B - OIL FLOW CONTROL - HYDRAULIC CONTROL VALVE ADJUSTMENT PROCEDURE (FIG. 6.5, 6.6)
a.i.1.a.i.1.
Position a 4 mm "L"-shaped wrench in the adjustment screw,
B U
T
DO NOT L OO
S E N
T HE
S C R E W.
a.i.1.a.i.2.
Position a 15 mm socket wrench in the adjustment screw lock not.
a.i.1.a.i.3.
Holding the "L"-shaped wrench still, loosen the lock nut by about
one turn to release the adjustment screw.
a.i.1.a.i.4.
Turn the adjustment screw clockwise so the screw moves into
the HCV body until the screw can’t turn anymore.
a.i.1.a.i.5.
Turn the 15 mm socket wrench to stop the screw lock nut.
a.i.1.a.i.6.
Open oil flow and check that the hydraulic motor and three-phase
generator are not stopped because the oil flow has completely stopped.
a.i.1.a.i.7.
Position a 15 mm socket wrench in the adjustment screw lock nut
and release it.
a.i.1.a.i.8.
Holding the "L"-shaped wrench still, loosen the lock nut by about
one turn to release the adjustment screw and then turn the adjustment screw
counter-clockwise for approximately one turn.
a.i.1.a.i.9.
Close the screw lock nut and check the revolutions of the three-
phase generator and tension at generator clamps. Description on next page.
a.i.1.a.i.10.
If the values are not correct, repeat the process from step 8 and
take care when turning the adjustment screw.
By turning clockwise , the adjustment screw enters the valve body.
T he
fl ow
of
o i l d e cr
e a s e s un
ti l ro
t a ti on
of
t he
m
o t or
- g e n e ra
t or
s t o p s co
m
pletel
y.
DANGER!
Loosening or tightening of the adjustment screw must be performed with the motor off, i.e.
After every adjustment of the adjustment screw and lock nut has been blocked, it is possible to activate the oil flow to check the motor-
generator revolutions
.
Division: Tecnoter srl
Hyd. Magnet
LQMI
Ver. T
Page 32/38
Rev: 1.0a_En –
15/07/2018