Maintenance; Maintenance Schedule - Husqvarna 129C Bedienungsanweisung

WARNING: Read and understand the safety
chapter before you clean, repair or do
maintenance on the product.

Maintenance schedule

Make sure that you obey the maintenance schedule.
The intervals are calculated from daily use of the
product. The intervals are different if you do not use the
product each day. Only do the maintenance work that is
found in this manual. Speak to an approved service
center about other maintenance work not found in this
manual.
Weekly maintenance
• Clean the external surfaces.
• Examine the idle speed.
• Examine the bevel gear grease (straight shaft).
Monthly maintenance
• Examine the starter rope handle and the starter
rope.
Yearly maintenance
• Examine the spark plug.
• Apply grease to the end of the drive shaft (two-piece
shaft).
• Clean the external surfaces of the carburetor and its
adjacent areas.
• Clean the cooling system.
• Examine the spark arrester screen.
• Examine the fuel filter.
• Examine the fuel hose for damage.
• Examine all cables and connections.
50 hours maintenance
• Have an approved service center repair or replace
the muffler.
To adjust the idle speed
• Make sure that the air filter is clean and the air filter
cover is attached before you adjust the idle speed.
• Adjust the idle speed with the idle adjustment screw
T which is identified with "T" mark.
• The idle speed is correct when the engine operates
smoothly in all positions. The idle speed must be
below the speed when the cutting attachment starts
to turn.
1. Turn the idle adjustment screw clockwise until the
cutting attachment starts to turn.(Fig. 55 )
2. Turn the idle adjustment screw counterclockwise
until the cutting attachment stops.
14

MAINTENANCE

To do maintenance on the spark
arrester screen
Use a wire brush to clean the spark arrester screen.
(Fig. 56 )
To clean the cooling system
Clean the parts of the cooling system with a brush.
(Fig. 57 )
To examine the spark plug
1. Examine the spark plug when:
a) the engine is low on power.
b) the engine is not easy to start.
c) the engine does not operate correctly at idle
2. If, the engine is not easy to start or operate, examine
the spark plug for unwanted materials. To decrease
the risk of unwanted material on the spark plug
electrodes:
a) make sure that the idle speed is correctly
b) make sure that the fuel mixture is correct.
c) make sure that the air filter is clean.
3. Clean the spark plug if it is dirty. Examine that the
electrode gap is correct.(Fig. 58 )
4. Replace the spark plug when it is necessary.
To apply grease to the two-piece shaft
• Apply grease to the end of the drive shaft after each
30 hours of operation.(Fig. 59 )
To do the maintenance to the air filter
To clean the air filter
1. Remove the air filter cover and remove the air filter.
(Fig. 60 )
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.
4. If your product has a foam air filter, apply air filter oil.
Only apply air filter oil to a foam filter. Do not apply
oil to a felt filter.
CAUTION: Use the recommended spark
plug. Make sure that the replacement is the
same as the manufacturer supplied part. An
incorrect spark plug can cause damage to
the product.
speed.
adjusted.
155 - 006 -