Husqvarna - AR19 - JW Hire & Sales Ltd

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MAINTENANCE Wheels Replacing the drive wheel axle 1. Turn off the engine and empty all fuel from the fuel tank. 2. Remove the weights and the drive guard cover. 3. Remove the locking nut (2) on the idler adjustment screw (1) to slacken the chain. Remove the master link and the chain. 4. Tip the lawn aerator backwards so that it is resting on the handle. The front wheel ends up about 30 cm above the ground. 8011-219 WARNING! Secure the handle so that the lawn aerator cannot tip over. 5. Remove the nuts (1) and screws (2) (4 of each on model AR19 and 6 on model AR 25) for the wheel axle bearings. 6. Remove the wheel axle with wheels and sprocket. Model AR19 does not have the complete bearing closest to the sprocket; the illustration shows model AR25. 7. Undo 2 setscrews (hex screws) for the sprocket (5) and pull the sprocket and the bearings from the axle. To remove the bearings (3), you must first remove the locking collar (4). Undo the setscrew, insert a punch into the hole beside the setscrew and tap it with a hammer so that the locking collar turns opposite the wheel’s normal rotation direction. If the bearings have rusted in place, they must be replaced together with the wheels and axle. 8. Fit the bearings and sprocket loosely on the axle. For model AR19, the hub side of the bearing should be turned away from the wheel. Model AR25 has three bearings. On both of the bearings closest to the wheel, the hub should be turned away from the wheel. On the bearing closest to the sprocket, the hub should be turned away from the sprocket. 9. Tighten the bearings in place. 10. Center the wheel in the wheel opening in the cowling (see illustration). Set the locking collars by tightening the setscrews. 11. Align the sprocket with the other sprockets and tighten both of the setscrews (hex screws) for the sprocket. Use blue Loctite when the key is in place. 12. To fit the chain, follow instructions in chapter ”Maintenance/Replacing the chain”. 13. Adjust the chain (see chapter ”Maintenance/ Adjusting chain tension”) and refit the drive guard cover. 8011-170 8011-175 32 – English
MAINTENANCE Replacing the rear wheels Applies to model AR19. 1. Make sure the machine is parked on level ground and that the engine is off. 2. Lower the rear wheel control so that the lawn aerator is resting on the tines. 3. Turn the depth adjustment knob for rear wheel depth/stability clockwise so that the rear wheels are set at minimum depth (= increased stability). 4. Remove the axle nut and washer. Pull out the axle bolt and remove the wheel from the wheel carriage. 5. Install the new wheel with the grease nipple turned outwards and the seals carefully in place on the wheel bushing. Insert the axle bolt through the wheel and the wheel carriage. Fit the washer and nut and tighten firmly. 6. Grease the wheel bearings. 8011-176 Applies to model AR25. 1. Make sure the machine is parked on level ground and that the engine is off. 2. Lower the rear wheel control so that the lawn aerator is resting on the tines. 3. Turn the depth adjustment knob for rear wheel depth/stability clockwise so that the rear wheels are set at minimum depth and increased stability. 4. Remove the hairpin cotter pin (1). 5. Remove the wheel and axle assembly from the machine (2). 6. Refit the hairpin cotter in the axle to prevent loss. 8011-096 English – 33
Page 1: Operator´s manual AR19 AR25 Please
Page 4 and 5: Congratulations INTRODUCTION Thank
Page 6 and 7: SYMBOLS AND DECALS WARNING! Xxxx xx
Page 8 and 9: SAFETY INSTRUCTIONS General The obj
Page 10 and 11: SAFETY INSTRUCTIONS Preparations
Page 12 and 13: SAFETY INSTRUCTIONS • Smoking, op
Page 14 and 15: SAFETY INSTRUCTIONS Maintenance •
Page 16 and 17: PRESENTATION Engine Exterior engine
Page 18 and 19: PRESENTATION Spark plug The engine
Page 20 and 21: Controls on the handle Rear wheel c
Page 22 and 23: Starting the engine Check that all
Page 24 and 25: RUNNING Aeration tips Should I wate
Page 26 and 27: MAINTENANCE Maintenance schedule Th
Page 28 and 29: MAINTENANCE Cleaning the sludge res
Page 30 and 31: MAINTENANCE Ignition system The eng
Page 32 and 33: Replacing and adjusting the drive b
Page 36 and 37: MAINTENANCE Tines and tine shaft Re
Page 38 and 39: MAINTENANCE Chain Replacing the cha
Page 40 and 41: LUBRICATION Lubrication schedule 80
Page 42 and 43: LUBRICATION Checking the engine’s
Page 44 and 45: 7. Adjustment for rear wheel depth/
Page 46 and 47: ASSEMBLY INSTRUCTIONS Applies to mo
Page 48 and 49: WIRING DIAGRAM 8011-099 8011-050 1.
Page 50 and 51: TECHNICAL DATA Engine unit AR19 AR2
Page 52 and 53: ○ ○ ○ ○ ○ ○ ○ ○ ○
Page 54 and 55: ○ ○ ○ ○ ○ ○ ○ ○ ○
Page 56: ´+H"r6=¨ 114 00 28-26 2001W35

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