Stihl MS 311 Product Instruction Manual - Page 37

Oil Quantity Control, Taking Care of the Guide - 20 bar

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English 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. 001BA157 KN 143BA026 KN Taking Care of the Guide Bar 2 1 3 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 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) 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. MS 311, MS 391 35

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MS 311, MS 391
English
35
Adjustable flow oil pump is a special
option.
Different quantities of oil are required for
different bar lengths, types of wood and
cutting techniques.
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.
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.
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.
Oil Quantity Control
The chain must always be wetted
with a film of lubricant.
001BA157 KN
1
Taking Care of the Guide
Bar
2
3
1
143BA026 KN
Chain type
Pitch
Minimum
groove
depth
Picco
3/8" P
0.20"
(5.0 mm)
Rapid
1/4"
0.16"
(4.0 mm)
Rapid
3/8"; 0.325"
0.24"
(6.0 mm)
Rapid
0.404"
0.28"
(7.0 mm)