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Hersteller: Clarke Dateigröße: 358.76 kb Dateiname: sps28b_service.pdf Unterrichtssprache:

WARNING: To prevent injury always stop the engine or motor before doing any maintenance or repairs to this machine. Separate the connectors between the machine and batteries. Disconnect the wire from the spark plug. How To Check the Engine 1. Check oil level regularly. Change oil after using first two tanks of gasoline. change oil regularly after each twenty- five (25) operating hours, or more often in extremely dirty conditions. 2. Keep the engine clean and remove dirt and oil from coiling fins, screen and flywheel for best engine performance and to prevent damage from overheating. Do not allow dirt to enter the engine when checking oil or adding fuel. Wire brush carbon deposits from spark plug electrodes and regap at .030 in. How to Clean the Engine Air Filter Clean and re-oil every ten (10) hours - more often under extremely dusty conditions. 1. Remove filter element. Separate pre-filter from pleated filter. 2. Clean pre-filter only in detergent and warm water. 3. Squeeze dry. 4. Apply liberal amount of clean engine oil and distribute evenly. Squeeze out excess oil. 5. Install element. Lubrication The Model SPS-28 has one grease fitting on the main drive wheel. Apply two strokes of lubricant (PN 883853) from a grease gun each month. (See Fig. 8) WARNING: To prevent injury and damage, remove the batteries or gasoline before tipping the machine. To get access to the grease fitting, remove the batteries and hoppers and tip the machine on its side. Fig. 8 Page 12 CLARKE TECHNOLOGY Model SPS-28 Space Sweeper Operator's Manual Drive Belts WARNING: To prevent injury always stop the engine or motor before doing any maintenance or repairs to this machine. The drive belts are automatically tensioned by a spring- loaded idler wheel. (See Fig. 9) 1. Remove the idler pulley tension spring. 2. Slip the belt off the pulley. 3. Install a new belt. 4. Assemble idler tension spring. 5. Align pulleys and belts if necessary. Main Broom Adjustment The main broom should be periodically readjusted as needed to compensate for wear. Use the broom-adjusting lever to accomplish this. rotate counterclockwise to lower and clockwise to raise. (See Fig. 2, page 6) Side Broom Belt Adjustment To increase tension on the side broom belt, loosen the two (2) socket set screws. Push the split clamp forward on the tubular frame until belt is sufficiently tight to drive broom without slipping. Tighten clamp screws. Friction Drive Wheel The friction drive wheel should be adjusted so it touches the mating drive wheel. The machine should NOT creep or move when the operator handle is in neutral "UP" position. (See Fig. 10) ENGINE SPEED ADJUSTMENT (Model 28G) The engine speed (rpm) is governor-controlled and preset at the factory at 2150 rpm (no load). Should it be necessary to check or readjust this setting, use a good strobe tachometer and adjust the governor rod threaded end to maintain 2150 rpm (no load). Be certain all brooms are raised for this adjustment. Installation of new Main Brush The main brush is made up of five (5) bristle strips, installed and retained on the core by three (3) screws and washers for each strip. Do not change (1) new bristle strip with (4) worn strips. Remove the three screws and washers and the bristle strip retained by them. Install the new strip and assemble the retaining screws and washers. Be sure to install the "V" of each strip in the same relation to the core as its companion strips. (See Fig. 11) Fig. 9 Fig. 10 Fig. 11 CLARKE TECHNOLOGY Model SPS-28 Space Sweeper Operator's Manual Page 13 Installation of New Main Brush (cont) Remove the three screws and washers and the bristle strip retained by them. Install the new strip and assemble the retaining screws and washers. Be sure to install the "V" of each strip in the same relation to the core as its companion strips. (See Fig. 11, page 11) CAUTION: The strips must be carefully centered on the core before they are firmly locked into position. Rotate the broom by hand through a full revolution to check for possible interference with the shaft carriers at each end. Failure to check this area could result in damage to the drive mechanism. Continue to replace one strip at a time, checking end clearance on each end, until all strips have been replaced with new fillers. Readjust the broom to allow for the new bristle strips. The main brush is preadjusted at the factory to insure even engagement with the floor across its full width. However, should the brush show signs of uneven wear, end to end, compensating adjustments may be made. Raise or lower either end as required by changing the length of the adjusting rod. (See fig. 12) SHOP EVALUATION OF CHARGERS (Qualified Service Personnel Only) Service Hints 1. Check the AC power supply (plug, cords, building fuses and switched, etc.) 2. Check for physical damage. 3. If there is no DC output, check for blown internal fuse(s); blown fuses may be caused by reversed DC connections or by a defective diode. 4. Check parts - am...

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