Ingersoll-Rand BU7A Product Information
Air winch
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Also See for BU7A:
- Parts, operation and maintenance manual (44 pages) ,
- Product maintenance information (13 pages) ,
- Installation and operation manual (113 pages)
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Summary of Contents for Ingersoll-Rand BU7A
- Page 1 Product Information BU7A AIR WINCH (Dwg. MHP1233) Save These Instructions Form MHD56381 Edition 2 October 2010 43809417 2010 Ingersoll-Rand Company ©...
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Page 2: Product Description
MHD56382 PRODUCT DESCRIPTION The BU7A winch is powered by a radial piston air motor. The output from the motor is transferred through the drum by the drive shaft. The drive shaft rotates a series of connected spur gears which form a reduction assembly. Output from the reduction assembly drives the wire rope drum. -
Page 3: Specifications
(2) RC without AB is for pulling applications only. Do not use for lifting or lowering, as the operator may be too far away to operate a manual brake. (3) Free spool clutches are standard on BU7A winches. A disengaging clutch, however, will not be supplied on units ordered with automatic brakes (AB). -
Page 4: Installation
0.72 and multiply that value by the factor corresponding to the operating pressure from the table. 0.89 0.86 Example: Model BU7A at 750 lbs with 70 psi and drum half full. 1.00 1.00 To determine speed from curve: 1.11 1.14 50 fpm x 0.72 = 36 fpm. -
Page 5: Air Supply
Table 5: Breaking Strength* n Air Supply Rope Size Weight per ft Weight per (in.) (lbs) metre (kgs) The air supply must be clean, free from moisture and lubricated to ensure optimum 1/4 (0.25) 6,800 3084 0.11 0.15 motor performance. Foreign particles, moisture and lack of lubrication are the primary causes of premature motor wear and breakdown. -
Page 6: Operation
2. Check oil level in motor and gear case grease are correct. Top off levels as required n Natural Gas Operation (optional feature) before operation as described in “LUBRICATION” section on page 8. 3. Operate winch in both directions with no load for one to two minutes. 4. -
Page 7: Frequent Inspection
INSPECTION Inspection information is based in part on American Society of Mechanical Engineers 8. Pendant (optional feature). Ensure operation of pendant levers is smooth and Safety Codes (ASME B30.7). winch is responsive to pendant control. Pendant levers must spring return to the neutral position when released. -
Page 8: General Lubrication
LUBRICATION To ensure continued satisfactory operation of the winch, all points requiring The motor should be level-checked daily or at the start of each shift after any lubrication must be serviced with the correct lubricant at the proper time interval as accumulated water has been drained off. - Page 9 PRODUCT INFORMATION GRAPHICS Bolt Hole Dimensions Air Out Regulator Air In Lubricator Filter (Dwg. MHP0191) (Dwg. MHP0548) (Dwg. MHP1288) P a yo u t Y ell ow Haul-in S u pp l y S u pp l y Green R e d R e d P a yo u t Y ell ow...
- Page 10 PRODUCT INFORMATION GRAPHICS (CONTINUED) Haul-in Payout (Dwg. MHP1239) Haul-in Payout (Dwg. MHP1319) (Dwg. MHP1546) Form MHD56381 Edition 2...
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Page 11: Warranty
WARRANTY Ingersoll Rand Limited Warranty IR's maximum liability is limited to the purchase price of the Product and in no event Ingersoll Rand Company (“IR”) warrants to the original user its material handling shall IR be liable for any consequential, indirect incidental or special damages of any products (“Products”) to be free of defects in material and workmanship for a period nature arising from the sale or use of the Product, whether in contract, tort or of one year from the date of purchase. - Page 12 www.ingersollrandproducts.com...
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