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MAINTENANCE GUIDE

ULTRAEDGE™ LHD LIP SHROUD SYSTEM

INSTALLATION, MAINTENANCE AND REMOVAL INSTRUCTIONS

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Summary of Contents for Esco ULTRAEDGE

Page 1: ...MAINTENANCE GUIDE ULTRAEDGE LHD LIP SHROUD SYSTEM INSTALLATION MAINTENANCE AND REMOVAL INSTRUCTIONS ...

Page 2: ... should be acted upon to avoid significant equipment or machine damage that could result in unplanned downtime or maintenance WARNING Read this entire brochure prior to conducting the procedures described in this manual Failure to follow these instructions could result in injury or death WARNING When performing the work described in these instructions use proper personal protection equipment to he...

Page 3: ...age 6 1 6 Installing Bolts Page 6 1 7 Tightening Bolts Page 7 1 8 Supplemental Steps Page 8 2 Maintenance 2 1 Preparing the Machine and Bucket for Work Page 9 2 2 Checking and Tightening the Bolts Page 9 2 3 Checking Shrouds and Bolts for Loosening Page 9 2 4 Checking Shrouds for Wear Page 9 3 Removal 3 1 Preparing the Machine and Bucket for Work Page 10 3 2 Cleaning Out Bolt Head Page 10 3 3 Remo...

Page 4: ...w Before performing any work a risk assessment in accordance with worksite requirements must be performed to identify potential hazards and establish safe procedures for completing the necessary tasks 3 Energy and machinery isolation Isolate lock tag release energy and test for dead 4 Shroud nuts are delivered with top and bottom dust covers Remove and discard before installing the shroud 1 Instal...

Page 5: ...t leave the nuts rotated about 45 See Figure 1 3 1 WARNING When inspecting shroud ensure that the shroud is positioned against motion Figure 1 3 1 Nuts Angled at 45 1 4 Position Shroud on Lip 1 Shroud must have full contact on leading edge See Figure 1 4 1 2 Shroud must have contact along bottom surface See Figure 1 4 1 Contact Figure 1 4 1 Shroud Placement on Lip ...

Page 6: ...ing Threads with Lip Holes 1 6 Install Bolts 1 Lubricate bolts with anti seize compound 2 Insert bolt and washer and tighten lightly by hand or with small ratchet and 46mm socket See Figure 1 6 1 Contact Figure 1 6 1 Installing Bolts Figure 1 6 2 Hex Bit Placement Tip If the condition of the bolt binds or does not thread easily on the nut insert a 19mm Hex Bit into the nut from the bottom of the s...

Page 7: ...he remaining bolts in each shroud Tighten in the order shown See Figure 1 7 3 Tip Using a brass or copper hammer jolt each bolt head 3 times to help settle the shroud and fasteners then retighten to 1 000 ft lbs See Figure 1 7 4 Figure 1 7 1 Bolt Tightening Figure 1 7 2 Shroud and lip contact Contact Figure 1 7 3 Bolts Tightening Patterns 3 4 4 3 1 2 2 1 2 1 1 2 3 3 4 Figure 1 7 4 Settling shroud ...

Page 8: ...wn on the shroud to pull the shroud back firmly to the lip See Figure 1 8 2 3 Relax the nut approximately 1 8th turn to eliminate any binding or loading of the bolt on the lip hole See Figure 1 8 3 4 Hold Hex Bit firmly to eliminate motion of the nut and tighten bolt until it is firmly seated See Figure 1 8 4 Figure 1 8 2 Hex Bit rotation 1 8 Supplemental Steps If using an impact wrench to perform...

Page 9: ...s hammer jolt each bolt head three times to help settle the shroud nut and bolt 3 Tighten all bolts with torque wrench to 1 000 ft lb 4 Some bolt rotation is expected since there can be some settling of the system 2 3 Check Shrouds and Bolts for Loosening 1 Using a brass hammer jolt each shroud and check for loosening Look for movement around the bolts and shroud to lip interface areas 2 Visually ...

Page 10: ...e with worksite requirements must be performed to identify potential hazards and establish safe procedures for completing the necessary tasks 3 Energy and machinery isolation Isolate lock tag release energy and test for dead 3 2 Clean Out Bolt Head 1 Remove fines from around bolt head See Figure 3 2 1 2 Secure shroud against movement 3 3 Remove Bolts 1 Remove bolts using a 46mm socket and impact w...

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Page 12: ...P6057MIN ENG L0418 2018 ESCO Group LLC All Rights Reserved www esco weir ...

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