SAFETY EQUIPMENT
English – 13
For this test, the motor should not be running.
Test the chain brake cut in as follows:
1. Hold the saw over a stable surface as shown in fig. 7.
The distance between the guide bar and the surface is
given in the table below.
2. Let go of the front hand grip and let the chainsaw pivot
round on the rear hand grip.
3. When the guide bar hits the surface, the chain brake
should cut in.
Guide bar length, L Height, H
15-20 inches 50 cm
21-28 inches 70 cm
29-32 inches 80 cm
L
H
Fig. 7
Reassembly
Inspection
Clean and inspect all components.
The brake-strap thickness must not be less than 0.8 mm at
any point. See fig. 5.
!
WARNING!
After repair, the chain brake must be
checked in accordance with the
following instructions.
Checking brake operation
E
C
F
Fig. 6
Assemble the chain brake as follows:
1. Reattach the toggle joint and brake-strap. See fig. 5.
2. Grease the toggle joint (E) moving parts and locate the
assembly in the chainsaw. See fig. 6.
3. Grease and insert the lever arm (D). See fig. 3.
4. Grease and insert the retaining bush (C) and spring. See
fig. 3.
5. Locate the chain brake assembly cover, four bolts (B).
Tighten the screws to 4 Nm. See fig. 1.
6. Locate the chain guide-plate with bolt (A). See fig. 1.
7. Attach the hand guard with the sleeving on the starter
side. See fig. 2.
8. Draw back the hand guard so that the chain brake is in the
off position.
9. Check that the brake-strap is seated correctly in the
recess (F) in the crankcase. See fig. 6.
10.Assemble the following components:
• Centrifugal clutch. See page 23.
• Chain and guide bar. See instruction book.
Fig. 5
min. 0.8 mm
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