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RB45
Operating Instructions
1. Place a pilot pin in the cutter at the shank end. Insert the cutter into the special
arbor, aligning the flats to the set screws on the arbor. Secure the set screws to the
cutter with the supplied hex wrench.
2. Position the machine on a clean, dry, ferrous surface at least 1/2" thick. Switch on
the magnet.
3. Cutting fluid must be used at all times to enhance the quality of cut and prolong the
cutting tool life. Cutting fluid is applied through small holes located at the top/shank
end of the arbor and feeds via gravity.
4. Switch on the drill. Always proceed with caution at the start of drilling operations.
When using RotoBrute annular cutters apply pressure gradually at first until a depth of
1/8" is reached. Normal cutting pressure can then be applied.
5. On completion of cut, withdraw the cutter from hole, switch off the drill, then the
magnet. Ensure the magnet base is clear of chips. Locate the next hole using the
above procedures.
Adjusting Dovetail Slides
Slowly adjust the hex screws while moving the handle up and down. Adjust so there is
no free play or no binding anywhere through its range of travel. Periodically check,
lubricate, and adjust as necessary.
Repositioning of Handles
1. Elevate the slide upward to its full extent.
2. Remove the pinion cap screw and pinion cap from the shaft end
(opposite side to handles).
3. Slide the pinion with the handles on outward, approximately 1/3rd distance.
4. Disengage the rack by means of raising the slide up by another 3/4".
5. Remove pinion, reposition through opposite side of body casting and reverse proce-
dure as above.
Assembly of Traverse Handles
1. To assemble traverse handle, place each of the three (3) handles into the threaded
holes on the pinion rack, turning clockwise to tighten.
2. To remove handles, turn counter-clockwise.
5
MIGHTIBRUTE
Assembly of Arbor for use with Annular Cutters
1. Machine spindle must be clean and free of debris.
2. Push the arbor firmly up into the internal spindle to lock into place.
3. To remove cutter arbor, insert drift key through keyhole located on side of motor until
arbor ejects.
4. To prepare for cutters, loosen set screws with hex keys (provided). INSERT PILOT INTO
CUTTER HOLE AT SHANK END. Place shank of cutter into bottom of arbor. Align flats on
shank with set screws and tighten until cutter locks into place.
5. To remove cutter, loosen set screws and pull.
Assembly of Drill Chuck for use with Straight Shank Tools
Drill chuck is optional: RB4512 (1/2" capacity)
1. Place the drill chuck into the internal spindle, give a firm push to be sure it locks into
place.
2. To remove, push drift key through drift keyhole located on side of motor until drill
chuck ejects.
3. To prepare drill chuck for drills, place chuck key into chuck key hole and turn counter
clockwise. Place drill bit into drill chuck and turn chuck key clockwise until drill bit locks
into place.
4. To remove drill bit, turn chuck key counter clockwise.
To use Taper Shank Drills and Reamers
1. Insert taper shank drill or reamer into internal #2MT spindle.
2. Make sure the tang on the taper shank drill or reamer is aligned correctly and locked
into place.
3. To remove, insert drift key into slot located on side of motor and push through until
drill or reamer is ejected.
4. If drill or reamer is not seated correctly, the tang will break off and may cause damage
to internal spindle.
Assembly of Safety Guard
• Loosen screw from underneath the arbor support (front/center). Align the bracket slot
with the screw, and tighten screw until safety guard locks into place.
• To remove safety guard, loosen screw and remove safety guard.
RB45 ELECTRICAL DIAGRAM
OPERATING INSTRUCTIONS
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