Husqvarna 543 XP Operator's Manual page 7

• Do not use a product with defective safety devices.
• Do a check of the safety devices regularly. Refer to
Maintenance and checks of the safety devices on
the product on page 23 .
• If the safety devices are defective, speak to your
Husqvarna servicing dealer.
Chain brake and front hand guard
Your product has a chain brake that stops the saw chain
if you get a kickback. The chain brake decreases the
risk of accidents, but only you can prevent them.
The chain brake engages (A) manually by your left hand
or automatically by the inertia release mechanism. Push
the front hand guard (B) forward to engage the chain
brake manually.
Pull the front hand guard rearward to disengage the
chain brake.
Throttle trigger lockout
The throttle trigger lockout prevents accidental operation
of the throttle trigger. If you put your hand around the
handle and press the throttle trigger lockout (A), it
releases the throttle trigger (B). If you release the
handle, the throttle trigger and the throttle trigger lockout
move back to their initial positions. This function locks
the throttle trigger at idle speed.
A
Chain catcher
The chain catcher catches the saw chain if it breaks or
comes loose. Correct saw chain tension and correctly
956 - 001 - 13.11.2018
B
A
B
applied maintenance on the saw chain and guide bar,
decrease the risk of accidents.
Right hand guard
The right hand guard is a protection for your hand on the
rear handle. The right hand guard gives you protection if
the saw chain breaks or derails. The right hand guard
also gives you protection from branches or twigs.
Vibration damping system
The vibration damping system decreases vibration in the
handles. Vibration damping units operate as a
separation between the product body and the handle
unit.
Product overview on page 2 for information
Refer to
about where the vibration damping system is on your
product.
Start/stop switch
Use the start/stop switch to stop the engine.
Muffler
WARNING: The muffler becomes very hot
during/after operation and at idle speed.
There is a risk of fire, especially when you
operate the product near flammable
materials and/or fumes.
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