Husqvarna 135 Mark II Operator's Manual page 18

2. Clean the spark plug if it is dirty. Make sure that the
electrode gap is correct.
3. Replace the spark plug when it is necessary.
To clean the air filter
1. Remove the air filter cover and remove the air filter.
2. Clean the air filter with warm soap water. Make sure
that the air filter is dry before you install it.
3. Replace the air filter if it is too dirty to fully clean it.
Always replace a damaged air filter.
To sharpen the saw chain
The cutter
The cutting part of the saw chain is called the cutter and
consists of a cutting tooth (A) and the depth gauge (B).
The cutters cutting depth is determined by the difference
in height between the two, the depth gauge setting (C).
When you sharpen a cutting tooth there are four
important factors to remember:
18
A
B
• Filing angle.
A
• Cutting angle.
• File position.
C
A
862 - 001 - 20.09.2018