Holder C-Trac 4.74 - Manual (Page 109)

C 4.74
Operating instructions
108 149 443
Operating the implements
2 1
Bild_C191
4 3
Bild_C192
Operating priority flow valve II*
Priority flow valve II is used to drive the servo motor in an
implement with a variable hydraulic power demand, for ex-
ample, salt spreader, hedge cutter, etc. The working speed
can be set independently of the vehicle engine speed. The
priority flow valve is fed by the tandem working pump and
set at the rear of the vehicle.
- Connect the hydraulic hoses of the implement to the
red quick couplings for the drive (1) and return line (2)
at the rear of the vehicle.
- Turn on the main switch (4) for working hydraulics.
ATTENTION
Press button (3) only at low engine speed.
- Press button (3). The red LED will come on.
ATTENTION
Slowly increase the speed of the engine.
* Option