Delta ShopMaster DP400 Instruction Manual

Contents

Delta ShopMaster DP400 Instruction Manual Manual pdf 16 page image

16DRILLING HOLES TO DEPTHWhere a number of holes are to be drilled to exactly thesame depth, a depth stop is provided and is used asfollows:DISCONNECT MACHINE FROM POWERSOURCE.1. Install bit in chuck.2. Loosen lock screw (A) Fig. 29, and rotate pinionassembly (B) until the pointer (C) lines up with the markon the scale (D) you wish the depth of the holes to bedrilled. Then tighten lock screw (A).3. Place the material to be drilled on the drill presstable. Raise the drill press table until the material to bedrilled just touches the drill bit.4. Drill a test hole to check the depth and adjust ifnecessary. All holes will then be drilled to the exactdepth as indicated on scale (D) Fig. 29. NOTE: Scale (D)is calibrated in both inches and millimeters.Fig. 29CABDADJUSTING SPINDLERETURN SPRINGThe spindle is automatically returned to its upper mostposition when the handle is released. It is recommendedthat the handle be allowed to slowly return to the topposition after each hole has been drilled. This spring hasbeen properly adjusted at the factory and should not bedisturbed unless absolutely necessary. To adjust thereturn spring, proceed as follows:DISCONNECT MACHINE FROM POWERSOURCE.1. Loosen nuts (B) and (E) Fig. 30. Make sure springhousing (A) stays engaged with head casting.2. While FIRMLY HOLDING spring housing (A) Fig. 31pull out housing and rotate it until boss (D) is engagedwith the next notch in the housing. Turn the housingcounterclockwise to increase or clockwise to decreasespring tension. Turn nut (E) until it contacts springhousing (A), then back nut (E) out a 1/4 turn from springhousing (A). Tighten nut (B) against nut (E), to hold thehousing in place. IMPORTANT: Inside nut (E) shouldnot contact spring housing (A) when tightened.Fig. 30B EAFig. 31DEBA