Air Filter; Bevel Gear; Drive Shaft - Husqvarna 545RXT AutoTune Operator's Manual

Clean the cooling system weekly or more frequently if it
is necessary.
1. Remove the starter cover and the cylinder cover.
2. Clean the cooling system with a brush.
3. Examine the starter pawls and area around them for
dirt.
4. Clean around the starter pawls with a brush, to make
sure that they can move freely.

Air filter

A dirty air filter can cause carburetor malfunction, start
problems, loss of engine power and wear to engine
parts. It also makes the engine use more fuel than
necessary. Clean the filter at an interval of 8 hours, or
more frequently if the product is operated in a dusty
environment.
Note: An engine adjustment can be necessary when the
air filter has been cleaned or replaced. See
the engine on page 57 .
To do a check of a paper air filter
1. Remove the air filter cover.
2. Open the 2 hooks that hold the filter frame.
3. Remove the filter frame and the air filter.
4. Examine and clean the filter housing with a brush.
5. Examine the filter. Replace the filter if it is dirty or
damaged.
56
D
C
E
A
B
To adjust
CAUTION: Do not bend or fold the filter as
this can cause damage to the filter. A
damaged filter must always be replaced.
To clean a nylon air filter
1. Remove the air filter cover and lift out the filter.
2. Examine and clean the filter housing with a brush.
3. Examine the filter. Clean the filter with warm soap
water. Replace the filter if it is damaged.
CAUTION: A damaged filter must always be
replaced.

Bevel gear

The bevel gear is filled to ¾ with grease at the factory.
Before use, make sure that the grease level has not
changed. Use Husqvarna special grease if it is
necessary to fill up. Do not change the grease in the
bevel gear. Let servicing personnel do the repair of the
bevel gear.

Drive shaft

Lubricate the drive shaft at an interval of 3 months. Let a
service agent help you if you are not sure about the
procedure.
To attach and remove the locknut
WARNING: Stop the engine, use protective
gloves and be careful around the sharp
edges of the cutting attachment.
Use the locknut to attach some types of cutting
attachments. The locknut has a left thread.
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