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MTD 790 TB-TrimmerBlower, Manual, Page: 15 / 15

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MTD 790 TB-TrimmerBlower Manual Download Page 15

English

Operating instruction

12

Technical specifications

Engine

Engine type.......................................................................................................................... air-cooled, two-stroke

Ignition ....................................................................................................................................................  electronic

Cubic capacity ...........................................................................................................................................  31 cm

3

Maximum engine power according to ISO 8893.............................................................................. 0.75 kW (1 PS)

Electrode gap ..........................................................................................................................................  0.63 mm

Idle running ........................................................................................................................................... 2800 min

-1

Operating revolutions (lawn trimmer) ..................................................................................................... 7700 min

-1

Lubrication ................................................................................................................  Petrol/oil mixture (40:1) 2.5%

Ignition switch ..................................................................................................................................  Toggle switch

Starter..............................................................................................................................    Automatic return (AST)

Tank capacity ............................................................................................................................................   443 ml

Drive shaft and cutting 
attachment

Drive shaft housing ..............................................................................................................  Steel pipe (EZ-Link

TM

)

Throttle .........................................................................................................................................  Finger actuation

Weight of the unit (without fuel) .......................................................................................................  approx. 6.4 kg

Cutting mechanism .......................................................................................................  Simplex cord cutting head

Trim line diameter.....................................................................................................................................  2.67 mm

Cutting path diameter ...............................................................................................................................  45.7 cm

Accessories on request

Summary of Contents for 790 TB-TrimmerBlower

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Page 6: ...4 13 24 34 44 54 65 74 84 94 104 115 ...

Page 7: ...led correctly and attached securely Ensure that the guard for the cutting attachment has been attached correctly and is in the recommended position If these instructions are not followed the user and bystanders may be injured or the unit damaged n Use only original replacement lines which have a diameter of 2 67 mm Never use a metal reinforced string wire chain rope etc These may break off and bec...

Page 8: ...for a short time even when the unit is switched off n Do not let the engine run quicker than required for cutting or trimming of lawn edges Do not run the engine at high speed when it is not cutting n Always switch off the engine if you cannot start cutting immediately or if you are moving from one place to another n If you strike or ensnare a foreign object immediately switch off the engine and c...

Page 9: ...rol NIGXIH SFNIGXW ERH VSXEXMRK TEVXW QE GEYWI WIVMSYW MRNYVMIW Do not use the unit if the protective housing has not been correctly posi tioned for cutting Keep away from the rotating line coil and cutting blade 7LEVT FPEHI Sharp blade on the guard as well as sharp cutting blade To prevent grievous injury do not touch the blade PS MRK XYVFMRI GER GEYWI KVMIZSYW MRNYVMIW Before any cleaning adjust...

Page 10: ...over the shaft Minimum distance 15 2 cm Fig 2 n While holding the unit in the operating position Fig 12 move the D shaped handle into the position which ensures the best possible handling of the unit and tighten the wing screw Fig 2 Attaching and adjusting the shoulder belt Depending on model n Pull the belt through the buckle n Pull the shoulder belt over your head and place the pad on your shoul...

Page 11: ...ope does not resist greatly Please note that this method of starting theengine is quite different and much easier from what you are used to n Mix petrol gasoline with oil Fill the tank with the mixture See instructions on mixing oil and petrol n Put the ignition switch in the START I position Fig 9 Tip If starting a unit which has not been used for a long time or brand new or difficult to start pr...

Page 12: ...lk either forwards and backwards or from side to side Better results are achieved by cutting shorter pieces n Cut dry grass and weeds only The service life of the cutting line depends on the following Follow the previous cutting tips for the vegetation which is to be cut where it is cut For example a line wears out more quickly if it is cutting against a house wall than around a tree Decorative cu...

Page 13: ...lace a damaged sooted or dirty spark plug n Screw in spark plug and tighten to a torque of 12 3 13 5 Nm Do not tighten too tightly Cleaning Use a small brush for cleaning the outside of the unit Do not use abrasive detergents Household cleaners which contain aromatic oils such as pine oil or lemon as well as solvents such as kerosene may damage the plastic housing and handle Wipe damp areas with a...

Page 14: ...pull the starter cable Old or incorrectly mixed fuel Empty the tank fill with fresh fuel mixture Dirty spark plug Replace or clean spark plug Engine does not run constantly at no load Air filter blocked Clean or replace air filter Old or incorrectly mixed fuel Empty the tank fill with fresh fuel mixture Carburettor incorrectly adjusted Have carburettor adjusted by customer service personnel Engine...

Page 15: ...n 1 Operating revolutions lawn trimmer 7700 min 1 Lubrication Petrol oil mixture 40 1 2 5 Ignition switch Toggle switch Starter Automatic return AST Tank capacity 443 ml Drive shaft and cutting attachment Drive shaft housing Steel pipe EZ LinkTM Throttle Finger actuation Weight of the unit without fuel approx 6 4 kg Cutting mechanism Simplex cord cutting head Trim line diameter 2 67 mm Cutting pat...

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