
4 ” Z 1 C O R E D R I L L
7
MACHINE COMPONENTS
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The main components of the 4”Z1 are the spindle, gearbox and motor. Optional
drilling rig consists of a carriage, stand and base. The spindle is driven by the
transfer case and the motor.
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These components must be not be removed except by a qualified technician.
Power must be disconnected prior to any service.
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If using the optional drilling rig, this machine has one primary adjusting point
for the travel between the drill carriage and the drill stand. The main way to
increase or decrease the users ability to move the drill by hand is with this
system. These are the black hex bolts on the side and back of the machine
that have a locking nut around them. These are generally used to tighten up
the travel as the slides wear over time. Be mindful to evenly adjust these so
that the travel is even and smooth. The ideal travel generally keeps the drill in
place when the user is not using the drill (this is usually on the tighter side)
although individual users needs may vary. The side black carriage bolt can
also be used for temporarily locking the carriage in place.
MACHINE MOUNTED IN OPTIONAL DRILLLING RIG
1) Top Bolt for Binding in Ceilings
2) Motor End Cap Level
3) Motor “On” Hold Button
4) Drill Motor
5) Drill Carriage
6) Motor On/Off Switch
7) Gearbox
8) Feed Handle
9) Water Valve
10) Drill Stand
11) Coring Bit (not included)
12) Stand Leveling Bolts
13) Stand Base
14) Gear Shifter
15) Gear 1
16) Gear 2
17) C Clamp Assembly