Stihl MS 311 User Manual - Page 68
Valve, Installing
View all Stihl MS 311 manuals
Add to My Manuals
Save this manual to your list of manuals |
Page 68 highlights
4903RA186 TG 1 2 2 11.4 Valve Installing A valve is installed in the tank wall to keep internal tank pressure equal to atmospheric pressure. The valve must be replaced if it is faulty. - Open the oil tank cap and drain the oil tank b 1. 4903RA184 TG - Place the oil pump (1) in position. : Fit and tighten down the screws (2) firmly. - Connect the oil suction hose to the oil pump. - Push the worm fully home. Check correct installed position. : Insert the valve in the housing bore (arrow). - Use a 6 mm drift to carefully drive in the new valve from outside - note installed depth. 4903RA185 TG : Use a 6 mm drift to carefully drive the valve out of its seat in the housing and into the oil tank. 1 219RA479 TG 4903RA270 TG : Fit the cover washer (1) so that the word TOP (arrow) faces outwards. - Check adjustment of oil pump and readjust if necessary - see instruction manual. 1 : Remove the old valve (1) from the oil tank. - Reassemble all other parts in the reverse sequence. 219RA476 TG : Installed depth of new valve: a = 1 mm +/- 0.1. - Reassemble all other parts in the reverse sequence. MS 311, MS 391 67