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Summary of Contents for Ingersoll-Rand LCA750T
- Page 1 Product Maintenance Information Air Chain Hoist Model LCA750T (Dwg. MHP2986) Save These Instructions Form MHD56416 Edition 2 May 2009 45887577 2009 Ingersoll-Rand Company ©...
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Page 2: Periodic Inspection
Discard Length damaged parts. Clean, lubricate and reassemble. Hoist Model 3. Hooks. Inspect hooks carefully for cracks using magnetic particle or other suitable non-destructive method. Inspect hook retaining parts. Tighten or repair LCA750T 32 x 90 17.72 18.03 if necessary. -
Page 3: Periodic Maintenance
PERIODIC MAINTENANCE Table 5: Maintenance Interval Chart Normal Application The following work can be completed by owner maintenance personnel System Air Filter Inspect system air filter every 45 days or 125 hours. Grease Fittings Lubricate grease fittings every 180 days or 500 hours. Gearbox Oil Level Check oil level in gearbox every 120 days or 340 hours. -
Page 4: Inspection Report
INSPECTION REPORT Ingersoll Rand LCA750T Liftchain Air Hoist Model Number: Date: Serial Number: Inspected by: Reason for Inspection: (Check Applicable Box) 1. Scheduled Periodic Inspection ( ___ Quarterly ___ Semiannually ___ Yearly) Operating Environment: 2. Discrepancy(s) noted during Frequent Inspection 3. -
Page 5: Troubleshooting
TROUBLESHOOTING This section provides basic troubleshooting information. Determination of specific causes to problems are best identified by thorough inspections performed by Ingersoll Rand trained technicians. The chart below provides a brief guide to common hoist and trolley symptoms, probable causes and remedies. SYMPTOM CAUSE REMEDY... - Page 6 ’A’ Dimension Plate; D. 0.047 inch minimum (1.2 mm minimum). Hoist Model Use the following procedure to remove the brake. LCA750T 32 x 90 1.38 1. Remove the motor as described in ‘Hoist Motor Removal’ on page 7. 2. Remove the brake reaction plate (68), brake friction plate (66), drive plate (67) and brake piston (63).
- Page 7 7. To disassemble planetary assembly, remove bearings (221), push out planet axles (235) and remove planet gears (234), thrust rings (230), spacers (233) and bearings (229) and (232). 8. Remove ring gear (228). 9. Remove capscrews (242). 10. Separate gear flange (260) and reduction gear housing (241) from ring gear (254). 11.
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Page 8: Cleaning, Inspection And Repair
10. Remove supports (111) from trolley axle (107). 8. Remove plug (507) or emergency stop valve (508) from pendant handle (514). 11. Remove sleeves (109) from trolley axle (107). 9. Remove retainer ring (512) and exhaust washer (513). 12. Do not remove bushings (110) from trolley axle (107) or support (111) unless replacement is required. - Page 9 2. Press piston assembly into brake housing (207). Trolley Assembly 3. Install capscrews (201) in cover (202) and set on workbench with capscrew heads down. Refer to Dwgs. MHP2970 and MHP2978. 4. Grease and insert springs (203) in piston (204). 5.
- Page 10 8. Install cover (260) on central chain guide (141). 9. Install central chain guide (142) and seal bearing (162) on chain guide (144). 10. Install remaining caps (156), lockwashers (105) and capscrews (106) on connecting pins (145). 11. Install screw rods (153), lockwashers (154) and nuts (115). 12.
- Page 11 Conduct a load test to 125% of the rated system capacity. System Load Test Testing to more than 125% may be necessary to comply with standards and regulations set forth in areas outside of the USA. NOTICE • Refer to ”SPECIFICATIONS” section in Product Information Manual for applicable maximum system load capacity.
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Page 12: Torque Chart
TORQUE CHART Standard Coarse Thread Torque SAE Grade 5 SAE Grade 8 Size Lubricated PTFE Lubricated PTFE 1/4-20 8-10 12-14 9-10 5/16-18 17-20 13-15 25-28 18-21 11-13 3/8-16 31-35 23-26 14-16 44-49 33-37 20-22 7/16-14 49-56 37-42 22-25 70-79 52-59 31-36 1/2-13 75-85... -
Page 13: Service Notes
SERVICE NOTES Form MHD56416 Edition 1... - Page 14 SERVICE NOTES Form MHD56416 Edition 1...
- Page 15 SERVICE NOTES Form MHD56416 Edition 1...
- Page 16 www.irtools.com...
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