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Manafacture: Festool
File size: 1.81 mb
File name: cba6f6b1-a5c4-a764-f5f8-d60dd4d749f0.pdf
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manual abstract
Installing the Sanding Belt 1. DISCONNECT THE SANDER FROM THE AIR SUPPLY! 2. Place the sanding belt over the contact wheel, as shown in Figure 5. 3. Compress the contact arm shaft by pressing the contact wheel towards the drive wheel. Slide the belt over the drive wheel until it is centered, then release pressure (Figure 6). Figure 5. Preparing the sanding belt. Contact Wheel Belt Figure 6. Attaching the sanding belt. Contact Wheel Belt Drive Wheel To avoid accidental starting, disconnect the sander from the air supply when it is not in use. Sanding Belt Like all tools there is potential danger when operating this tool. Accidents are frequently caused by lack of familiarity or failure to pay attention. If normal safety precautions are overlooked or ignored, serious personal injury may occur. Model H8253 Air Belt Sander -7- ACCIDENTAL START HAZARD! Disconnect before service or tool changes. AIR PRESSURE HAZARD! Never exceed the maximum PSI rating for tool. EYE/LUNG/EAR INJURY HAZARD! Wear protective equipment when using this tool. Replacing the Sanding Belt When the sanding belt loses its effectiveness, is damaged, or shows signs of excessive wear, it must be replaced. To replace the sanding belt: 1. DISCONNECT THE SANDER FROM THE AIR SUPPLY! 2. Remove the belt guard. 3. Compress the contact arm shaft by pressing the contact wheel towards the drive wheel. Slide the belt off the drive wheel, then release pressure (Figure 8). 4. To install the new belt, refer to "Installing the Sanding Belt" on Page 6. Figure 8. Removing the sanding belt. Contact Wheel Belt Drive Wheel Operation To operate the sander: 1. Connect the sander to compressed air regulated at 70-90 PSI. 2. Hold the sander securely and push the throttle lever to operate. Turn the valve screw to set the maximum belt speed (Figure 9). Throttle Lever Valve Screw Figure 9. Sander controls. 3. Release pressure on the throttle lever to stop the sander. 4. Attach the belt guard with the M4-.7 x 6 cap screw, as shown in Figure 7. Valve Screw Figure 7. Installing guard. Cap Screw Belt Guard Adjustments Adjusting the Belt Tracking The sanding belt must be centered on the contact wheel to avoid damaging the sander and to allow for optimal sanding. Adjusting the Contact Arm and Handle To adjust the belt tracking: 1. Loosen the cap screws shown in Figure 1. Connect the sander to compressed air regulated at 70-90 PSI. 2. Hold the sander firmly and press the throttle lever to turn it ON. Once the belt has reached full speed, turn the adjustment knob to adjust the belt tracking. Turning the knob clockwise will move the belt towards the adjusting knob and turning the knob counterclockwise will move the belt away from the adjusting knob (Figures 12 & 13). Figure 10. Sander adjustments. 2. Rotate the handle and contact arm to the desired position, then tighten the cap screws. Note: By rotating the contact arm and handle, the Model H8253 can be adjusted for right or left hand use (Figure 11). 10. Cap Screws Adjustment Knob Figure 12. Belt tracking. Left Hand Use Right Hand Use Correct Belt Incorrect Belt Tracking Tracking Figure 11. Left hand/right hand setup. Figure 13. Belt tracking. -8- Model H8253 Air Belt Sander MAINTENANCE Cleaning Keeping the sander clean is vital to its operation and leads to longer tool life. After every use, clean and inspect the sander. • Wipe the housing with a dry cloth, or blow off the dust and debris with compressed air. • Check for damage to tooling, hoses, housing or other accessories. Do not allow dust, chips, sand, etc. into the air connectors or into the body of the sander air motor; this may result in leaks and damage to the sander and the air couplings. Always disconnect air from sander whenever servicing! During maintenance, a sander connected to air may start accidentally, causing personal injury! Lubrication The air sander MUST have 2-6 drops of oil dropped directly into the air inlet before and after each use and before storage. After oiling, remove the sanding belt, then run the sander to purge excess oil. Wipe the tool down with a rag, re-install the sanding belt, then begin sanding. Another option to manual oiling would be to install a lubricator in your air compressor line. If your air compressor line already has a lubricator, then regular lubrication of your sander will not be necessary. Just make sure there is always oil in the lubricator. Figure 14. Lubricating sander via air inlet. Model H8253 Air Belt Sander -9 H8253 MAIN BREAKDOWN ...................................................................................... -10-Model H8253 Air Belt Sander H8253 MAIN PARTS LIST REF PART # DESCRIPTION PH8253001 CONTACT ARM ASSEMBLY PH8253002 PLUG PH8253003 GUIDE POST PH8253004 COMPRESSION SPRING PH8253005 TENSION ARM PH8253006 KNOB M4-.7 X 22 PH8253007 COMPRESSION SPRING PH8253008 TENSION SHAFT PH8253009 DUST COVER PFH41M FLAT HD SCR M4-.7 X 16 PH8253011 MAIN HOUSING PN06M HEX NUT M5-.8 PH8253013 BELT GUARD PSB110M CAP SCREW M4...