Hyundai HYC6220 User Manual page 26

Use the correct size round file (3/16" / 4.76mm) for your chain type (type 21VB).
9.34
9.35 Place your file on the cutter and push straight forward. Keep the file position as
illustrated.
9.36 After every cutter has been set, check the depth gauge and file to the proper level as
illustrated
1
1. Appropriate gauge checker
9.37 Make sure every cutter has the same length and edge angles as illustrated below.
1. Cutter length
9.40 Guide Bar.
9.41 Reverse the bar occasionally to prevent partial wear.
9.42 The bar rail should always be square. Check for wear of the bar rail.
Apply a ruler to the bar and the outside of the cuter.
If there is a visible gap between them the rail is normal.
If the rail is worn then the bar will need to be corrected or replaced.
2. Round the shoulder
1
2.Filing angle.
1. Ruler 2. Gap
2
2
3. Side plate angle 4. Top plate cutting angle.
3. No gap
26
3
3. Depth gauge standard
3 4
4. Chain tilts