15
ENGLISH
ENG
10. TROUBLESHOOTING TABLE
Trouble
Possible cause
Remedies
The jack does not lift the rated weight.
Dirty or damaged lowering device.
Unscrew the lowering device, clean it with
care and check its efficiency. If damaged,
replace: REF. 38-40-41-51-58.
Cylinder’s gaskets worn out.
Send the equipment to the maintenance
centre of your authorized dealer.
Dirty or damaged overload safety valve.
Send the equipment to the maintenance
centre of your authorized dealer.
After the pumping, the equipment rises,
but lowers down to the previous position
soon after.
Check valve dirty or damaged.
Dismount the valve and clean it with
compressed air. Handle it with care REF. 11-
12-13-15-58.
The stem rises very little after each
pumping action.
The gaskets of the pumping unit have
yielded.
Remove the pumping unit body that houses
the gaskets and replace the latter: REF. 58.
Lack of oil in the tank.
Add oil into the tank through the plug hole,
as indicated in the “routine maintenance”
chapter.
The stem does not remain correctly and
firmly in place.
The cylinder gaskets have yielded.
Send the equipment to the maintenance
centre of your authorized dealer.
Dirty or damaged lowering device.
Unscrew the lowering device, clean it with
care and check its efficiency. If damaged,
replace: REF. 38-40-41-51-58.
Speed is too high during the lowering run. Lowering valve out of calibration or
failing to operate.
Remove the valve; carefully clean it with
compressed air. Handle with extreme care:
REF. 48-49-50.
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
.
