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Model G0757Z (Mfd. Since 02/15)
10. Add ISO 68 oil or equivalent to horizontal
spindle and arbor support ball oilers (refer to
Ball Oilers, beginning on Page 47).
11. Install cutter(s) and spacers on arbor in such
a way that last spacer is inside brass bushing
and arbor threads are fully exposed as you
slide arbor support back onto ram dovetail
ways (see Figure 31).
12. Secure arbor support by retightening support
locking bolt.
13. Secure arbor assembly with right-hand arbor
nut (see Figure 31).
Figure 31. Horizontal arbor and cutter installed.
Tooling
Brass
Bushing
Right-Hand
Arbor Nut
1. DISCONNECT MACHINE FROM POWER!
2. Open column rear cover to gain access to
rear of horizontal spindle.
Note: Opening the column rear cover acti-
vates interlock safety switch.
3. Remove arbor nut from arbor, then remove
arbor support from ram dovetail ways.
Note: Make sure drawbar has at least three
threads engaged with arbor in next step to
avoid damaging drawbar threads or arbor.
4. Loosen drawbar a couple of turns. Then tap
end of drawbar with a brass hammer to knock
taper loose between spindle and arbor.
5. Support arbor with one hand, then completely
unthread drawbar from arbor.
6. Remove arbor.
7. Re-install arbor support and properly position
and secure ram for next operation.
8. Close and secure column rear cover.
Note: Failure to secure the column rear cover
will leave interlock active, and mill will not run.
Removing Horizontal Spindle Tooling
14. Close and secure column rear cover.
Note: Failure to secure the column rear cover
will leave interlock active, and mill will not run.