MAINTENANCE INTERVALS - Safety
Contents
1. Illustration 80 901059192 Inspect the wire bristle for any wear or for any damage To remove the wire bristle remove four bolts 2 Remove wire bristle 3 from bracket 12. Illustration 65 901936706 11 Attach broom frame 8 Use the same suitable lifting device Illustration 66 901936707 12 Drive the 10 into the broom frame 8 Install the pin assembly 9 Repeat for the other side 44 Maintenance Section Broom Shaft Bearing Lubricate SEBU7963 03 Illustration 67 g01936704 13 Install nuts 7 Repeat for the other side Illustration 68 901936703 14 Install the plate 6 Install the skirt 5 Connect the hose assemblies 4 Illustration 69 901936700 15 Install the plate 3 Install the shaft bearing 2 Install the skirt 1 Refer to Service Manual RENR5838 Broom Shaft Bearing Remove and Install for additional information on installing the shaft bearing 16 Attach the work tool to the host machine Refer to Work Tool Installation and Removal for information on installing the work tool 17 Adjust the operating height of the broom Refer to Adjustment for information on adjusting the broom 102183248 Broom Shaft Bearing Lubricate SMCS Code 7551 086 JF Illustration 70 901123221 Apply lubricant to the fitting for the bearing 1 Cutting Edges Inspect Replace SMCS Code 6801 040 G1 6801 510 G1 Personal injury or death can result from hopper falling Block the hopper before changing hopper wear edges 1 Use a suitable lifting device to support the broom housing
3. SEBU7963 03 45 Maintenance Section Cutting Edges Inspect Replace Illustration 71 g01123268 2 Remove bolt 1 and remove washer 2 from adjustment assembly on both sides of the utility broom Illustration 72 901154911 3 Remove 3 from bar 4 of the pivot 4 Remove bar 4 Illustration 73 901154912 5 Lift broom housing 5 from hopper 6 Set the broom housing aside Illustration 74 901123359 6 Block up the front of the hopper Do not block up the front of the hopper too high Block up the front of the hopper so that the front edge is high enough to remove the wear edge 7 Remove the bolts 7 Remove the wear edge 8 8 Clean the contact surfaces 9 Use the opposite side of the wear edge if this side is not worn 10 Install a new wear edge if both edges are worn 11 Install the bolts Tighten the bolts to the specified torque 12 Raise the front of the hopper Remove the blocks 13 Lower the hopper to the ground Illustration 75 901154912 14 Use suitable lifting device to align broom housing 5 with hopper 6 46 Maintenance Section Frame Mounting Bracket Inspect SEBU7963 03 Illustration 76 901154911 15 Install 3 bar 4 After few hours of operation check the bolts for proper torque i02305951 Frame Mounting Bracket Inspect SMCS Code 7
4. pattern during operation which indicates the orientation of the brush In most applications the top housing of the broom should be parallel with the surface that is being cleaned The pattern of the brush should be cylindrical and even If the pattern is cone shaped or if the pattern is uneven consult your Caterpillar Dealer In order to test the pattern of the broom perform the following steps 1 Raise the broom and move the host machine to a very dusty area 2 Place the broom in the operating position Operate the broom for a few seconds Note Do not move the host machine Otherwise a true test pattern can not be established 3 Raise the broom Back up the machine away from the area Identify the test pattern 12 m Illustration 44 900585016 An acceptable test pattern Illustration 45 900585017 An unacceptable test pattern 4 Check the test pattern Dimension A of the test pattern should be a uniform 51 to 152 mm 2 to 6 inches across the length of the broom Illustration 46 901154910 If itis necessary to adjust the height of the broom raise or lower the position of the bolts 1 on both sides of the broom Note Do not adjust the broom height with the tilt cylinders of the host machine Uneven wear of the bristles and premature wear of the bristles can occur The only method that will ensure even wear of the bristles is by adjusting the bolts on the ut
5. 050 040 MT Illustration 77 901154917 Inspect upper angled plate 1 and ensure that the plate is not bent or otherwise damaged Inspect holes 2 for excessive wear and for damage Inspect lower angled plate 3 and ensure that the plate was not bent or otherwise damaged Consult your Caterpillar dealer if any wear is suspected or any damage is suspected 102305955 Skirts Inspect Adjust Replace SMCS Code 7150 025 FRM 7150 040 FRM 7150 510 FRM Inspect the skirts for wear and for damage If necessary replace any worn skirts or any damaged skirts The front skirt should touch the ground slightly The side skirt should touch the ground slightly Illustration 78 901154922 adjust the front skirt the side the bolts 1 Reposition the skirt 2 and tighten the bolts To replace the front skirt remove six bolts 1 the two back plates and skirt 2 Install a new skirt the back plates and the six bolts Adjust the skirt to the desired position and tighten the bolts Illustration 79 901154927 adjust the side skirts the bolts 3 Reposition the skirt 4 and tighten the bolts To replace the side skirts remove the two bolts 4 Install a new skirt Adjust the skirt to the desired position and tighten the bolts SEBU7963 03 47 Maintenance Section Gutter Brush Inspect Replace Gutter Brush Inspect Replace SMCS Code 6707
6. 47 g01936700 1 Remove the skirt 1 Remove the shaft bearing 2 Remove the plate 3 Refer to Service Manual RENR5838 Broom Shaft Bearing Remove and Install for information on removing the shaft bearing Illustration 48 901936703 2 Disconnect the hose assemblies 4 Remove the skirt 5 Remove the plate 6 Illustration 49 901936704 3 Remove nuts 7 Repeat for the other side Illustration 50 g01937194 4 Attach a suitable lifting device in order to remove broom frame 8 Apply slight upward tension SEBU7963 03 41 Maintenance Section Broom Inspect Adjust Replace Illustration 51 901936707 5 Remove pin assembly 9 Repeat for the other side Drive pin 10 from the broom frame Remove pin 10 Illustration 52 901936706 6 Remove broom frame 8 The weight of broom frame 8 is approximately 230 kg 500 Ib Illustration 53 901936710 7 Attach a suitable lifting device in order to remove the brush assembly 11 8 Carefully move the brush assembly away from the broom Illustration 54 901937273 9 Remove the two bolts from end plate 12 Remove end plate 12 from core 13 Illustration 55 901937275 10 Remove the old segments of the brush from the core 13 Replacement Procedure Note In order to replace the segments t
7. MAINTENANCE INTERVALS Operation and Maintenance Manual Excerpt 2010 Caterpillar CATERPILLAR All Rights Reserved SEBU7963 03 CATERPILLAR iste Operation and Maintenance Manual BU115 and BU118 Utility Brooms JXS1 Up BU11 B 5 115 118 118 HJT1 Up BU LXB1 Up BU HJS1 Up BU 38 Maintenance Section Maintenance Interval Schedule SEBU7963 03 103675972 Maintenance Interval Schedule SMCS Code 6700 When Required Cutting Edges Inspect Replace 44 Skirts Inspect Adjust Replace 46 Daily Broom Inspect Adjust Replace 39 Broom Shaft Bearing Lubricate 44 Cutting Edges Inspect Replace 44 Frame Mounting Bracket Inspect 46 Skirts Inspect Adjust Replace 46 Gutter Brush Inspect Replace 47 SEBU7963 03 39 Maintenance Section Broom Inspect Adjust Replace 103606180 Broom Inspect Adjust Replace SMCS Code 6702 025 BQ 6702 040 BQ 6702 510 BQ Inspection Inspect the broom for uneven wear and for excessive wear If necessary replace the bristles Note Bristles that are less than two inches in length should be replaced Adjustment Uneven wear of the bristles can occur when the broom is used in industrial applications The brush leaves a
8. e pins must angle upward Illustration 61 901937278 SEBU7963 03 43 Maintenance Section Broom Inspect Adjust Replace 6 The fourth segment is a polypropylene bristle Slide the fourth segment onto the core The drive pins should be located on both sides of tube 1 The drive pins must angle downward 7 Follow this same pattern and continue to add segments The drive pins must alternate from an upward position to a downward position with each new segment Refer to illustration 57 Illustration 64 901936710 10 Carefully position the brush assembly 11 onto the broom Use the same suitable lifting device Illustration 62 901937333 a polypropylene bristle b wire bristle 8 Add segments until the core is full The last segment should be a polypropylene bristle Note In order to replace the segments the first segment and the last segment on the core must be polypropylene bristles Alternate the new segments Start with a polypropylene bristle Next add a wire bristle Next add a polypropylene bristle Continue adding segments according to this method Two identical types of bristles may be required in a row in order for each of the segments on the ends to be a polypropylene bristle 13 Illustration 63 901937273 9 Attach end plate 12 to core 13 Install the two bolts in end plate 12
9. he first segment and the last segment on the core must be polypropylene bristles Alternate the new segments Start with a polypropylene bristle Next add a wire bristle Next add a polypropylene bristle Continue adding segments according to this method Two identical types of bristles may be required in a row in order for each of the segments on the ends to be a polypropylene bristle 42 Maintenance Section Broom Inspect Adjust Replace SEBU7963 03 Illustration 56 g01937276 1 Number the tubes on the core as 1 2 and 3 Illustration 59 Illustration 57 g01233356 2 Become familiar with the orientation of the drive pins on the inside of the brush Notice that the drive pins angle The drive pins can angle upward or the drive pins can angle downward Flip the entire brush in order to change the direction of the drive pins Illustration 58 3 The first segment is a polypropylene bristle Slide the first segment onto the core The drive pins should be located on both sides of tube 1 g01937278 g01937279 4 The second segment is a wire bristle Slide the second segment onto the core The drive pins should be located on both sides of tube 2 The drive pins must angle downward Illustration 60 g01937282 5 The third segment is a polypropylene bristle Slide the third segment onto the core The drive pins should be located on both sides of tube 3 The driv
10. ility broom Replacement If it is necessary to replace the bristles refer to Service Manual RENR5838 for additional information on the procedure Remove the work tool from the host machine Refer to Work Tool Installation and Removal for information on removing the work tool 40 Maintenance Section Broom Inspect Adjust Replace SEBU7963 03 Removal Procedure Check valves in the hydraulic system may allow pressure to exist in the hydraulic lines after the en gine has been stopped Pressure must be relieved prior to servicing the components of the hydraulic system Failure to relieve pressure prior to servic ing may result in personal injury NOTICE Care must be taken to ensure that fluids are contained during performance of inspection maintenance test ing adjusting and repair of the product Be prepared to collect the fluid with suitable containers before open ing any compartment or disassembling any compo nent containing fluids Refer to Special Publication NENG2500 Caterpillar Tools and Shop Products Guide for tools and supplies suitable to collect and contain fluids on Caterpillar products Dispose of all fluids according to local regulations and mandates Note Put identification marks on all lines and on all hoses for installation purposes Plug all lines and all hoses This helps to prevent fluid loss and this helps to keep contaminants from entering the system Illustration
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