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ENGLISH - 6
L. Chain sharpening
1 Chain cutter teeth can be sharpened with a round file,
as follows:
CHAIN FILE
MP 370 GLX 5/32”
The exact chain type is marked on the bottom half of the
drive link which runs inside the bar groove.
Filing can be made easier by also using a file holder.
The chain can remain fitted on the bar during sharpening.
Before commencing, the chain should be tensioned cor-
rectly and the chain brake should be activated to prevent
the chain from moving.
2 To obtain a correct sharpening the file must be carefully
held to maintain 3 basic angles:
– “A” Top angle 30° - 35°
– “B” External, side angle 85° - 90°
– “C” Internal, side angle 60°
File in one direction only, from the “inside” of the cutter
tooth towards the “outside”.
Do not allow the file to touch the chain as you bring it
back to re-position it. Each cutter tooth should be filed
with the same number of strokes.
3 The file should be held horizontally to the cutter tooth
being sharpened.
4 Best results to obtain a precise sideways angle can be
obtained by holding the file so that it rises 0,5 mm above
the top face of the cutter tooth.
5 DEPTH GAUGE
Correct depth gauge height is vital to ensure maximum
chain life and cutting efficiency.
The height of the depth gauge should be lowered as the
cutter tooth is filed back; this height should be checked
every 4 or 5 sharpenings.
The best way to do this is to use a flat file and a depth
gauge tool.
The correct setting is 0.65 mm below the top edge of the
cutter tooth.
The cutter tooth depth gauge should then be rounded (D).
THIS PRODUCT MEETS THE SAFETY STANDARD REQUIREMENT OF THE EUROPEAN
MACHINERY DIRECTIVE
DISPLACEMENT (cm
3
)
BORE AND STROKE (mm)
ENGINE OUTPUT (kW)
ENGINE SPEED AT MAX POWER (min
-1
)
MAXIMUM SPEED (min
-1
)
MINIMUM SPEED (min
-1
)
DRY WEIGHT (Kg) (NO BAR AND CHAIN)
CHAIN PITCH (9,525 mm)
CHAIN GAUGE (mm)
BAR LENGTHS (cm)
No. OF SPROCKET TEETH
OIL TANK CAPACITY (cm
3
)
FUEL TANK CAPACITY (cm
3
)
SOUND PRESSURE LEVEL (AT THE OPERATOR’S EAR). LpAav (dBA) (EN 27182 - EN 608)
GUARANTEED SOUND POWER LEVEL (dBA)
MEASURED SOUND POWER LEVEL (dBA)
VIBRATION LEVEL (ISO 7505 - EN 608) (m/s
2
)
33
37x30
1,2
7.000
11.000
2.900
3,1
3/8”
1,3
30
6
150
230
95,9
113
111,14
8,5
Specification