Diamond Products Core Bore Manuel - Page 8

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savings in cost on each Bit after initial cost.
2. If core becomes lodged in the Bit, removing the Ex
pansion Adaptor makes core removal
Installing Open End Bit Expansion Adaptors
1. Screw 3-piece Expansion Adaptor 2 full turns onto
Drill Spindle.
2. Slide Open End Bit up to the top shoulder of the
Expansion Adaptor and turn with hands until snug.
3.
Tighten in place with a strap wrench.
Installing Bit
Extension
Rods
In order to drill deeper than the
13 inch long Bit will allow, Bit
Extension Rods mustbe used.
Drilling rate will be slower
because of the extra amount of
drag on the Bit
walls.
Note: When it is necessary to
raise the Drill Bit above

Maintenance Instructions

Warning:Make sure Machine is unplugged from power source before
making any
Note:
If any
maintenance
Machine to a Service Center or
Lubrication
Keep
a
light coating
of oil on rack and pinion and
Spindle.
Ventilation
Keep
Drill Motor
inlet
and air passage
Motor Brush Replacement
Check Motor
Brushes
length.
Wiring Diagram {115V, 60 Hz)
Machine Storage
Motor driven equipment must
Vacuum
Seal from
Base
Bit Replacement
easier.
adjustment.
is required other
return it
clear
to assure
every 200 hours
and
be
stored
indoors or well covered
of
Machine.
than that
listed below, take
to
factory.
Drill
proper
Motor
ventilation.
replace
when
Brushes become 1/4 inch or less
in
rainy weather. Always remove
8
Core Bore Drilling
in