Disengaging the chain brake.
001BA186 KN
NPull the hand guarad towards the front handle until there is an audible click – the chain brake is disengaged.
Fitting the chain
143BA003 KN
WARNING
Wear work gloves to protect your hands from the sharp cutters.
NFit the chain – start at the bar nose.
3 | 1 |
| 1 |
| 2 | 4 | KN |
|
|
| 001BA187 |
NFit the guide bar over the studs (1) – the cutting edges on the top of the bar must point to the right.
NEngage the peg of the tensioner slide in the locating hole (2)
NTurn the tensioning
screw (4)clockwise until there is very little chain sag on the underside of the bar – and the drive link tangs are engaged in the bar groove.
NRefit the sprocket cover and screw on the nuts only fingertight.
NGo to chapter on "Tensioning the Saw Chain"
English
Tensioning the Chain
1 | KN |
| 133BA024 |
Retensioning during cutting work:
NShut off the engine. N Loosen the nuts.
N Hold the bar nose up.
NUse a screwdriver to turn the tensioning screw (1) clockwise until the chain fits snugly against the underside of the bar.
NWhile still holding the bar nose up, tighten down the nuts firmly.
NGo to "Checking Chain Tension".
A new chain has to be retensioned more often than one that has been in use for some time.
NCheck chain tension frequently – see chapter on "Operating Instructions".
MS 250 | 27 |
