Lukas PO6 - Manual (Page 7)

7
9.1.2 Operation
Each cylinder movement can be controlled by the 4/3-way valve.
Position I (A) Extended position.
Position 0 (Centre position of the oper. lever)
Load holding function with oil flow from P ---> T.
Position II (B) The cylinder is hydraulically retracted.
The valve can be switched from the extended or the retracted position into
the neutral position without pressure losses in the cylinder
(positive overlap in the valve).
10 Preparations and Putting into Operation
10.1 General
Unpack the hydraulic pump, check the completeness of the delivery.
The hydraulic power packs are delivered with oil filling (LUKAS-oil HLP 10).
10.2 Venting of power pack during operation
- 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 10.3).
10.3 Venting of power pack
10.3.1 Type -1E/
Close connection A (fig. 1). Open drain valve (fig. 2).
10.3.2 Type -2E
Close hand wheels item 3 (fig. 3) by turning them to the right and open drain valve item 1 (fig. 3).
10.3.3 Type 1D
Close pressure connections A + B (fig. 1).
Switch valve in centre position 0 (fig. 3).
10.3.4 Venting
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.
11 Options
The equipment described below is not part of the standard scope of supply, but special equipment
which is to be purchased separately.
11.1 Pressure gauges
11.1.1 for type -1E/ -2E MEL 500 MEL 700
Insert the pressure gauge adapter directly into the connection bore A. resp. B. (see fig. 2 and 3)
11.1.2 for type -1D MEG 500 MEG 700
-
Remove screw plug G 1/4" in connection M situated on top of the valve block (see fig. 4)
- Screw in the pressure gauge with the stem.
fig. 4