CLAUSING 1300 Series - Half Nut Lever; Tailstock; Power Feed Lever; Thread Dial

POWER FEED LEVER
This lever controls the operation
of both power longitudinal feed and
power cross feed. Lever has three
positions: center, (neutral) for hand
feeding, to the right and down (C)
engages power cross feeds, to the
left and up (L) engages power lon
gitudinal feeds
To maintain the accuracy of the thread dial, loosen
clamp screw and swing thread dial away from lead
screw when not threading.
When cutting even numbered threads (such as 12, 14,
16, 32, etc., per inch), engage the half nut leverfor
the first cut and all successive cuts when the sta 
tionary mark on the outside of the threading dial is
in line with any of the marks on rotating portion of
the dial. Any dial marking may be used for succes 
sive cuts.
B
K
1
FIGURE 11
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When cutting odd numbered threads (such as 7, 9,
11, 23, 27, etc., per inch), engage the half nut lever
for the first cut and all successive cuts when the
stationary mark on the thread dial is in line with any
of the numbered marks on the dial.
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o
■
For all fractional threads (such as 4.5, 5.5, 5.75,
etc., per inch) engage half nut lever for the first cut
on either odd number mark (1 or 3), use the same
number for all successive cuts.
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BED CLAMP
LEVER
RAM LOCK
LEVER
/
POWER FEED
LEVER
HALF NUT
LEVER
THREAD
DIAL
FIGURE 12
NOTE: The power feed lever and the half nut lever
are interlocked; half nuts must be disengaged (half 
nut lever in down position) before power feeds can
be engaged.
LOCK
STUD
HALF NUT LEVER
Half nut lever engages half nuts with lead screw for
threading. Lift lever to engage half nuts, lower lever
to disengage. NOTE: Interlock prevents engaging
half nuts and power feed at the same time. IMPOR
TANT: Never use half nuts for power feeds. Using
half nuts for threading only will maintain the accur 
acy of the lead screw.
FIGURE
TAILSTOCK
Tailstockis quickly locked in position by bed clamp
lever. An auxilliary lock stud is provided for heavy
duty drilling.
*
Handwheel is equipped with graduated feed dial for
accurate drilling. Ram taper has tang slot.
The tailstock may be set-over for taper turning by
loosening the bed clamp and adjusting set-over screws
on front and rear of base.
THREAD DIAL
The thread dial, located on the
right side of apron, indicates
when to engage the half nuts so
the threading tool will follow the
same groove of the thread on each
successive cut.
\ C /
- k . o —
*
/ i \
CAUTION: BEFORE INSERTING CENTER OR
TOOLS, CLEAN BOTH TAPERS THOR 
OUGHLY WITH A CLEAN DRY CLOTH.
FIGURE 13
10
1300