 34: ...34 ...

Page 35: ...35 ...

Page 36: ...with rear discharge for all every requirement even with all wheel drive brake and reverse gear Brush cutter An agile lawn mower for maintenance of extensive grassed areas The Allmäher reliably mows and mulches metre high grass brushes and weeds Flail mower High grass with undergrowth steep slope or extensive areas in unknown terrain The movably mounted flail blades of the AS Motor flail mower give...

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