Repair Instructions
7.26 Replacing the bar bolt
Replacing a bar bolt with intact crankcase
1
Empty the oil tank.
2
Knock in the old bar bolts from the outside so that they end up in the oil tank.
3
Remove the bolts from the oil tank.
4
Attach a wire to the head of the bar bolt, lower the wire through the oil tank and out through the bolt opening in the crankcase. See figure 83.
5
Pull out the bar bolt so that it protrudes from its opening. See figure 83.
Fig 83 |
6
Pull out the bar bolt with its nut. Insert a spacer between the nut and the crankcase. See figure 83.
7
Fill with chain oil.
7.27 Repairing damaged threads
If threads on the chainsaw are worn, the repa- ration kit, 503 27
First drill with:
6.1 mm drill for the magnesium crankcase
Then screw in the thread plug using a suitable screw and wrench.
This type of screw plug is ideal for plastic and magnesium but cannot be used to repair threads in aluminium. There is another type of thread plug and metric screw available for this purpose. See figure 84. Check the manufac- turer’s manual for thread information.
Fig 84