jcb JS200 Service Manual page 348

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Dipper Ram(continued)

Install the pin, bolt and nuts. When checking or refitting

JS machine pivot pins, the retaining nuts and bolts

should not be fastened up tight but must have

approximately 3mm of play so that the pin is free from

Note: Stroke the ram to release entrapped air. After releasing

the air, check for oil leakage.

Hydraulic Rams

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Js210 Js220 Js240 Js260