Jakobsen SJ24, Руководство по эксплуатации

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SJ 24
Hydraulic rapid crossfeed
The hydraulic rapid cross movement is started by turninc
the crossfeed control lever (25) fully to the rig�t.
The direction is chosen with crossfeed reversing lever (36).
NOTE:
The cross cylinder is cleared of air by placing the cross
trip dogs (35) in their extreme position and let the saddle
bottom 5 - 6 times in both ends at low speed, using the
rapid cross movement, Whenever the motions becomes jerky or
unstable this de-airing operation should be performed.
MANUAL CROSSFEED
8
When the manual crossfeed handwheel (40) is to be used: place the
cross trip dogs (35) in their extreme position and run the
saddle towards the column, using the hydraulic rapid crossfeed;
leave the- pump running\ when changing again to hydraulic cross
feed the cross saddle must manually be turned to i 1S inside
position whereafter the saddle can be moved outwards hydraulical­
ly by changing direction of the crossfeed reversing lever.
FINE CROSS FEED KNOB
The manual cross feed is equipped wi tha. worm gearing for fine
adjustment, The worm is engaged by loosening the screw (37)
and turn the bushing (38) until the worm is put in gear,
whereafter the screw (37) is tightened again. The fine cross
feed knob ( 39) is gratuated in O, 002 mm C. 0001" L
When the adjustment screw is engaged the handwheel cannot be
used.
VERT! CAL FEED
Hydraulic Automatic Downfeed.
The built-in automatic downfeed control consists in two units:
1) Multiple revolution selector (41)
2) The downfeed handwheel (42) with
adjustable dial (43), engaging
lever (45) and downfeed increment
adjusting knob (46)