Paccar Winch BRADEN BA3A Installation Maintenance And Service Manual

Air winch

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BA3A AIR WINCH
Installation, Maintenance, and Service
Manual
LIT2272 R5
3/2011
PACR
WINCH DIVISION
P.O. BOX 547 BROKEN ARROW, OK U.S.A. 74013
PHONE (918) 251-8511 FAX (918) 259-1575
www.paccarwinch.com
PRINTED IN U.S.A
COPYRIGHT 2011 PACCAR WINCH DIVISION.
ALL RIGHTS RESERVED.

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Summary of Contents for Paccar Winch BRADEN BA3A

  • Page 1 BA3A AIR WINCH Installation, Maintenance, and Service Manual PACR WINCH DIVISION P.O. BOX 547 BROKEN ARROW, OK U.S.A. 74013 PRINTED IN U.S.A PHONE (918) 251-8511 FAX (918) 259-1575 COPYRIGHT 2011 PACCAR WINCH DIVISION. LIT2272 R5 www.paccarwinch.com ALL RIGHTS RESERVED. 3/2011...
  • Page 3: Table Of Contents

    TABLE OF CONTENTS FOREWORD ..............2 MODEL AND SERIAL NUMBER LOCATION .
  • Page 4: Foreword

    FOREWORD The information in this manual has been prepared to provide assistance with the safe installation and operation of your new Braden planetary hoist. The manual also includes basic hoist operation, installation and recom- mended planetary gear oil. Read and understand all the information in this manual before installing or operat- ing your hoist.
  • Page 5: General Safety Recommendations

    1. Ensure personnel are clear of the lift area BEFORE 1. Do not weld on any part of the winch without approval operating the winch. from PACCAR Winch Engineering. 2. Read all warning and caution tags provided for safe 2. Install guarding to prevent personnel form getting any...
  • Page 6: Wire Rope Spooling

    WIRE ROPE SPOOLING the drum. The grooves can be cast or machined into the Right Hand Overwound Winch Spooling drum, or cast or machined into separate pieces that are mechanically fastened to the drum. NOTE: Only one size cable can be used on a grooved drum. Sprag or Over-Running Clutch: A mechanical one- way clutch on the input shaft of the hoist, between the...
  • Page 7 Fleet Angle - The angle between the wire rope’s position at the extreme end wrap on a drum, and a line drawn per- pendicular to the axis of the drum, through the center of the nearest fixed sheave or load attachment point. Wrap - A single coil of wire rope wound on a drum.
  • Page 8: Basic Operation

    BASIC OPERATION DESCRIPTION OF HOIST Static Friction Brake Applied Figure 5 The hoist is made up of the following sub-assemblies: 1. Air motor Sprag 2. Drum, drum closure, ball bearings and oil seals Cams 3. Base, bearing support and motor adapter 4.
  • Page 9: Installation

    INSTALLATION GENERAL REQUIREMENTS 1. The hoist must be mounted with the centerline of the drum in a horizontal position. The mounting plane can DO NOT install any detents or latching mechanism that be rotated to any position around this centerline, pro- would hold the control valve in an actuated or running viding the vent plug is positioned above the oil level.
  • Page 10: Wire Rope Installation

    WIRE ROPE INSTALLATION - (ONE PIECE CABLE WEDGE) and push the free end about 3/4 of the way back through the pocket. Install the wedge as shown in figure 1, then pull the slack out of the wire rope. The “dead” end of the THE CABLE ANCHORS ALONE ON HOISTS ARE rope needs to extend slightly beyond the end of the NOT DESIGNED TO HOLD RATED LOADS.
  • Page 11 Correct Installation Drive from this side Wedge and wire rope fully seated in pocket Figure 2 Figure 1 Incorrect Installations Wedge pulled too far through anchor pocket Wedge not fully seated • “Dead” end of wire rope and/or wedge may •...
  • Page 12: Hoist Operation

    HOIST OPERATION The following warnings and instructions are basic to safe hoist operation. Please read them carefully and follow them each time your hoist is operated. These instructions are provided in addition to any information furnished by the Original Equipment Manufacturer. Equipment operators should be completely familiar with the overall operation of the piece of equipment on which the hoist is mounted (i.e.
  • Page 13: Recommended Fastener Torque

    3. Ensure the preventative maintenance requirements, • Slowly lift the load a short distance and stop. A on pages 12 and 13 of this manual have been met. small amount of "bounce" may be observed, Inspect the wire rope and winch and repair any depending on the weight of the load, size and defects before operating the winch.
  • Page 14: Preventive Maintenance

    PREVENTIVE MAINTENANCE A regular program of preventive maintenance for your 1. Check for external oil leaks and repair as necessary. planetary hoist is required to minimize the need for emer- This is extremely important due to the accelerated gency servicing and promote safe, reliable hoist opera- wear that can be caused by insufficient lubricat- tion.
  • Page 15 Quarterly Inspection (every 3 months) or monthly in The gear oil should be changed whenever the ambi- Severe Duty Applications or prior to placing the machine ent temperature changes significantly and an oil from in service if it has not been used for three months or a different viscosity range would be more appropriate.
  • Page 16: Recommended Planetary Gear Oil

    RECOMMENDED PLANETARY GEAR OIL Field experience, supported by extensive engineering tests, indicates the use of the proper planetary gear oil is essen- tial to reliable and safe operation of the brake clutch and obtaining long gear train life. CAUTION WARNING Failure to use the proper type and viscosity of planetary gear oil may contribute to intermittent brake clutch slippage which could result in severe personal injury, death, or property damage.
  • Page 17: Air Motor And Airline Oil

    AIR MOTOR AND AIRLINE OIL Air Motor and Airline Lubricator Recommended Lubricants for normal ambient temperature 32-90° F (0-32° C). Crankcase Airline Shell Tellus 100 Tellus 32 or 37 B.P. Energol HL175 Energol HLP65 or 68 Esso Nuto H.64 or 68 Fanox 32 or 38 Regent Regal PE.RO...
  • Page 18: Inspection Records & Retention

    INSPECTION RECORDS & RETENTION Crane inspection reports as well as records of preven- ized Service Centers. These Service Centers have tive maintenance, repairs and modifications to hoists factory trained service technicians, up-to-date service should be available and accessible for a minimum of information, extensive parts inventories, complete test- four years.
  • Page 19: Oil Sampling And Analysis

    OIL SAMPLING AND ANALYSIS Proper oil sampling and analysis of the sample, is a Analysis vital part of a comprehensive preventive maintenance General Guidelines program. Information obtained from the oil analysis is (After approximately 250 hours of operation) best utilized in conjunction with a regular program of preventive maintenance.
  • Page 20: Troubleshooting

    TROUBLESHOOTING If a winch ever exhibits any sign of erratic operation, or load control difficulties (i.e. load creeping or chattering), appropriate troubleshooting tests and repairs should CAUTION WARNING be performed immediately. Continue operation in this manner may result in prop- erty damage, serious personal injury or death.
  • Page 21 TROUBLE PROBABLE CAUSE REMEDY The brake will not hold the 1. Pressure is trapped in the brake Slowly loosen fitting downstream of quick load with the control lever piston because of a faulty quick exhaust valve. Air escaping through loose fit- in neutral.
  • Page 22 TROUBLE PROBABLE CAUSE REMEDY The winch runs hot 1. Same as D1. See remedies in D1. 2. Damaged internal winch parts. Disassemble and inspect the winch. The wire rope does not 1. The winch may be mounted too Check mounting distance and fleet angle. spool smoothly on the close to the main sheave, causing Reposition winch as required.
  • Page 23: Service Precautions

    SERVICE PRECAUTIONS • Before any part is removed from the winch, all service instructions should be read and understood. • Work in a clean, dust free area. Cleanliness is critical when servicing the winch. • Prior to installation, inspect all replacements parts for shipping damage. •...
  • Page 24: Winch Disassembly

    WINCH DISASSEMBLY Use the following procedure to disassemble the winch. 1. Remove the wire rope from the winch drum and align 6. Remove the input shaft (214). Remove the retaining the drain hole in the drum with a hole in the support ring (208), and then the bearing carrier (231) and side plate before removing the air hoses and mount- overrunning clutch assembly (100).
  • Page 25 THIS PAGE INTENTIONALLY LEFT BLANK...
  • Page 26: Winch Cross-Section

    WINCH CROSS-SECTION...
  • Page 28: Winch Assembly

    WINCH ASSEMBLY Replace seals in winch drum and closure and replace all (202) on top of the brake springs. o-rings. 12. Install the brake discs on the pressure plate. The 1. Prepare for installing bearing support (1) into support brake plate (204) is first followed by a friction disc end side plate (20) by placing side plate on a work (205) and alternating.
  • Page 29: Planet Carrier Service

    PLANET CARRIER SERVICE OUTPUT PLANET CARRIER DISASSEMBLY 3. Now you can remove the planet shafts, bearings, spacer, thrust washers and gears. Thoroughly clean all parts and inspect for damage and wear. The bear- ing rollers should not exhibit any irregularities. If the rollers show any sign of spalling, corrosion, discol- 1.
  • Page 30 2. Insert two (2) bearings and a bearing spacer into a 4. Note that the roll pin is slightly recessed in the carrier gear with the spacer between the bearings. Place a when properly installed. With a center punch, stake thrust washer on each side of the gear and position in the carrier next to the pin hole as shown.
  • Page 31: Brake Clutch Service

    BRAKE CLUTCH SERVICE DISASSEMBLY 4. Next, slide the sprag clutch out, inspect the sprag clutch closely for abnormal wear, cracks, pitting or 1. Remove the snap ring and sprag bushing retainer corrosion. Check small clips for breakage or bright from one end only. spots;...
  • Page 32 2. Turn the assembly over and install the sprag clutch in the bore of the outer race. 6. Turn the assembly over with the snap ring down. Install the second retainer and snap ring. Make cer- 3. Press the remaining bushing into the race. Again, tain the snap ring is seated in the groove make sure the bushing is against the shoulder.
  • Page 33: Air Motor Service

    AIR MOTOR SERVICE 8. DISASSEMBLY PROCEDURE 4. Remove locking nut (22) and the crank bolt (21). A. Preparing for Motor disassembly 1. Remove the motor from its operating position to a 5. Both balance weights (part no. 20A and 20B) can now clean working surface ready for stripping, externally be disengaged.
  • Page 34 9. ASSEMBLY PROCEDURE 8. Rotate the crank to the next top dead centre position All parts should be clean and liberally coated with oil. and repeat the procedure for each piston. Turn crank 360 degrees to check correct functioning. 1. Assemble the spacing washer (13) on to the crank- shaft outer section locating the dowel pin (23).
  • Page 36: Band Brake Adjustment

    Manual Band Brake Adjustment 1. Adjust rod end (item 807) to 0.88 in. (22 mm) as shown. 2. Adjust brake band adjusting link (item 804) to 1.22 - 1.34 in. (31 - 34 mm). 3. Apply brake - adjust as needed to allow handle to lock in place with a hard pull. 4.

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