Lukas PO-4 - Manual (Page 6)

6
6.3 Electric control
The 3-step switch is located on the side of the plastic housing.
-
Top position - position I the motor is started.
- Centre position - position 0 motor standstill.
- Bottom position - position II the electronic equipment is started, the motor, however, is not
switched on, but will be started via the remote control.
6.4 Thermostat
The power pack is equipped with a thermostat, which protects the motor against too high
temperatures by switching it off to avoid damages. After a cooling down phase, the motor is
automatically restarted.
7 Preparations and Putting into Operation
7.1 General
Unpack the hydraulic pump, check the completeness of the delivery.
The hydraulic power packs are delivered with oil filling (LUKAS-oil HLP 10).
7.2 Venting of power pack during operation
Before commissioning the power pack the oil filler and venting screw has to be opened by 2 to 3
turns for venting the oil container.
For refilling and new filling of the oil tank, remove the oil filler screw on the tank cover and fill in the
hydraulic oil.
Prior to first putting into operation and after repair works the hydraulic system must be vented (see
item 7.3).
For transporting close venting screw.
7.3 Venting of power pack
7.3.1 Type NA
Close connection A (item 10 fig. 10). Open drain valve (see fig. 1).
7.3.2 Type N3/N4
Close pressure connections A and B (see fig. 10).
Valve in centre position 0 (see fig. 2).
7.3.3 General
Start the motor approx. 10 times for a short time and switch it off again, so that the motor only runs
at low speed. The motor must be brought to a standstill before restarting.