
4
MAINTENANCE
Important:
Use
RQO\
JRRG
JUDGH
K\GUDXOLF
MDFN
oil. Avoid
mi
[LQJ
GLIIHUHQWW\SHVRIIOXLGDQG1(9(5XVHEUDNHIOXLG
tu
UE
ine oil, transmi
VVLRQIOXLGPRWRURLORUJO\FHULQ,PSURSHU
fluid can cause premature failure of the
M
ac
N
and the potential
for sudden and immediate loss of load.
:H
recommend
0RE
il
'7(
13M or
HTXL
valent.
3HULRGLFDOO\
FKHFN
for
OHDNV
at air connect
LRQV5HSODFH
connections as needed.
Adding oil:
1.
:LWK
saddle
IXOO\
lowered, set
MDFN
in its
XSULJKW
level
position.
5HPRYH
oil filler screw.
)LOOXQWLORLOLVOHYHOZLWKWKHILOOHUKROHVFUHZUHLQVWDOO
oil filler screw.
Changing oil:
For
EHV
t performance and
ORQJHV
t life, replace the complete
IOXLGVXSSO\DWOHDVW
once per
\HD
r.
1.
:LWK
saddle
IXOO\
lowered, set
MDFN
in its
XSULJKW
level
position.
5
emove the oil filler screw.
/D\
the
MDFN
on its side and drain the
fluid into a suitable
container.
Note:
Dispose of
K\GUDXOLFIOXLG
in accordance with local
re
JX
lations.
6HWMDFNLQLWVOHYHOXSULJKWSRVLWLRQDQGILOOZLWKRLOXQWLO
MXVWEHORZWKHULPRIWKHILOOHUKROH
4.
5HLQV
tall the oil filler screw.
Lubrication:
1. A periodic
FRDWLQJ
of
OLJKW
OXEULFDWLQJ
oil to pivot points,
a
[
les and hin
JHV
will help to prevent rust and assure
that wheels, casters and pump
DVVHPEOLH
s move freel
\
.
:
hen used on a dail
\
EDVLV
WHK$7'$
should
EH
internall
\
lu
E
ricated
EHIRUH
each use. Use o
QO\JR
od
TXDOL
t
\
air tool
OXEULFD
nt. If no inline oiler is used, pour a
teaspoon of air tool oil into the inlet of the air
VXSSO\
inlet.
6LPSO\
operate the
MDFN
XVLQJ
the air feature in
order to
IXOO\
GLVWULEXWH
the oil.
Cleaning:
3HULR
dicall
\
chec
N
the ram
IRUVLJQV
of rust or corrosion.
Clean as needed and wipe with an oil
\
cloth.
Note:
Never use sandpaper or
DEU
asive material on
Purging air from the hydraulic system:
$LUFDQDFFXPXODWHZLWKLQDK\GUDXOLFV\VWHPGXULQJ
VKLSPHQWRUDIWHUSURORQJHGXVH7KLVHQWUDSSHGDLUFDXVHV
WKHMDFNWRUHVSRQGVORZO\RUIHHOVSRQJ\8VHWKHVWHSV
EHORZWREOHHGWKHV\VWHP
3XPSWKHMDFNWRWKHKLJKHVWSRLQWZKHUHWKHILUVWDQGWKH
VHFRQGSLVWRQUDPVDUHERWKDWPD[LPXPKHLJKW
*HWWKHKHOSRIDQRWKHUSHUVRQWRNHHSWKHUHOHDVHSHGDO
GHSUHVVHGDQGDFWLYDWHWKHIRRWSHGDODERXWWLPHV
/HWJRRIWKHUHOHDVHSHGDOWKHDLULQWKHRLOV\VWHPVKRXOG
EHEOHGVXFFHVVIXOO\
To bleed the air in the second cylinder:
/RFDWHWKHDLUEOHHGHUVFUHZDWWKHWRSQXWZKLFKLVRQWKH
top of the first piston rod.
3XPSWKHMDFNWRLWVPD[LPXPKHLJKW8VHDQDOOHQVRFNHW
ZUHQFKWRORRVHQWKHDLUEOHHGHUVFUHZIRUQRPRUHWKDQ
WZRWXUQV3XVKWKHVDGGOHDVVHPEO\GRZQZDUGWR
IRUFHWKHDLULQWKHF\OLQGHURXWXQWLOQRWKLQJEXWRLOGUDLQV
RXWRIWKHEOHHGHUKROH
7LJKWHQWKHEOHHGHUVFUHZDQGGRXEOHFKHFN,WPD\EH
QHFHVVDU\WRUHSHDWWKHDERYHVWHSVVHYHUDOWLPHV
Storage:
:K
en not in use, store the
MDFN
with saddle in lowest
position and air
VXSSO\
disconnected.
TROUBLESHOOTING
Possible Causes
Corrective Action
-DFN
will not lift load
Jack bleeds
after lift
-DFN
will not lower after unload
in
J
3R
or lift performance
:LOO
not lift to full
H[WHQVLRQ
Air
VXSSO\
LQDGHTXDWH
+\GUDXOLF
unit malfunction
Overload condition
+\GUDXO
ic unit malfunction
5HVHU
voir overfilled
/
in
N
a
JH
E
indin
J
Fluid level low
Fluid level low
(Q
sure ad
HT
uate air suppl
\
Contact Tech.
6HUYLFH
5
eme
G\
overload condition
Contact Tech.
6HUYLFH
Drain fluid to proper level
Clean and lu
E
ricate movin
J
parts
(QVXUH
proper fluid level
(QVXUH
proper fluid level
Symptom
these surfaces