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3.10.5
Extension pipe
An extension pipe makes it possible to spread along a larger distance. The extension pipe can only be
attached to the fixed side of the ram. Only one extension pipe can be used for ram PTR50. The
maximum spreading force will be reduced automatically by 35% to prevent buckling.
3.10.6
Grip head with laser
A grip head with laser allows to highlight the area where the grip head may contact the vehicle. A grip
head with laser can only be placed on the plunger side of the tool.
WARNING
Do not look into the laser beam.
(Class 2 laser product according to DIN EN 60825-1 : 2008-05 l=650 nm P0<0.75 mW)
4
Preparation for first use
4.1
General
•
Examine the equipment for completeness and damage. Do not use the equipment if it is damaged;
in that case contact the Holmatro dealer.
•
Examine the operation of the deadman's handle. when released, the deadman's handle must return
to the neutral position.
•
Before first use, charge the battery pack fully. Refer to section 5.2.
•
Put the battery pack in the battery pack fitting / adapter fitting until the battery pack locks.
•
Examine the battery pack to make sure that the lock mechanism operates correctly.
5
Operation
5.1
System operation
In a battery tool the hydraulic pump is integrated. An electric motor operates the hydraulic pump. The
electric motor is energized by a battery pack or from an external electric power source. This pump
displaces hydraulic oil and can build up pressure. The hydraulic pump is connected directly to the
hydraulic cylinder.
The hydraulic cylinder contains a plunger that can move axially. If the cylinder is filled with oil from the
bottom, the piston moves out. If the cylinder is filled from the top, the piston moves in. The direction in
which the piston moves is controlled by the so-called deadman's handle. The deadman's handle can be
rotated by the user to control the movement. If the deadman's handle is released, it returns
automatically to the neutral position and stops the movement of the tool.
In tools like cutters, spreaders and combi tools the movement of the piston drives a mechanism to make
a cutting or spreading movement.
5.2
Charging the battery pack
•
Read the instructions of the battery charger before you charge the battery pack.
•
Only use one of the prescribed Holmatro battery chargers to charge the battery pack.
•
Best results and longest life of the battery pack are achieved when the battery pack is charged in a
dry environment at a temperature between 18 °C and 24 °C (64 °F and 75 °F).
•
The SOC indicator on the battery pack shows the state of charge of the battery pack.
•
The maximum capacity of the battery pack is achieved when it has been charged and discharged
some times.
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PTR50
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