Powermatic 1285 operating instructions Operating Controls, Operation, Cutter Guard Tension

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To check and adjust the 45-degree stop:

1.Loosen lock handle (D, Figure 22) and tilt fence until it contacts the 45-degree stop (C, Figure 22).

2.Place a machinist’s protractor or similar device set at 45 degrees on the table and against the fence.

3.If adjustment is necessary, loosen the hex nut on the stop screw (C, Figure 22) and turn the stop screw until the fence is flush with the protractor.

4.Retighten the hex nut.

Cutter Guard Tension

The tension of the guard (Figure 24) must always be sufficient during jointer operations to cause the guard to conceal the unused part of the cutterhead, and to swing back to contact the fence after the workpiece has cleared the cutterhead. To adjust the guard tension:

1.Loosen the knob shown in Figure 24 and push the knob to the right to increase guard tension; or to the left to decrease guard tension.

2.Tighten the knob in that position.

Operating Controls

The push button on/off switch is conveniently positioned above the table (Figure 25). Do not remove the clear plastic cover, as this keeps wood dust out of the switch.

Operation

NOTE: If you are inexperienced at jointing, use scrap pieces of lumber to check settings and get the feel of operations before attempting regular work.

Always use the guard whenever possible and keep hands away from cutterhead. Failure to comply may cause serious injury.

Ideally, the fence should be moved forward (toward the front of the machine) to expose only the amount of cutterhead needed for the workpiece.

TIP: If workpieces of the same size are constantly being run on the jointer, the operator may wish to occasionally adjust the fence forward or backward to prevent wear on only one area of the knives.

Figure 24

Figure 25

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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 UnpackingAssembly Fence InstallationTools need for assembly Switch Arm Grounding InstructionsDust Hood Voltage Conversion Extension cordsAdjustments Setting Outfeed Table HeightDrive Belt Tension 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 BevelingMaintenance LubricationCutterhead Repairs Knife Inserts Helical Cutterhead Whetting Knives Straight Cutterhead Troubleshooting Operating Problems TroubleProbable Cause Remedy 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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