Husqvarna 439 Operator's Manual page 7

• Use boots with saw protection, steel toe-cap and
non-slip sole.
• Always have a first-aid kit with you.
• Risk of sparks. Keep fire extinguishing tools and a
shovel near to prevent forest fires.
Safety devices on the product
WARNING: Read the warning instructions
that follow before you use the product.
• 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 22 .
• 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
823 - 002 - 08.11.2018
B
A
move back to their initial positions. This function locks
the throttle trigger at idle speed.
A
B
Chain catcher
The chain catcher catches the saw chain if it breaks or
comes loose. Correct saw chain tension and correctly
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.
Refer to Product overview on page 2 for information
about where the vibration damping system is on your
product.
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