Maintenance - WilTec 61336 Operation Manual

MAINTENANCE

General Care
Periodically lubricate the joints and extension screw (P19.1) with a light oil as needed.

Clean the outside of the jack with a dry clean cloth.
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If the jack is exposed to moisture, wipe dry with clean cloth and lubricate as noted above.
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Store jack with extension screw (P19.1) and ram (P19) fully collapsed.
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Purging Air from the Hydraulic System
Air bubbles can become trapped inside the hydraulic system thereby reducing the efficiency of
the jack. Purge the air from the system if lift efficiency drops.
Turn the handwheel 1-1/2 turns counter clockwise.

Connect the air supply hose lock fitting into the air inlet fitting. Open the air valve and work for

a moment to purge the air from the hydraulic system
Turn the handwheel clockwise until snug.

Tool off jack reservoir (P21) as described below.
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Replace the filler plug (P22).
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Oil Replacement
Replace the filler plug (P22).

Completely lower the Ram (P19).

Remove the filler plug (P22)

Fill with high-quality jack oil to the lower rim of the fill hole.

Purge air from the hydraulic system as previously described.

Top off with more hydraulic oil.

Replace filler plug (P22)

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