Page 28 - Parker - L90LS Mobile directional control valve

Catalogue HY17-8504/UK Mobile Directional Control Valve
Spool Actuators L90LS

Lever bracket [51] L0
L1 Lever-bracket for directly operated spool actuators with L1 20°
enclosed spool-ends, e.g. CH, and for remote-controlled 20° L * = P–A B–T
spool actuators that have facility for supplementary local L2
lever for direct control, e.g. ECH.
20°
In addition to the normal lever-attachment angle, L1, the L3 A B
lever bracket is available in 8 other angles, designated
L0 to L8 (see figure opposite). In the L4 variant, for 20°
instance, the lever is mounted parallel with the spool.
L4
20°
L5
20°
L6
20°
L7 20°
L8
Lever brackets L can be given different attachment angles.

B
Pilot restrictor [55 A, B]
To give gentle control characteristics, remote-controlled spool
actuators with enclosed spool-ends are fitted with pilot restric-
tors, which can be chosen individually for each service port. The
restrictor gives a kind of ramp function.
Restrictors from 0.45 to 2.0 mm available.
As standard 0,8 mm is recommended.
A

Pilot restrictor.

28 Parker Hannifin
Mobile Controls Division Europe
Borås, Sweden