Boom Ram (continued)
6. Install the collar and then the 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 tension.
7. Connect the greasing tube.
Note: Stroke the ram and release entrapped air. After
releasing the air, check for oil leakage.
74 - 5
Section E
Hydraulics
9803/6400
Section E
74 - 5
Issue 2*
Hydraulic Rams
3mm
*
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