Installation
Ultima Hooklift 01/2020
29
4.3 Hydraulic connections ULTIMA BASE
Connect the suction hose from oil tank to pump with 2 ½” suction hose. 3” hose is recommend-
ed if pump size is 30 gal/min or larger. Keep the length of the hose as short as possible and
install the oil tank higher than the pump. It is recommended to use a ball valve MU113273501
G2” or MU113273502 G2 ½” under the oil tank.
Connect the pressure line from the pump to the P port (R3/4”) of the control valve of the hook-
lift with 3/4” high pressure tube. Use also a high pressure hose size 5/8” or 3/4” L=20” in be-
tween as a vibration damper. The high pressure filter is installed between the pump and the
control valve. The pressure filter is obligatory in Flex & Pro hooklifts and highly recommended
in Base hooklift.
Connect the return line from control valve (R1”) to the return filter and keep the return line as
straight and short as possible to avoid unnecessary warming of oil. The diameter of the tube is
1” and the diameter of the hose is 1”.
In a heavy use (more than 30 platform changes a day), or hot working environment an oil cool-
er is recommended. See C-Service, Hiab accessories.
Pressure line
3/4” tube and 5/8” or 3/4” hose
as vibration damper.
Pressure class >30 MPa
Suction
hose 2½”
ULTIMA BASE
Return line
1” tube
and/or
1” hose
Pressure
filter
Ball
valve
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