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Фрагмент инструкции
Remove rear belt guard. Loosen V-belts. Rotate pulley and roll V-belts out of grooves. Remove setscrew from the 9-inch (22.86 cm) pulley. Remove pulley and key. NOTE: A gear puller may be required to remove pulley. Reverse this procedure for replacement. NOTE: Pulley must be aligned for proper operation. Drive Motor Pulley Replacement Discontinue electrical power to the dryer. Remove rear belt guard. Loosen V-belts. Rotate pulley and roll V-belt out of groove. Remove setscrew from the drive motor pulley. Remove pulley and key. NOTE: A gear puller may be required to remove pulley. Reverse this procedure for replacement. NOTE: Pulleys must be aligned for proper operation. 450412-4 15 Tumbler Wheel Replacement on Drive Assembly Discontinue electrical power to the dryer. Remove front panel from dryer. (Follow front panel replacement directions on page 14.) Remove the 10 1/4-20 x 1/4” socket button head screws from the perforated basket side. Remove wrapper assembly. Loosen V-belt. Rotate pulley and V-belt out of the groove. Block the tumbler assembly in position. Remove the setscrew from the 9-inch (22.86 cm) pulley. Remove the pulley and key. Mark the position of pillow block bearing then remove the bolts from the pillow block bearings. Remove the drive shaft assembly through the front of the machine. NOTE: A gear pulley may be required to remove the pulley. Remove cap screws from bushing. Insert cap screws in the tapped removal holes and tighten evenly until bushing becomes loose on shaft. Remove the bushing, tumbler wheel, and key. Reverse this procedure for replacement. IMPORTANT: Tighten screws evenly and progressively. Never allow the sheave to be drawn in contact with the flange of the bushing. This gap should measure from 1/8” to 1/4”. Proper cap screw torque is 30 ft-lb (41 Nm). If greater tightening forces are applied, excess pressure will be created in the hub of the mounted sheave, which may cause it to crack. Tumbler Wheel Replacement on Idler Assembly Disconnect electrical power to the dryer. Remove the front panel from the dryer. (Follow front panel replacement directions on page 14.) Remove the 10 1/4-20 x 1/4” socket button head screws from the perforated basket side. Remove the wrapper assembly. Block the tumbler assembly in position. Mark the position of the pillow block bearings. Then remove the bolts from the pillow block bearing. Remove the idler shaft assembly through the front of the machine. Remove the cap screws from bushing. Insert cap screws in the tapped removal holes and tighten evenly until bushing becomes loose on shaft. Remove the bushing, tumbler wheel, and key. Reverse this procedure for replacement. Basket Assembly Adjustment NOTE: Dryer must be level prior to tumbler alignment. Discontinue electrical power to the dryer. Remove the perforated tumbler panel. Remove wrapper panel to access the drive and idler shaft. Place a level on the shafts to verify if level. Measure distance between tumbler and wrapper 1/2” to 3/4” gap should be derived. Loosen the 8 bolts on the pillow block bearings and turn the adjustment screw clockwise or counterclockwise to increase or decrease the gap between the tumbler and wrapper. Measure the length of the adjustment bolts and all should be equal. Place a level on the shaft to verify it is level if any adjustment has been made. 16 American Dryer Corporation 450412-4 Check the basket drive belt for proper tension. Adjust if necessary. Replace the wrapper panels. Replace the perforated tumbler panel. 1-15/16 (5 cm) Flange Bearing Replacement Disconnect electrical power to the dryer. Remove the 4 bolts securing the bearing cap located in the rear of the dryer. And remove. Depress the tabs on the rotational sensor harness plug and pull apart. Remove the retaining ring from the tumbler shaft. Remove the 4 bolts, lock washers and flat washers securing the flange bearing to the dryer cabinet. Loosen the setscrews from the flange bearing. Remove the flange bearing from the tumbler shaft. (A bearing puller may be necessary.) To replace new flange bearing reverse steps. Reestablish electrical power to the dryer. 4-inch Support Wheel Replacement Disconnect electrical power to the dryer Remove the four nuts securing the rear support box to the dryer. Remove the center allen head bolt and teflon washer. Loosen the individual wheel bolts so the rear of the box can be removed. Remove the damaged wheel. Replace with new wheel. Reverse steps to replace support box. NOTE: make sure inner teflon disc does not fall off of center allen head bolt. Rotational Sensor Assembly The rotational sensor assembly is located in the rear of the dryer. It consists of a magnet. Rotational sensor switch, which is mounted to the bearing cap. The magnet is screwed into the 1-15/16” (5 cm) flange bearing on machines made with a bearing or directly attached to the shaft on machines made with 4-inch (10.16 cm) shaft support rollers. The magnetic rotational sensor switch se...
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