13
ENGLISH
ENG
9. TROUBLESHOOTING TABLE
Trouble
Possible cause
Remedies
The jack does not lift the rated weight.
Descent device open or dirty.
Take the descent device off 3 (Fig. 6). Clean it.
If damaged, replace it. Handle with care.
Cylinder’s gaskets worn out.
Send the jack to the maintenance centre of
your authorized dealer.
Dirty or damaged overload safety valve.
Remove the valve body, clean it and, if
necessary, replace it. Handle it with care.
Due to the pumping action the cylinder
rises but it also descends to the previous
position soon after.
Dirty nonreturn valve.
Send the jack to the maintenance centre of
your authorized dealer.
The cylinder rises just a little after each
pumping.
Leakage in the pumping gaskets.
Remove the pumping body 2 (Fig. 6) housing
the gaskets and replace the latter.
The cylinder does not remain in position. Leakage in the cylinder gaskets.
Remove the cylinder head flange or send the
jack to the authorized dealer.
Lowering valve dirty or worn out.
Remove the valve body 3 (Fig. 6), and clean
it. Handle it with care.
The max. pressure valve is sealed by the
manufacturer. In cases of failures ensuing from
it, send the to the maintenance centre of your
authorized dealer of the OMCN S.p.A.
If problems persist even after applying the above
solutions, contact OMCN S.p.A. and avoid any
non-specific operations.
Only purchase original spare parts. The list
of spare parts is included in this instruction
handbook.
Use only original OMCN spare parts for
maintenance operations. The manufacturer
cannot be held responsible for any damage
caused by the use of unoriginal fittings.
The use of non-original spare parts will instantly
invalidate the warranty.
!
WARNING:
The interventions must be carried
out by technical staff specialized in mechanics
and the hydraulic.
OMCN S
.p.A.
DOCUMENT
GENERIQUE DE DIVULGA
TION: DEMANDEZ LE LIVRET
CORRESPONDANT
SPECIFIQUEMENT
A
L
’AR
TICLE EN VOTRE POSSESSION. DAS IST
EIN
DEMONSTRA
TIVGESAMTDOKUMENT
. BITTE FRAGEN SIE FÜR DIE ENTSPRECHENDE BEDIENUNGSANLEITUNG DES
AR
TIKELS IN IHREM BESITZ.
OMCN S
.p.A.
OMCN S
.p.A.
DOCUMENT
O DIMOSTRA
TIVO GENERALE: RICHIEDERE IL
MANUALE CORRISPONDENTE
ALL
’AR
TICOLO IN VOSTRO POSSESSO. GENERAL
DOCUMENT
AS
A
DEMONSTRA
TION : REQUEST
THE MANUAL
SPECIFICALL
Y ISSUED WITH
THE
AR
TICLE IN
YOUR OWNERSHIP
.
DOCUMENT
O DIMOSTRA
TIVO GENERALE: RICHIEDERE IL
MANUALE CORRISPONDENTE
ALL
’AR
TICOLO IN VOSTRO POSSESSO. GENERAL
DOCUMENT
AS
A
DEMONSTRA
TION : REQUEST
THE MANUAL
SPECIFICALL
Y ISSUED WITH
THE
AR
TICLE IN
YOUR OWNERSHIP
.
