10Figure 8-1: depth stop adjustment7.2 Return spring adjustmentThe return spring is adjusted by the manufacturer andshould not require attention. If adjustment is deemednecessary, follow the steps below while referring toFigure 8-3:1. Unplug machine from power source.2. Loosen lock nut (E). Do not remove.3. Firmly hold coil spring cover (F).4. Pull out cover and rotate until pin (G) on housingengages the next notch in coil spring cover. Turncover clockwise to decrease tension andcounterclockwise to increase tension.5. Tighten lock nut (E). Do not over-tighten or forcenut too strongly against spring cover.Figure 8-3: return spring adjustment7.3 Table tilt adjustmentTable tilt adjustments are made on table bracketbeneath table.Refer to Figures 8-4 and 8-5.In the following steps do notover-loosen. This could cause table assembly toseparate from column, fall and cause injury.1. IDP-15BV: Loosen set screw (H) with 1/4" hexwrench.2. IDP-15BV: Loosen hex cap screw (J) with 5/8” oradjustable wrench.3. Tilt table to desired angle, referring to scale andpointer atop table bracket.4. Tighten screw or nuts (J).5. Tighten set screw (H).Figure 8-4: table tilt (IDP-17 only)8.0 Operating controlsPress ON button to start spindle rotation. Press OFFto stop.The work lamp operates independently; on/off buttonis on top of lamp housing.9.0 Operation1. Insert drill bit into chuck jaws about 1-inch (25.4mm) deep. When using a small bit, donot insert it so far that the jaws touch the flutes ofthe bit. Make sure bit is centered in chuck beforetightening chuck with key.For a small workpiece that cannot be clamped to thetable, use a drill press vise. The vise must beclamped or bolted to the table. Always use aback-up piece of scrap wood to cover the table.This protects both table and drill bit.ABJHEFG