Replacement Part List

23
Correct angle of edge grinding
30-degree
A C D
80-degree
60-degree
0.64mm
Parallel lines
The correct angle of edge grinding is shown in the gure:
A. 30-degree top angle;
B. 80-degree lateral angle;
C 60-degree cutting angle for the top side;
D. Depth measurement: 0.64mm.
The following errors may result in increase of bounce:
1) The top angle is too large.
2) The lateral angle is too small.
3) The le diameter is too small.
4) The depth is too large.
Attention
TheangleparametersaresuitableforOregon91VS,
91VGandCarltonN1C-BLchains.Fortheanglesof
otherkindsofchains,refertotheinstructionsofthe
manufacturer.
Cleaning of guide plate slot
Drive the chain ring to clean sawdust in the guide plate slot.
Keep the lower drive edge sharp.
• Install the chain and immerse it in oil.
• After chain ling on the guide plate, ll enough oil, and
slowly rotate the chain to clean iron chips before use.
• The wear of the chain and guide plate will be increased if
the chain saw with the slot full of iron chips is used.
• If resin is adhered to the chain, clean the chain with
kerosene or immerse the chain in oil.