Dewalt DXCM201 Instruction Manual - Page 19

English Belt Replacement WARNING: This unit starts automatically. ALWAYS shut off and unplug the compressor, and bleed all pressure from the system before servicing the compressor, and when the compressor is not in use. Do not use the unit with the shrouds or belt guard removed. Serious injury could occur from contact with moving parts. Hot surfaces. Risk of burn. Pump head, and surrounding parts are very hot, do not touch (see the Hot Surfaces identified in Fig. 1). Allow compressor to cool prior to servicing. 1. Set the Auto/Off lever to "OFF (O)", unplug the unit, and relieve all air pressure from the air tank. 2. Remove the outer belt guard (Z). 3. Mark motor position on saddle. Z 4. Loosen the motor mounting screws and slide the motor toward the air compressor pump. 5. Remove the belt and replace with a new one. 6. See the Adjusting BeltTension before tightening motor mounting screws. Adjusting Belt Tension 1. Slide motor into original position, line the motor up with the mark made earlier on saddle. 2. Tighten two outside motor mounting screws enough to hold the motor in place for checking pulley and flywheel alignment. 3. The belt should deflect 1/4" (6.5 mm) at midway between the pulley and the Downward Force flywheel when a 10 pound (4.5 kg.) weight is applied at the mid- Deflection way point. 4. When proper belt ten- sion is achieved, tight- en motor mounting screws. Torque to 20-25 ft-lbs (27.1-33.9 Nm.) NOTE: Once the motor pulley has been moved from its factory set location, the grooves of the flywheel and pulley must be aligned to within 1/16" (1.6 mm) to prevent excessive belt wear. Verify the alignment by performing the following Motor Pulley/Flywheel Alignment. 19