Southbend SOUTH BEND LATHE CO.. SB1024 Manuale Utente

Pagina di 100
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For Machines Mfg. Since 8/09
SB1024/SB1025/SB1026
S E R V I C E
Figure 65. Ball handle, rings, and key removed from 
the cross leadscrew.
Cross Leadscrew
4.
  Remove the four cap screws from the bearing 
housing, then slide it off the leadscrew (see 
Figure 66).
Note:
 It may be necessary to use a dead blow 
hammer or rubber mallet on the housing to 
knock it loose.
Figure 66. Removing the bearing housing from the 
cross leadscrew.
Bearing
Housing
5.
  Loosen the two cap screws on the face of the 
leadscrew nut shown in Figure 67.
Figure 67. Cross leadscrew nut and cap screws.
Cross Leadscrew
Nut & Cap Screws
6.
  Re-install the key back onto the leadscrew so 
that you can use the ball handle in the next 
step.
7.
 
Rotate the adjustment plate on the 
leadscrew nut in small increments, then 
check the amount of backlash.
8.
  When you are satisfied with the adjustment, 
re-tighten the two cap screws.
9.
  Re-install the parts previously removed in 
the reverse order.
Cross Leadscrew Backlash
1.
  DISCONNECT MILL FROM POWER!
2.
  Remove the hex nut and ball handle from the 
cross leadscrew.
Note:
 In the next step, take care not to misplace 
the leadscrew key as you remove the parts.
3.
  Unthread and remove the knurled retaining 
ring, graduated dial ring, and the leadscrew 
key, as shown in Figure 65.