Maintenance; Troubleshooting - ATD Tools 7434A Owner's Manual

MAINTENANCE

Important: Use
mi
tu ine oil, transmi
fluid can cause premature failure of the ac and the potential
for sudden and immediate loss of load.
il 13M or valent.
for
connections as needed.
Adding oil:
1. saddle lowered, set
position. oil filler screw.
oil filler screw.
Changing oil:
For t performance and
once per
1. saddle lowered, set
position. emove the oil filler screw.
the on its side and drain the fluid into a suitable
container.
Note: Dispose of
re lations.
4. tall the oil filler screw.
Lubrication:
1. A periodic of
a les and hin will help to prevent rust and assure
that wheels, casters and pump
hen used on a dail
internall lu ricated
t air tool nt. If no inline oiler is used, pour a
teaspoon of air tool oil into the inlet of the air
inlet. operate the
order to

TROUBLESHOOTING

Symptom
will not lift load
Jack bleeds after lift
will not lower after unload
in
or lift performance
not lift to full
oil. Avoid
recommend
at air connect
in its
t life, replace the complete
r.
in its
in accordance with local
oil to pivot points,
s move freel .
should
each use. Use o
the air feature in
the oil.
Possible Causes
Air
Overload condition
ic unit malfunction
voir overfilled
in a
Fluid level low
Fluid level low
Cleaning:
dicall chec the ram
Clean as needed and wipe with an oil cloth.
Note: Never use sandpaper or
these surfaces
Purging air from the hydraulic system:
level
level
To bleed the air in the second cylinder:
top of the first piston rod.
Storage:
en not in use, store the
position and air
od
unit malfunction
Contact Tech.
Contact Tech.
Drain fluid to proper level
indin
Clean and lu ricate movin parts
4
of rust or corrosion.
asive material on
with saddle in lowest
disconnected.
Corrective Action
sure ad uate air suppl
eme overload condition
proper fluid level
proper fluid level