Adjusting The Drill Bit Depth Stop/Clamping Pad Height/Automatic Lubricator - Kreg FOREMAN DB55 Instructional Manual

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DB55 Pneumatic - Adjustments
13.
Adjusting the Drill Bit Depth Stop
A Drill Bit Depth Stop is provided to stop the Drill Bit forward motion.
Before adjusting the Drill Bit Depth Stop make certain your machine
is DISCONNECTED from the AIR SUPPLY. Cycle the machine via the
Handle to remove air from the system. Without an air supply you can
be certain the machine will not accidentally engage while you are
performing the adjustment. The Depth Stop Adjusting Screw should be
adjusted so that the pilot point of the Drill Bit is just slightly away from
the Fence when the Motor Mount contacts the head of the Depth Stop
Adjusting Screw. Make sure the Depth Stop Adjusting Screw is locked
into position with the Depth Stop Lock Nut.
1. Disconnect the machine from the air supply.
2. Remove the Black Acrylic Top to gain access to the inside of
the machine.
3. Loosen the Depth Stop Lock Nut on the Depth Stop Adjusting Screw.
Turn the Depth Stop Adjusting Screw to the approximate position.
4. Pull the Handle till Drill Bit pilot point is slightly away from the Fence.
5. Adjust the Depth Stop Adjusting Screw till the Head contacts the
Drill Motor Mounting Block.
6. Tighten the Depth Stop Lock Nut to lock the Depth Stop Adjusting
Screw in position.
7. Place the Black Acrylic Top back on the machine.
Adjusting the Clamping Cylinder Height
The Clamping Cylinder can be adjusted for material of different
thicknesses. The factory setting will clamp materials of approximate
thicknesses between 1/2" and 3/4". For materials thicker than 7/8",
the Clamping Cylinder will need to be moved upward to allow the
material to locate below the Clamp Pad. Before adjusting the
Clamping Cylinder make certain your machine is DISCONNECTED from
the AIR SUPPLY. Cycle the machine via the Handle to remove air from
the system. Without an air supply you can be certain the Clamping
Cylinder will not accidentally engage or the Drill Bit will not rotate
while you are performing the adjustment.
1. Loosen the (2) 1/2" nuts located on the rear of the Clamping Tower.
2. Adjust the Clamping Cylinder to allow a 1/4" gap above the material
under the Clamp Pad.
3. Tighten the (2) 1/2" nuts to lock the Clamping Cylinder in position.
Automatic Oil Lubricator
An Automatic Oil Lubricator is provided to maintain proper lubrication
to the pneumatic motor. The Automatic Oil Lubricator is preset at 1/2
turn open. The oil level in the Air System Lubricator should be routinely
checked and refilled with air motor oil comparable to the oil provided.
Normal use of the machine will cause a light film of oil to accumulate on
the back on the machine cabinet where the pneumatic motor exhausts.
To increase the amount of oil added the system turn the Adjustment
Screw counter-clockwise. Likewise to decrease the amount of oil added
to the system turn the Adjustment Screw clockwise. Make certain
your machine is DISCONNECTED from the AIR SUPPLY when filling the
Automatic Oil Lubricator. Cycle the machine via the Handle to remove air
from the system.
(Fig. 13A)
(Fig. 13B)
(Fig. 13C)
The Depth Stop Adjustment Screw limits travel
of the Drill Bit.
Use the 1/2" Nuts to lock the Clamping Cylinder
in position
Fill Cap
Adjustment
Screw
The Lubricator automatically adds the proper amount of
oil to the air system to prolong Air Motor life.
Fig. 13A
Fig. 13B
Fig. 13C

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