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Hydrajaws Oil Refill: How Too

Connecting and disconnecting Gauges from the Tester body will eventually use up the spare oil capacity and will not allow the tester plunger to travel it’s full stroke or give an accurate reading on the Gauge.

Eventually the plunger will stop at approximately 3mm from the edge and indicate that oil is too low, see diagram.

Any light mineral hydraulic oil will suffice. The important number is ISO Viscosity Grade 32.

NOTE: A tester with a fixed gauge cannot be filled with oil by the operator. Please follow the oil filling instructions in your models instructions manual supplied with the kit.

Oil Refilling a Hydrajaws Tester using a table vice.

Oil Refilling a Hydrajaws Pull-Tester using table vice

 

Oil Refilling a Hydrajaws Tester alternative method.

Oil Refilling a Hydrajaws Pull-Tester using table vice