Powermatic 60C, 60HH Replacing and Rotating Knife Inserts, Helical Cutterhead Only

Page 16

10.The tightening process should continue at least two more times, each time tightening the screws more on all three knives. On the third time, they should all be firmly tightened.

Before starting the jointer, make sure all gib screws are firmly tightened. A loose knife thrown from the cutterhead can cause severe or fatal injury.

11.After replacing knives, the outfeed table must be checked and adjusted so that it is level with the high point of the knives. See “Setting Outfeed Table” on pages 18-19.

Replacing and Rotating Knife Inserts

(Helical Cutterhead Only)

Knife inserts are extremely sharp; use caution when working with or around them. Disconnect power.

The knife inserts on the model PJ-882HH are four-sided. When dull, simply remove each insert, rotate it 90° for a fresh edge, and re- install it.

Two star-point screwdrivers are provided. Insert one screwdriver into a screw to hold the cutterhead stationary, while using the other to loosen and remove a knife insert screw. See Figure 19. It is advisable to rotate all inserts at the same time to maintain consistent cutting. However, if one or more knife inserts develops a nick, rotate only those inserts that are affected.

Each knife insert has an etched reference mark so that you can keep track of rotations.

IMPORTANT: When removing or rotating inserts, clean saw dust from the screw, the insert, and the cutterhead platform. Dust accumulation between these elements can prevent the insert from seating properly, and may affect the quality of the cut.

Before installing each screw, lightly coat the screw threads with machine oil and wipe off any excess.

Securely tighten each screw which holds the knife inserts before operating the planer!

Make sure all knife insert screws are tightened securely. Loose inserts may be propelled at high speed from a rotating cutterhead, causing injury.

Make sure the outfeed table is set level with the knife inserts See “Setting Outfeed Table” on page 18-19.

Figure 19

(helical cutterhead only)

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Image 16
Contents Powermatic Part No. M-1610084Warranty and Service Warranty PeriodTable of Contents Page Page 3HP 3PH 230/460V prewired Introduction Specifications60C Features and Terminology 60C and 60HH Jointers Contents of the Shipping Container UnpackingAssembly Tools required for assemblyAssembling Jointer to Stand Cutterhead GuardAligning Pulleys Installing Drive BeltRemoving Guard Installing Belt Guard and Door Installing Switch ArmInstalling Dust Chute Hose and clamp not providedInstalling Fence Handwheel Knife Gauge Assembly model 60C onlyElectrical Connections Storing the Push Blocks Grounding Instructions Adjustments Installing and Adjusting KnivesExtension Cords Straight cutterhead onlyStraight cutterhead only Replacing and Rotating Knife Inserts Helical Cutterhead OnlyLeveling Tables If table will still not line upAdjusting Depth of Cut Setting Outfeed TableRapid Adjust Fine AdjustSpring Cutting Examples of incorrect settingsFence Movement Fence Stops See FigureDegree stop Degree forward stopOperating Controls Start/StopHand Placement Basic Jointer OperationJointing Short or Thin Work Direction of GrainEdge Jointing Jointing Warped SurfacesBeveling Skewing Shear Cutting Taper CutsMaintenance RabbetingCutterhead Maintenance Sharpening Knives model 60C onlyTable Removal Trouble Troubleshooting Mechanical and Electrical ProblemsProbable Cause Remedy Trouble Probable Cause Remedy Straight cutterhead Replace nicked Troubleshooting Operating ProblemsHelical cutterhead Rotate nicked Parts List Base Assembly 60C and 60HH Replacement PartsIndex No. Part No Description Size Qty 6296044 Base Assembly 60C and 60HH Parts List Fence Assembly 60C and 60HH Fence Assembly 60C and 60HH Parts List Straight Cutterhead Assembly 60C only Parts List Helical Cutterhead Assembly 60HH only Parts List Stand Assembly 60C and 60HH PM2000-105 Stand Assembly 60C and 60HH Electrical Connections Single Phase, 230 Volt Electrical Connections 3 Phase, 230 Volt Electrical Connections 3 Phase, 460 Volt New Sanford Rd LaVergne, TN Phone
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