Volvo EC60E, Operator'S Manual, Page: 217 / 342

Thumb
Thumb attachment
Lubricate the thumb pivot pin every 10 hours.
Check the hydraulic lines wear status every day.
Safety
NOTE!
Do not operate the machine until you know the
function and position of the instruments and
operating controls. Carefully read through this
Operator’s Manual, your safety is involved!
Wear protective equipment. If the machine has a
canopy, a front protective guard must be used
and operator must use safety glasses and a
helmet.
Never start the engine when the hydraulic
couplings are disconnected.
Never leave the machine with engine running and
key inserted.
Before shutting down the engine or leaving the
machine, lower the bucket to the ground and
open the thumb. It is dangerous to leave the
thumb and bucket in the air with material inside.
Before disconnecting or connecting hydraulic
hoses the engine must be shut down. The ignition
key must be switched to travel position and the
proportional rollers must be shifted right and left.
The control levers must be shifted to all directions
to relieve trapped pressure.
To prevent damage on the components and
structure, a machine fitted with thumb must also
be equipped with a pressure relief valve on the
accessory circuit. Check with your Volvo Dealer
that your machine is properly equipped.
The thumb is only approved for use with Volvo
designed or approved buckets and attachments.
If the thumb is used with other buckets or
attachments, it may not work properly.
If the thumb is not used for some time, disconnect
the hydraulic lines to prevent thumb cylinder drift.
216
Operating techniques
Thumb