Jackco Model 66200B Bedienungsanleitung PDF herunterladen (Seite 6)

Caution: To prevent personal injury, all inspection, maintenance, and repair

procedures must be performed when the jack is free of load.

TROUBLESHOOTING

Trouble Cause Solution

Jack does not lift 1. Release valve is open 1.Verify the release valve is

closed by position of handle.

Releasing valve may need

cleaning.

2.Low/no hydraulic uid in

reservoir

2.Fill with approved hydraulic

uid and bleed system

3. Air-locked system 3.Bleed system

4.Load is above capacity of

jack.

4.Use correct equipment

5.Delivery valve and/or bypass

valve not working correctly.

5.Clean to remove dirt or

foreign matter. Replace

hydraulic uid.

6. Packing worn our or

defective

6. Replace packing

Jack lifts only partially 1.Too much or not enough

hydraulic uid

1. Check hydraulic uid level

Jack advance slowly 1.Pump not working correctly 1.Rework pump

2.Leaking seals 2.Replace seal

Jack lifts load, but doesn’t hold 1.Cylinder packing is leaking 1.Replace packing

2.Valve not working

correctly(suction, delivery,

release, or bypass)

2. Inspect valves. Replace if

necessary

3. Air-locked system 3. Bleed system

Jack leaks hydraulic uid 1.Worn or damaged seals 1.Replace seals

Jack will not retract 1. Release valve is closed 1. Open the release valve by

pulling on and turning the

handle clockwise (CW).

Maybe necessary to clean

release valve.

Jack retracts slowly 1.Cylinder damaged internally 1.Send jack to authorized

service center

2.Return spring is damaged 2.Replace return spring

3.Link section is binding 3. Lubricate link sections

1 2 3 4 5 6 7 8

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