Viking MB 448 TX Instruction Manual download pdf (Page 40)

14

0478 111 9912 I - EN

Fault Possible cause Remedy Illustra -

tion

Page

- Engine will not start - Motorstop lever is not pressed

- No fuel in tank;

fuel line blocked

- Inferior, dirty or old fuel in tank

- Dirty air filter

- Spark plug socket disconnected

from spark plug; ignition lead

incorrectly fastened to socket

- Spark plug dirty or damaged;

incorrect electrode gap

- Engine is flooded due to several

starting attempts

- Mower housing is blocked

- Press motorstop lever to

handlebar

- Top up fuel, clean fuel line

- Always use fresh, good quality

fuel, normal unleaded petrol;

clean carburettor

- Clean air filter

- Connect spark plug socket;

check connection between

ignition lead and connector

- Clean or replace spark plug;

adjust electrode gap

- Remove spark plug and dry; pull

starter cord repeatedly with the

spark plug removed

- Clean the mower housing.

(disconnect spark plug socket

before cleaning)

- Work at appropriate cutting

height and mowing speed for

mowing conditions

- Clean mower housing

(disconnect spark plug socket

before cleaning)

- Clean air filter

- Clean spark plug

- Re-sharpen or replace mowing

blade

- Empty fuel tank, clean fuel line

and carburettor

- Mowing grass which is too long

or too wet

- Mower housing is blocked

- Dirty air filter

- Dirty spark plug

- Mowing blade is blunt or worn

- Water in fuel tank and

carburettor; carburettor blocked

- Starting problems or

deteriorating engine

performance

Troubleshooting

8

7

7

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





9

6

9



10



8

17

16

11

9

9

17

 see engine instruction manual

 If necessary, contact a specialist dealer; VIKING recommends VIKING specialist dealers.

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