Jackco Model 770 Bedienungsanleitung PDF herunterladen (Seite 4)

IMPORTANT : Dirt is the greatest single cause of failure in hydraulic units. Keep

the jack clean and well lubricated to prevent dirt/debris from entering the system.

If the jack has been exposed to rain, snow, sand, or grit, it must be cleaned

before it is used.

1. Store the jack in a well-protected area where it will not be exposed to corrosive

vapors, abrasive dust, or any other harmful elements.

2. Regularly lubricate the moving parts.

3. To check the oil level, place the jack on level ground lower the lift arm

completely. Remove the ll plug. The oil level should be within 3/8” of the ller

plug hole. Do not overll. If necessary, add approved anti-wear hydraulic jack oil,

and install the ller plug again.

IMPORTANT : The use of alcohol, hydraulic brake fluid or detergent motor oil

could damage the seals and result in jack failure.

4. Inspect the jack before each use. Take corrective action of the following

problems are found:

a . Cracked or damaged housing

b . Excessive wear, bending, or other damage

c . Leaking hydraulic uid

d . Scored or damaged piston rod

e . Malfunctioning swivel heads or adjusting screws

f . Loose hardware

g . Modied or altered equipment

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Jackco Model 770 Bedienungsanleitung Seite 4