Hougen HMD908, Operator'S Manual

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7
INSTALLING HOUGEN CUTTER IN ARBOR
1. Disconnect from power source.
2. Lay drill on its side with feed handles up or be sure Arbor clears table if unit is in normal operating position.
3. Turn Feed Handles until cutter mounting set screws are exposed and completely remove the set screw.
4. Insert proper pilot in shank end of Hougen Cutter.
5. Insert Hougen Cutter until fl at on cutter shank is aligned with set screw holes and is exactly perpendicular to
axis of set screw holes.
6. Insert set screws and tighten. Check to be certain that cutter is secure.
ADJUSTMENT OF GIBS
1. Loosen all Gib Screws (40237).
2. Feed the drill in and out a few times and then, with top of motor slide fl ush with top of housing, tighten the Gib
Screws until you feel them touch the Steel Gib (02431).
3. Feed the drill in and out again.
4. Adjust Gib Screws so that there is uniform pressure from top to bottom. (Top of motor slide fl ush with top of
housing.)
5. Turn each Gib Screw in about 1/8 to 1/4 turn, depending upon your preference.
6. Gibs should be tight enough so that slide moves up and down smoothly with no wobble or shaking.
(Looseness will cause cutter breakage.)
NOTE: Gibs should be lubricated regularly with general purpose grease.
ARBOR ADJUSTMENT
Adjust Gibs before adjusting front support bracket.
1. Loosen Arbor Support Bracket Bolts.
2. Be sure top of arbor is fl ush with the shoulder on motor output shaft. Also make certain arbor is securely
fastened.
3. Turn feed handle until motor and spindle are at the bottom of their travel.
4. Tighten Arbor Support Bolts.
5. Feed slide up and down a few times, checking for free and uniform movement.
NOTE: Check Arbor support bolts regularly to make certain they are tight. Tighten as required.
Removal
1. Loosen arbor support bracket bolts. (Remove coolant bottle on HMD908C models)
2. Loosen set screws holding arbor onto motor output shaft.
3. Remove arbor.
Installation
1. Hand tighten front support bracket bolts. Do not tighten all the way.
2. Slide arbor to full up position and hold arbor in position over hex drive motor output shaft.
3. Tighten two set screws to hold arbor onto motor output shaft.
4. Turn feed handle until motor and arbor are at the bottom of their travel.
5. Tighten front support bracket bolts to 400 in/lbs.
6. Run motor for 10 seconds. (If visual movement of arbor is noticed, restart at step 1)
7. Re-check for tightness of arbor set screws.
ARBOR & FRONT SUPPORT BRACKET
REMOVAL AND INSTALLATION