TM 9-4910-683-14&P
1-66.
Switch on lathe at Switch (201).
Rotate Graduated Dials (144) clockwise .003" and tighten Sot. Hd. Cap. Screws
1-67.
(137).
1-68.
R e p e a t s t e p s 1 - 5 8 a n d t h e n p l a c e F e e d C o n t r o l H a n d l e i n the top half of the
Finish Cut Range (188).
1-69. W h e n t h e T o o l B i t s l e a v e t h e r o t o r , t h e r o t o r s h o u l d h a v e a s m o o t h a n d a c c u -
rate finish.
1-70.
Switch off Drive Unit at Switch (173).
Switch off lathe at Switch (201).
1-71.
The above procedure is for instruction purposes and is not necessarily correct
1-72.
in all cases. Rotor condition determines proper depth of cut, spindle RPM and cross
slide feed. As the operator gains experience with his machine, he will be able to make
the proper settings for maximum performance, efficiency and accuracy.
1-73.
MAINTENANCE
PROCEDURES
1-74.
Lubrication
a.
M a i n b e a r i n g s ( 3 ) a n d ( 4 ) . Apply a few drops of SAE #10 oil in both Head Oilers
(5) daily.
b,
L e a d S c r e w ( 8 6 ) a n d L e a d S c r e w N u t ( 8 8 ) . Apply a few drops of SAE #10 oil
daily in Oiler (84).
c.
Cross Slide (102). Apply a few drops of SAE #10 oil on Cross Slide Screw (106)
and between Graduated Collar (115) and Plate (112) daily.
d.
G e a r Box. Maintain the oil level in the center of End Oil Window (33) with
SAE #90 gear oil. Add oil by removing Vented Plug (6). C A U T I O N : D o n o t
fill higher than top of oil Window (33). Drain oil every 500 running hours by
removing Drain Plug (7).
e. Apron Ways. Move Apron (92) to extreme out position, wipe away all dirt or
cutting particles and apply several drops of SAE #10 oil to all exposed surfaces
of the dovetail ways. Move Apron (92) in opposite direction and repeat above
procedures. Perform weekly.
f.
Cross Slide Ways. Back out Cross Slide (102) to extreme out position and wipe
the dovetail surface clean and apply SAE #10 oil weekly.
Wipe machine free of dust and cutting particles with oil rag daily.
1-75
Tooling. The CB-6 and CB-12 Tool Bits have disposable cutting tips. Loosen
the slotted screw and rotate to the next cutting edge when necessary. When all three
edges are worn, flip cutting tip over and repeat procedure on next three cutting edges.
When all edges are worn, discard cutting tips and replace.
1-76.
The CB-35 Tool Bit has a carbide cutting tip that is sharpened to a 1/32 inch
radius with a 6 degree clearance angle.
(5)