Oil Quantity Control; Taking Care Of The Guide Bar - Stihl MS 311 Manual De Instrucciones

Oil Quantity Control

Adjustable flow oil pump is a special
option.
Different quantities of oil are required for
different bar lengths, types of wood and
cutting techniques.
1
Use the adjusting screw (1) (on
underside of machine) to vary the oil
feed rate as required.
Ematic position (E), medium oil flow rate
–
N turn the adjusting screw to "E"
(Ematic position).
To increase oil feed –
N turn the adjusting screw clockwise.
Turn reduce oil feed –
N turn the adjusting screw
counterclockwise.
The chain must always be wetted
with a film of lubricant.
MS 311, MS 391
Taking Care of the Guide
Bar
2
1
N Turn the bar over – every time you
sharpen the chain and every time
you replace the chain – this helps
avoid one-sided wear, especially at
the nose and underside of the bar.
N
Regularly clean the oil inlet hole (1),
the oilway (2) and the bar
groove (3).
N Measure the groove depth – with
the scale on the filing gauge (special
accessory) – in the area used most
for cutting.
Chain type
Picco
Rapid
Rapid
Rapid
If groove depth is less than specified:
N Replace the guide bar.
The drive link tangs will otherwise
scrape along the bottom of the groove –
the cutters and tie straps will not ride on
the bar rails.
3
English
Pitch Minimum
groove
depth
3/8" P 0.20"
(5.0 mm)
1/4" 0.16"
(4.0 mm)
3/8"; 0.325" 0.24"
(6.0 mm)
0.404" 0.28"
(7.0 mm)
35