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14 Using a Battery Harness
14.2.3 Putting on and Adjusting the Battery Backpack
WARNING
To reduce the risk of personal injury, the operator must be 
able to remove the battery backpack quickly in the event of 
an emergency. In an emergency, open and remove the waist 
belt and chest strap quickly before dropping the backpack to 
the ground.
To ensure a proper fit:
► Put the battery backpack on your back.
► Fasten and adjust the waist belt (2) so that it rests 
comfortably but securely on your hips. 
► Fasten the chest strap (1) and adjust it so that it fits 
comfortably but securely across your chest.
► Adjust the harness straps so that the backpack fits firmly 
and securely against your back.
► Thread the end of the waist belt through the loop (3).
To help reduce the risk of injury in the event of an 
emergency, practice quickly opening the fastener on the 
waist belt, loosening the shoulder straps and removing the 
battery backpack.
NOTICE
To avoid damage, ease the battery backpack to the ground 
when practicing. Do not allow the battery to drop to the 
ground and do not throw it.
14.3 STIHL Battery Belt
14.3.1 Mounting the AP Battery Bag to the STIHL Battery Belt
WARNING
To reduce the risk of injury from tripping or losing control of 
the power tool, always secure the connecting cord with the 
hook and eye fasteners. Position and secure the connecting 
cord so that it will not interfere with proper working technique 
or your ability to maintain control of the power tool.
WARNING
Manage the cord to prevent it from contacting the cutting 
blades or catching on objects, which could cause you to lose 
balance or control of the power tool, resulting in serious 
personal injury and property damage.
► Open the hook and eye fastener on the strap (1) and pull 
the strap out of the ring (2).
► Pull the strap through the battery belt (3).