Stihl MS 311 User Manual - Page 66

Chain Lubrication, Pickup Body, Oil Suction Hose, Installing - problems

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11. Chain Lubrication 11.1 Pickup Body 11.2 Oil Suction Hose Impurities gradually clog the fine pores of the filter with minute particles of dirt. This prevents the oil pump from supplying sufficient oil. In the event of problems with the oil supply system, first check the oil tank and the pickup body. Clean the oil tank if necessary, b 1 - Troubleshooting, b 3.3 - Open the oil tank cap and drain the oil tank. - Collect chain oil in a clean container, b 1 1 2 : Use hook (2) 5910 893 8800 to remove the pickup body (1) from the oil tank. 219RA457 TG - Remove the clutch, b 4 - Remove the brake band, b 5.2 - Open the oil tank cap and drain the oil tank b 1. - Remove the oil pump, b 11.3 1 : Remove the oil suction hose (1). - Fit the pickup body, b 11.1 Installing 4903RA174 TG 1 - Line up the oil suction hose (1) - the tab (arrow) must locate against the housing. - Use STIHL press fluid to simplify assembly, b 14 : Push home the oil suction hose (1) until its groove is properly seated in the engine housing. - Check position of pickup body. If necessary, use hook 5910 893 8800 to position it properly. - Install the oil pump, b 11.3 - Reassemble all other parts in the reverse sequence. 4903RA176 TG 4903RA175 TG Do not overstretch the suction hose. - Pull off the pickup body (1). 1 - Reassemble in the reverse sequence. : Push the oil suction hose (1), pickup body first, through the housing bore (arrow). MS 311, MS 391 65

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65
MS 311, MS 391
11.
Chain Lubrication
11.1
Pickup Body
Impurities gradually clog the fine
pores of the filter with minute
particles of dirt. This prevents the oil
pump from supplying sufficient oil.
In the event of problems with the oil
supply system, first check the oil
tank and the pickup body. Clean the
oil tank if necessary,
b
1
– Troubleshooting,
b
3.3
–
Open the oil tank cap and drain
the oil tank.
–
Collect chain oil in a clean
container,
b
1
:
Use hook (2) 5910 893 8800 to
remove the pickup body (1) from
the oil tank.
Do not overstretch the suction hose.
–
Pull off the pickup body (1).
–
Reassemble in the reverse
sequence.
219RA457 TG
1
2
11.2
Oil Suction Hose
–
Remove the clutch,
b
4
–
Remove the brake band,
b
5.2
–
Open the oil tank cap and drain
the oil tank
b
1.
–
Remove the oil pump,
b
11.3
:
Remove the oil suction hose (1).
–
Fit the pickup body,
b
11.1
Installing
:
Push the oil suction hose (1),
pickup body first, through the
housing bore (arrow).
4903RA174 TG
1
4903RA175 TG
1
–
Line up the oil suction hose (1)
– the tab (arrow) must locate
against the housing.
–
Use STIHL press fluid to simplify
assembly,
b
14
:
Push home the oil suction hose
(1) until its groove is properly
seated in the engine housing.
–
Check position of pickup body. If
necessary, use hook
5910 893 8800 to position it
properly.
–
Install the oil pump,
b
11.3
–
Reassemble all other parts in the
reverse sequence.
4903RA176 TG
1