Jakobsen SJ16 Руководство по эксплуатации - Страница 4
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Печатать страницуThe vertical power feed motor is protected
by a limit switch, No. 1005 , page 16 , stop
ping the wheel head in top position . Further
more is built in a switch, No. 1 006, page 24,
the function of which being to prevent
starting the vertical power feed motor when
automatic downfeed is engaged.
When the machine is erected on the founda
tion, the counter-weight should be unlocked
by removing the bolts D and the traverses;
see page 9.
The left hand side piston rod for the table
cylinder should be reassembled ( see page
21 ). First check that the rod is completely
without burrs or scars; then insert the rod,
thread-end first, into the bronze stuffing-box
582; be careful not to damage scraper-ring.
The left side rod is screwed into the right
hand side rod; use two spanners, one on
each rod.
Mount the table end covers; add jointing
paste to the assembling surfaces.
The right hand side rod is connected to the
end cover, the d isc springs being arranged
as shown on drawing.
B efore operating, fill on oil according to the
lubrication chart page 1 0 . The table- and
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Preparations
Lubrication
saddleways are power-lubricated; the lu
brication pump is shown on page 26 ; it is
energized by the hydraulic system, but cir
cuits for the lubricant and the hydraulic
fluid are separate.
The function is checked through the con
trol glass on top of the saddle; and impulse
should appear at every full cycle of the table.
Moving parts which are not to be lubricated
according to the chart are running in perma -
nently greased, sealed bearings. They should
be lubricated only when parts are disas
sembled for overhaul. This includes the
wheel spindle .
See drawing page 13 .
After oil-filling and preparing the table cy
linder the machine is ready for operation.
Tum table control lever K left ( stop).
Start the hydraulic pump, and read the
pressure gauge; the pressure should be 3 0 0
p. s. i. ( 22 kg/cm
). Pressure may be adjusted
on the hand wheel No. 676, page 25 ( remo
ve front cover).
The table is started by turning lever K clock
wise.
The position of lever M indicates the di
rection of the saddle travel; lever M is con
trolled manually or automatically by the
lever Q and the cross-feed dogs Z.
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