7
MAINTENANCE
Before each use, inspect press for damage. Do not use if bent, broken, cracked, leaking or otherwise damaged
components are noted. Periodically, lightly oil all moving parts, including the pump piston and ram.
Adding/Changing oil to bottle jack
For Bottle Jack models Atd-7452, Atd-7453 & Atd-7454:
Important: Use only good grade hydraulic jack oil. Avoid mixing different types of uid and NEVER use brake uid,
turbine oil, transmission uid, motor oil or glycerin. Improper uid can cause premature failure of the jack and the
potential for sudden and immediate loss of load. Mobil DTE 13M or equivalent recommended.
For best results, change uid once a year.
1. Remove jack from press frame.
2.
With ram fully lowered and pump piston fully depressed, set jack in its upright, level position. Remove oil ller plug.
3. Drain used uid into a suitable container
Note: Dispose of hydraulic oil in accordance with local regulations.
4. Fill until oil is level with or just below ller plug hole.
For hand Pump model Atd-7455:
1. Depressurize and disconnect hydraulic hose from application.
2. Remove oil ller screw located on top of the reservoir.
3. Pour used uid into a sealable container.
Note: Dispose of hydraulic uid in accordance with local regulations.
4.
With pump in its upright, horizontal position, use a small funnel to ll reservoir to within 1/4” (6 mm) of the opening.
5. Wipe up any spilled uid and reinstall the vented oil ller screw.
Rust prevention
Check ram and pump piston for signs of rust on a regular basis. Clean as needed with a lint free, oil saturated cloth.
Never use sandpaper or abrasive material on these surface.
How to remove faulty coupler:
If ram does not retract: Depressurize pump and hose, then remove the ram from application. Disconnect and
replace with new coupler.
Important: Do not attempt to grasp ram with pliers or wrench without rst wrapping the jaws of such tool with rags
or similar padding.
Figure 6 - Illustration to bleed air from system
How to bleed air from system:
1. Place pump at a higher elevation than the hose and ram as
shown in gure 4.
2. Operate pump to fully extend and retract the ram 2 or 3 times.
The objective is to force the air bubbles up hill and back to the
pump reservoir.
3. To bleed the air from pump reservoir, simply open the oil ller
screw. Re-install after bleeding.
!
The hydraulic power unit provided with this device is intended to be used as an integral part of this press and
not as a stand-alone jacking device separate of the press. Never use the hydraulic power unit provided with
this press for any purpose other than that for which it is intended.
such as a load cell w/ digital indicator. Whatever means is chosen, the load measuring means shall be calibrated
annually.
!
Unlike presses equipped with a separately mounted pump, the power unit on this press can not
be equipped with a pressure gauge, therefore monitoring the load must be done by other means,
