Magnum MI-77100 Operating Manual

Chisel mortiser

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MODEL NO.: MI-77100
OPERATING MANUAL

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Summary of Contents for Magnum MI-77100

  • Page 1 MODEL NO.: MI-77100 OPERATING MANUAL...
  • Page 2 IDENTIFICATION OF MAIN PARTS AND COMPONENTS DOWNFEED HANDLE MOTOR ON/OFF SWITCH GAS HEAD-CYLINDER EXTENSION WING FENCE BASE FENCE LOCKING LEVERS HEAD 10. WORKPIECE HOLD-DOWN 11. TABLE ROLLER 12. CHISEL LOCKING LEVER 13. CHUCK KEY AND CHISEL HOLDER...
  • Page 3: Basic Functions

    BASIC FUNCTIONS This hollow chisel mortiser is designed to cut 90° in solid wood as well as other wood based stock. The mortiser is designed to tackle a wide range of mortising applications suited to both hobbyist and professional users. Ideal for use in any furniture making or cabinet making applications that require mortise and tenon joinery, the unit is supplied with a set of 4 different sized chisel and bits to help the user cut mortises of varying widths to suit the application.
  • Page 4: Assembly Instructions

    ASSEMBLY INSTRUCTIONS For your convenience this mortiser is shipped from the factory partially assembled and requires only minimal assembly and set up before being put into service. SERIOUS PERSONAL INJURY COULD OCCUR IF YOU CONNECT THE MACHINE TO THE POWER SOURCE BEFORE YOU HAVE COMPLETED THE ASSEMBLY STEPS.
  • Page 5: Minimum Of 1/4" Up To A Maximum Of

    INSTALL A CHISEL AND BIT SET TURN OFF AND UNPLUG THE MORTISER FROM THE POWER SOURCE BEFORE PERFORMING ANY MAINTENANCE, ADJUSTMENTS OR BIT CHANGES. CHISEL AND BIT TIPS ARE VERY SHARP – HANDLE WITH CARE. TO AVOID PERSONAL INJURY USE A PIECE OF CARDBOARD, PLASTIC OR OTHER MATERIAL BETWEEN YOUR FINGER AND THE TIP OF THE BIT WHENEVER HOLDING OR HANDLING THE CHISEL AND BIT BY THE TIP.
  • Page 6 NOTE: Do not overtighten the locking lever as this can damage your mortiser. TO SQUARE THE CHISEL TO THE FENCE 1. Lower the head to its maximum position. 2. Place a piece of taller stock (minimum 3”) against the fence. NOTE: Make sure you are using a piece of planed and squared stock that has an even thickness.
  • Page 7: Column

    TOOL AND CHISEL HOLDER MAKE CERTAIN THAT THE MORTISER IS DISCONNECTED FROM THE POWER SOURCE. 1. Remove the screws from the column 2. Place tool and chisel holder (A) on left of column (B) and align with mounting holes. Using two screws and two washers to tighten chisel holder(A) to left of column.
  • Page 8: Head

    ON/OFF POWER SWITCH VERIFY ALL FOLLOWING CHECK POINTS BEFORE TURNING ON THE MORTISER. FAILURE TO COMPLY CAN RESULT IN SERIOUS INJURIES. • MAKE SURE THE TWO SLIDE PLATES OF THE CHUCK COVER ARE CLOSED AND THEIR LOCK KNOBS ARE TIGHTENED SECURELY. •...
  • Page 9: Depth Stop

    BASIC OPERATIONS 1. Layout and mark workpieces for the mortises to be cut. 2. Install the appropriate chisel and bit in the chuck. 3. Place the stock on the table against the fence . 4. Set the depth stop. 5. Loosen the fence locking levers and adjust the fence until the workpiece is positioned with the mortise to be cut centered on the chisel .
  • Page 10 FEED RATE: NOTE: To prevent burning of the tip of the bit, a steady feed rate is required. The machine may stall or slow down if the feed rate is too fast TIP: To allow chips to discharge when cutting deeper mortises or through mortises, cut the mortise to its full depth in several steps, by backing off periodically at roughly 3/8”...
  • Page 11 LUBRICATION Keep the column and both sides of the dovetail way well lubricated and free of dust or debris. Clean and remove dust, debris, and old lubricant as needed depending on frequency of use. After cleaning, reapply a verily light coating of lubricant.
  • Page 12: Pinion Shaft

    Operating Handle The operating handle can be mounted on either the left-hand or right-hand Right-hand side of the mortiser. The handle hub (D) comes mounted on the right-hand side from the factory. For left-hand operation the hub must be moved to the left side as follows: 1.
  • Page 13 20 21 53 54 63-1...
  • Page 14 PARTS LIST MI-77100 PART N0. DESCRIPTION SPECIFICATION QTY MI-77100-01 BASE MI-77100-02 OPEN RETAINING RING MI-77100-03 EXTENSION BAR MI-77100-04 SET SCREW M6 X 10 4 MI-77100-05 TABLE EXTENSION MI-77100-06 SCALE MI-77100-07 COLUMN MI-77100-08 FLAT WASHER MI-77100-09 LOCK WASHER MI-77100-10 HEX HEAD BOLT...
  • Page 15 PARTS LIST MI-77100 PART N0. DESCRIPTION SPECIFICATION QTY MI-77100-51 GEAR MI-77100-52 6 X 6 X18 MI-77100-53 OPEN RETAINING RING S-20 MI-77100-54 PINION SHAFT MI-77100-55 SET SCREW M8 X 10 MI-77100-56 DOWNFEED SHAFT MI-77100-57 LOCK KNOB M8 X 15 MI-77100-58 DOWNFEED HANDLE...

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