Woodstock W1678 To adjust the drum-to-conveyor parallelism, do these steps, Step

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ADJUSTMENTS

PART 2: Drum-to-Conveyor Parallelism

For this adjustment, you will align the front drum so the sanding path runs parallel with the conveyor belt feed path. You will then align the rear drum to the front drum so it is parallel with the front drum. See Figure 22.

NOTICE

If the drum-to-conveyor parallelism is out of adjustment, the sandpaper may become loose and load-up over to one side of the drum(s).

To adjust the drum-to-conveyor parallelism, do these steps:

1.At either end and at the surface of the front drum, measure the distance between the drum and the front brace. It should be approximately 1⁄2". See Figure 23.

•If the difference between the two measurements is less than 1⁄8", skip Steps 2 through 4, and go to Step 5.

•If the distance is greater than 1⁄8", go to

Step 2.

2.Loosen the bearing-block mounting nuts on one end of the front drum. See Figure 24.

NOTICE

DO NOT over-tighten the bearing block mounting nuts. The bearing blocks are machined housings that can warp or crack if the nuts are over-tightened.

3.Slide the drum and bearing block forward or rearward to eliminate any front-drum to front- brace measurement difference. Remember, adjusting one drum-end slightly affects the adjustment at the opposite end.

4.Tighten the nuts, recheck the measurement, and readjust as necessary.

Center-Tracking Conveyor

Right-Tracking Drum

Left-Tracking Drum

Figure 22. Drums to conveyor path not parallel.

1⁄2"

Figure 23. Front-drum to front-brace

measurement.

Mounting

Nuts

Figure 24. Front bearing block and nuts.

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Contents Model W1678 Page Table of Contents Woodstock Service and Support IntroductionAbout Your New 26 Double Drum Sander Warranty and Returns SpecificationsSafety Standard Safety InstructionsSafety Keep proper footing and balance at all timesAdditional Safety Instructions for Drum Sanders Model W1678Avoiding Potential Injuries Never stand in the path of potential Workpiece kickbackSafety 220V Operation Extension CordsGrounding Assembly Box ContentsUnpacking Shop Preparation Initial Cleaning To install dust ports and handles, do these steps BeginningDust Port Handles Control Box To install the control box, do these stepsTo install the crank and handle, do these steps Crank and HandleDrums and Pressure Rollers AdjustmentsTo adjust the drum-to-conveyor squareness, do these steps Unplug the Double Drum Sander30 gauge block positioning To adjust the drum-to-conveyor parallelism, do these steps Step25⁄8 gauge block positioning To adjust the drum-to-conveyor height, do these steps Part 3 Drum-to-Conveyor HeightPart 4 Pressure Roller Adjustment To adjust pressure-roller spring tension, do these stepsDust Scoop Gap Dust scoop gapBelt Tension Front panel and mounting screwsConveyor Belt Conveyor belt hanging gapOperations Overview Control PanelControl panel offers these controls Basic Sanding OperationMain power ON/OFF safety switch To use the double drum sander, do these stepsLoad meter Troubleshooting Long grooves Maintenance General Sanding BeltsMaintenance LubricationBrush Replacement Sandpaper ReplacementBearing Replacement Slide the bearing out of the bearing block. See FigureBearing-block grease grove Grease port General Cleaning Drive System Wiring Diagram W1678 26 Double Drum SanderControl System Wiring Diagram Closure Parts Scale 143 146 145 144 142 151 154 110 111 106 105 Pressure Roller 227 Side Panel 337 Magnetic Switch Page Page Page BOX BELLINGHAM, WA Warranty Card