ATD Tools 7434A, Руководство пользователя, Страница: 4 / 8

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
WZRƒWXUQV3XVKWKHVDGGOHDVVHPEO\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