Grizzly H8178, Owner'S Manual

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Model H8178 Power Feed
4.
Locate the X-axis lead screw half-nut (see
Figure 4 ).
5. Adjust both cap screws until the handwheel
has approximately 0.003" backlash as shown
by the dial.
Figure 4.
X-axis leadscrew backlash
adjustment.
Lead
Screw
Lead Screw Half-Nut
Milling Table
6. Use the #1 Phillips screwdriver to remove the
four flat head screws from both ends of the
power feed.
7. Carefully slide the motor and mounting plate
from the housing a few inches as shown in
Figure 5 .
8. Carefully slide the circuit board and vent
cover from the housing a few inches as
shown in
Figure 5 .
Figure 5. Power feed breakdown.
Figure 6. Cap removal.
10. Use a 5mm hex wrench, remove the two end
plate retaining cap screws (
Figure 6
).
11.
Thread the cap screws into the power feed
mounting holes (
Figure 7 ), and in an alternat-
ing fashion, tighten the screws to remove the
table end plate.
Figure 7. End plate removal.
Half-Nut Cap Screws
Circuit Board Motor and Mounting Plate
9. Using a standard screwdriver, pry the
leadscrew dust cap off (
Figure 6
).
End Plate
Retaining
Cap Screw