valutazioni - 2, GPA: 4.5
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Facilità d'uso
Brick should be thoroughly wet before laying, except in freezing weather. Bricks laid with the long dimension parallel to the face of the work are called stretches, perpendicular to the face are called headers. Bats (chalk bricks) should not be used except where necessary to make corners or to form patterns on the face of the walls. Walls are bonded or tied together longitudinally by overlapping stretches in successive courses. Transverse bond is obtained by making every sixth course headers with the headers themselves overlapping in successive courses in the interior of thick walls. Mortars – Mortar composition is dependent on the structural use of the masonry unit. It is also dependent upon grade, weather exposure and climactic condition. Consult you brick or block supplier, the ACI (American Concrete Institute) Manual of Concrete Practices or your local building codes for the proper mortar selection for each application form more information. 10 7 – LUBRICATION DRUM SEAL HOUSINGS Drum seals are provided on each end of the drum where the mixing shaft passes through to the bearings. It is important to pump grease into the housings through use to retain seal efficiency. Use enough grease to flush out old grease and carry away any grit. Use lithium based grade 2 multi-purpose grease. SEE FIGURE 3 MIXING SHAFT BEARINGS The mixing shaft bearings are permanently factory sealed and lubricated, and should not require further service. WHEEL BEARINGS Wheel bearings should be packed once a year. Thoroughly clean old lubricant from the bearings, hub and spindles before repacking. Pack bearings only one-half to two-thirds full with grease to prevent overheating. Use no. 2 wheel bearing grease. 11 DRUM SHAFT BEARING HANGERS Drum yoke bearing hangers are located on each side of the drum, and are equipped with grease fittings. These bearings should be lubricated once each week with lithium based grade 2 multi-purpose grease. ENGINE/MOTOR Refer to the engine/motor operating instructions for all maintenance and lubrication instructions and requirements. JACK SHAFT BEARINGS Pillow block style bearing are used on the drive train counter-shaft. See Drum Seal Housing, Lubrication Guidelines for more information. See Figure 4 for bearing locations. 8 – ADJUSTMENT RUBBER WIPER BLADES Adjust rubber wipers so they fit snugly against the drum but not to the point that they fold over when the blades rotate. 12 ENGINE/MOTOR DRIVE SEE FIGURE 4. 1. Align pulleys correctly 2. Tighten locking collars in the direction of rotation and tighten setscrews. 3. Adjust tension on the engine belt as follows: A. Place clutch lever in the engaged (drive) position. B. Move the engine/motor to tighten the belt until the engine plate is slightly above the horizontal position (about 1-2 degrees). Tighten engine/motor securely. 4. Adjust belt fingers so they do not touch the belt when the drive is engaged, but must allow disengagement of the belt when the drive is disengaged. 5. Adjust bull gear for minimum clearance of 3/16 inch from the pillow block stand and tighten both setscrews. 9 – STORAGE For short term storage, clean the mixer and store in a dry place. If the mixer is not to be used for an extended period of time, service the mixer completely and store in a dry place. 1. Refer to the engine/motor instructions for storage instructions. 2. Cover exposed metal surfaces with a thin coat of SAE 30 weight engine oil. 3. Lubricate per instructions outlined in the LUBRICATION section. 13 14 Concrete Mixer Parts List REF NO. PART NO. DESCRIPTION QTY DRUM & DRIVE 1 232444 Bearing Hanger 2 2 1031 Grease Fitting 4 3 232478 Gear (Gasoline Powered Models) 1 245498 Gear (Electric Powered Models) 1 4 245466 Drum Shell Assembly 1 5 245459 Grill Assembly 1 6 232459 Bearing Support Assembly 2 7 5126 Drum Tilt Lever 1 8 232465 Drum Seal 2 9 5095 Seal Housing 2 10 5097 Seal Retainer 2 11 232573 Shaft Seal 2 12 232462 Bearing, Drum Shaft (comes w/232463) 2 13 245477 Drum Shaft 1 14 232463 Locking Collar 2 15 *70343 Capscrew, Hex Hd 1/2-13 x 1 1/2 Gr. 5 4 16 *70430 Capscrew, Flat Hd 3/8-16 x 1 1/4 8 17 *71264 Capscrew, Hex Hd 1/4-28 x 1 GR 5 6 18 *70258 Capscrew, Hex Hd 3/8-16 x 2 Gr 5 2 19 *70563 Nut, Hex 1/2-13 4 20 *70553 Nut, Hex 3/8-16 18 21 *70649 Washer, 3/8 Spring Lock 20 22 *70655 Washer, 1/2 Spring Lock 4 23 *70643 Washer, 1/4 Spring Lock 6 24 *71023 Key, Square 3/8 x 3 1 25 *70069 Setscrew, Sq Hd Cup Pt 1/2-13 x 1 1/4 1 26 *70074 Setscrew, Sq Hd Cup Pt 1/2-13 x 1 1/2 1 27 *70429 Capscrew, Flat Hd 38-16 x 1 8 28 *70631 Nut, Cone Lock 3/8-16 2 29 233160 Grip, Drum Tilt Lever 1 30 *70235 Capscrew, Hex Hd 3/8-16 x 1 1 31 *70266 Capscrew, Hex Hd 3/8-16 x 2 12 Gr 5 1 *Local Source 15 16 Concrete Mixer Parts List MIXING BLADES REF NO. PART NO. DESCRIPTION QTY 1 245460 Mixing Arm Assembly, Engine End 2 2 245463 Mixing Arm Assembly, Tow End 2 3 245461 Mixing Arm Cap 4 4 5585 Drum Wrap Wiper 4 5 5643 Wrap Wiper Backing Plate 4 6 5088 End Wiper Backing Plate 2 7 5089...
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