Powermatic 1285 operating instructions Setting Infeed Table Height Depth of Cut

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Setting Infeed Table Height (Depth of Cut)

1.To set the cutting depth, loosen handwheel (A, Figure 17) by turning counterclockwise.

2.Move table adjustment arm (B, Figure 17) up or down to raise or lower infeed table. The pointer (C, Figure 17) shows the depth of cut on the adjoining scale.

3.Tighten handwheel securely (A, Figure 17).

The stop screw (D, Figure 17) on the infeed table should be set so that when it contacts the table, the infeed table will be exactly level with the knives (with the scale pointer at zero). The setting of this stop screw has been made at the factory, but should be checked by the operator before using the jointer. It should also be checked occasionally as the machine receives use.

Use the same procedure as for the outfeed table, placing the straightedge across outfeed table, cutterhead and infeed table. Loosen the hex nut (E, Figure 17) and adjust the stop screw (D, Figure 17) as necessary. When finished, retighten hex nut (E, Figure 17).

If the infeed table is level with the knives but the scale pointer (C, Figure 17) appears to be off, loosen the scale pointer with a screwdriver and adjust it as needed until it reads zero. Retighten the screw.

Replacing and Setting Knives (Straight Cutterhead)

Jointer knives are very sharp. Use care and proceed slowly when working with or around the cutterhead.

After a period of use, dull knives should be reground or replaced. Remove the pulley cover at the rear of the machine – this will allow you to rotate the cutterhead by using the belts.

To remove a knife:

1.Disconnect machine from power source.

2.Back the fence away from the cutterhead as far as it will go. Lower infeed and outfeed tables.

3.Turn the six gib screws (Figure 18) into the gib with a 10mm wrench. As the pressure of the gib is released, the two springs in the cutterhead slot will cause the knife to rise.

4.Carefully remove the knife from the cutterhead.

Figure 17

Figure 18

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Contents Jointer Part No. M-0460216Warranty and Service More Information WMH Tool Group WarrantyTable of Contents Page Figure a Page Introduction Specifications 90, 45 right, 45 leftContents of the Shipping Container UnpackingTools need for assembly AssemblyFence Installation Dust Hood Switch ArmGrounding Instructions Voltage Conversion Extension cordsDrive Belt Tension AdjustmentsSetting Outfeed Table Height Page Setting Infeed Table Height Depth of Cut Replacing and Setting Knives Straight CutterheadPage Replacing Knife Inserts Helical Cutterhead To tilt fence forward Fence AdjustmentsTo check and adjust the 90-degree stop To tilt fence backwardOperation To check and adjust the 45-degree stopOperating Controls Cutter Guard TensionSurfacing Hand PlacementEdge Jointing RabbetingDirection of Grain Jointing Warped SurfacesJointing Short or Thin Work BevelingCutterhead Repairs MaintenanceLubrication Knife Inserts Helical Cutterhead Whetting Knives Straight Cutterhead Probable Cause Remedy Troubleshooting Operating ProblemsTrouble Troubleshooting Mechanical and Electrical Problems Trouble Probable Cause RemedyIf electric motor is suspect, you have Optional Accessories Replacement PartsParts List Stand Assembly Index No. Part No Description Size QtyStand Assembly Parts List Table Assembly Table Assembly Parts List Motor Pulley Assembly Motor Pulley Assembly Parts List Cutterhead Guard Assembly Cutterhead Guard Assembly Parts List Straight Cutterhead Assembly PJ1285-KSGAStraight Cutterhead Assembly Parts List Helical Cutterhead Assembly Helical Cutterhead Assembly Parts List Fence Assembly Fence Assembly Electrical Connections 1 Phase Electrical Connections 3 Phase WMH Tool Group
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