54
GB 16 04
FAULT
Boom slow/eradic.
Ram not functioning.
PROBABLE CAUSE
Air in system
Regulation valve incorrectly set
Insufficient hydraulic pressure
Insufficient amount of oil in
tractor reservoir
Restrictor or regulation valve
blocked
CONTROL/REMEDY
Loosen ram connection and activate hydraulics
until oil flow has no air in it (not whitish).
Open or close until desired speed is achieved
(clockwise = less speed).
Remember oil must be at operating tempera-
ture.
Check output pressure of tractor hydraulics.
Minimum for sprayer is 130 bar.
Check and top up if needed.
Secure boom with “S” hook.
Dismantle and clean.
Hy
Hy
Hy
Hy
Hydr
dr
dr
dr
draulic sy
aulic sy
aulic sy
aulic sy
aulic system
stem
stem
stem
stem
FAULT
Operating unit not function-
ing
PROBABLE CAUSE
Blown fuse(s).
Wrong polarity.
Valves not closing properly.
No power.
CONTROL/REMEDY
Check mechanical function of micro-switches.
Use cleaning/lubricating agent if the switch
does not operate freely.
Check motor. 450-500 milli-Amperes max.
Change motor, if over.
Brown - pos. (+). Blue - neg. (-).
Check valve seals for obstructions.
Check micro-switch plate position. Loosen
screws holding plate a
1
/
2
turn.
Wrong polarity. Check that brown is pos. (+),
Blue is neg. (-).
Check print plate for dry solders or loose
connections.
Check fuse holder are tight around fuse.
EC Oper
EC Oper
EC Oper
EC Oper
EC Opera
aa
a
ating unit
ting unit
ting unit
ting unit
ting unit
Summary of Contents for MARRO TWIN FORCE 1000
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