Adding Oil; Changing Oil - ATD Tools ATD7421 Manual De Piezas E Instrucciones De Funcionamiento

OPERATION
Raising the Ram Plunger
1. Assemble handle, ensure that spring clips align with slots.
2. Place vehicle in park, with emergency brake on and wheels securely chocked to prevent inadvertent vehicle
movement.
3. Close release valve by turning handle clockwise until firm resistance is felt.
NOTICE: Always use the provided pump handle. The handle furnished with this jack will safely engage the release
valve and operate the Handle Sleeve. If handle is worn, operates abnormally, or will not positively engage the release
valve, discontinue use of the jack until a factory replacement handle can be acquired.
4. Verify lift point, center jack saddle under lift point.
!
WARNING: Never wire, clamp or otherwise enable the lift control valve to function by other than operator's
hand. Do not attempt operating pump by air and by handle simultaneously.
5. Squeeze the lift control valve or insert handle into handle sleeve and pump to contact lift point. To lift, continue
pumping until load reaches desired height.
6. Immediately transfer the load to a pair of appropriately rated jack stands.
NOTICE: Do not use extensions on air hose or operating handle.
Lowering
!
WARNING: Clear all tools and personnel before lowering load. Open release valve slowly. The further handle
is turned counter-clockwise, the faster the load will descend. Maintain control of the load at all times.
1. Raise load high enough to clear the jack stands, then carefully remove jack stands.
2. Slowly turn the handle counter-clockwise, but no more than 1/2 turn. If the load fails to lower:
a. Use another jack to raise the vehicle high enough to reinstall jack stands.
b. Remove the affected jack and then the stands.
c. Lower the load using the functioning jack.
3. After removing jack from under the load, push ram and handle sleeve down to reduce exposure to rust and
contamination.
MAINTENANCE
NOTICE: Use premium quality hydraulic jack oil. Avoid mixing different types of fluid and NEVER use brake fluid,
turbine oil, transmission fluid, motor oil or glycerin. Improper fluid can cause premature failure of the jack and the
potential for sudden and immediate loss of load.

Adding oil

1. With ram plunger fully lowered and pump piston fully depressed, set jack in its upright, level position. Remove air
vent screw/filler plug.
2. Fill with oil until just below the rim of the

Changing oil

For best performance and longest life, completely replace the fluid supply at least once per year.
1. With ram plunger fully lowered and pump piston fully depressed, remove the air vent screw/filler plug.
2. Lay the jack on its side and drain the fluid into a suitable container.
NOTICE: Dispose of hydraulic oil in accordance with local environmental regulations.
3. Fill with oil until just below the rim of the
air vent screw/filler plug
air vent screw/filler plug
4
hole. Reinstall the air vent screw/filler
hole. Reinstall the air vent screw/filler
plug.
plug.