12
Forks moving unevenly
(more than 4%)
Forks not moving in unison
A piston seal is leaking
Replace the piston with the
leaking seal
The hydraulic hoses have
been wrongly connected
Connect the hoses as
indicated in chapter on
‘Assembly’
The length of the piston
rods is unequal
Install piston rods of equal
length
Flow of hydraulic oil is not
between 8-25 L/min
Please contact your sup-
plier.
Dirt in the sleeve(s)
Dismantle sleeve and
remove dirt
Flow divider is damaged
Replace flow divider
One or both sleeves move
without being operated
The control valve is leaking Inform your forklift supplier.
There is air in the hydraulic
system
Bleed the system
A piston seal is leaking
Replace the piston with the
leaking seal
One sleeve remains station-
ary during retraction then
suddenly retracts quickly
Clamping bush(es) broken
Replace the clamping
bush(es)
One of the sleeves fails to
retract
Difference in length be-
tween the sleeves
Stroke length difference
Piston rods are not same
length.
Please contact your sup-
plier.
Loose piston
Dismantle outer fork,
remove hydraulic set from
fork and tighten piston (70
Nm)
Difference in height be-
tween forks
One fork point hangs lower
than the other
One of the KOOI-REACH-
FORKS® has been perma-
nently deformed as a result
of overloading.
Remove KOOI-REACH-
FORKS® from carriage
immediately and contact
supplier
One of the KOOI-REACH-
FORKS® is not hanging on
the carriage plate
Hang the KOOI-REACH-
FORK® properly onto the
carriage plate (check lock-
ing mechanism)
Carriage plate is not com-
pletely horizontal
Please do contact your
forklift truck supplier.
The forks do not match
(forks belong to different
sets)
Check serial Nºs.
Wear strips on one KOOI-
REACHFORK® are more
worn than the other
Replace wear strips
Excessive play between
fork blade and sleeve
Wear strips worn out
Sleeves worn out
Replace sleeves
