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Tulsa RUFNEK 130 Service Manual

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INTRODUCTION AND THEORY OF OPERATION ..................................................................................... 2
ASSEMBLY NUMBER EXPLANATION ...................................................................................................... 2
WINCH MODEL CODES .............................................................................................................................. 2
MAINTENANCE............................................................................................................................................ 3
GENERAL DISASSEMBLY.......................................................................................................................... 3
A. MOTOR DISASSEMBLY................................................................................................................................................................3
B. BRAKE SECTION DISASSEMBLY ................................................................................................................................................3
C. DRUM SECTION DISASSEMBLY .................................................................................................................................................3
D. GEAR SECTION DISASSEMBLY..................................................................................................................................................3
E. INPUT PLANET SET DISASSEMBLY............................................................................................................................................3
F. SECONDARY PLANET SET DISASSEMBLY................................................................................................................................3
G. OUTPUT PLANET SET DISASSEMBLY .......................................................................................................................................3
GENERAL ASSEMBLY................................................................................................................................ 3
H. OUTPUT PLANET SET ASSEMBLY .............................................................................................................................................3
I. SECONDARY PLANET SET ASSEMBLY .......................................................................................................................................3
J. INPUT PLANET SET ASSEMBLY ..................................................................................................................................................3
K. GEAR END ASSEMBLY ................................................................................................................................................................3
L. DRUM SECTION ASSEMBLY........................................................................................................................................................3
M. BRAKE SECTION ASSEMBLY .....................................................................................................................................................3
N. MOTOR ASSEMBLY .....................................................................................................................................................................3
TROUBLESHOOTING.................................................................................................................................. 3
RUFNEK 130 BILL OF MATERIAL ............................................................................................................. 3
VISCOSITY CHART ..................................................................................................................................... 3
TORQUE SPECIFICATIONS CHART.......................................................................................................... 3
RUFNEK 130 ISOMETRIC DRAWING ........................................................................................................ 3
SEL-0042-003.doc
REV-0
RUFNEK 130
SERVICE MANUAL
DESIGN SERIES 003

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Summary of Contents for Tulsa RUFNEK 130

  • Page 1 K. GEAR END ASSEMBLY ................................3 L. DRUM SECTION ASSEMBLY................................3 M. BRAKE SECTION ASSEMBLY ..............................3 N. MOTOR ASSEMBLY ..................................3 TROUBLESHOOTING..........................3 RUFNEK 130 BILL OF MATERIAL ......................3 VISCOSITY CHART ............................. 3 TORQUE SPECIFICATIONS CHART......................3 RUFNEK 130 ISOMETRIC DRAWING ......................3 SEL-0042-003.doc...

  • Page 2: Introduction And Theory Of Operation

    INTRODUCTION AND THEORY OF OPERATION The Rufnek series planetary winch is designed to use a high-speed gear motor, driving through a multiple disc brake, through three planet sets to the cable drum. The multiple-disc brake is spring applied and hydraulically released through a port in the brake housing.
  • Page 3 FAILURE TO HEED THE FOLLOWING WARNINGS MAY RESULT IN SERIOUS INJURY OR DEATH. The safety of the winch operator and ground personnel should always be of great concern, and all necessary precautions to insure their safety must be taken. The primary mover and the winch must be operated with care and concern for the equipment and the environment and with a thorough knowledge of the equipment and its performance capabilities must be understood.
  • Page 4 Operator: Must read and understand the operating and service manual. Both the SERVICE MANUAL and OPERATING AND MAINTENANCE MANUAL are available online at http://www.team-twg.com/TulsaWinch/ Must never lift or move people with this winch. This winch is not designed or intended for any use that involves moving people. Must stay clear of the load at all times.

  • Page 5: Maintenance

    MAINTENANCE Tulsa Rufnek series planetary winches, like any other piece of machinery, need to be periodically serviced and well maintained to insure proper operation. Good maintenance consists of four steps. 1. A daily inspection to insure that there are no oil leaks present and that all mounting bolts and other fasteners are tight, and that the wire rope is in good condition.

  • Page 6: General Disassembly

    GENERAL DISASSEMBLY A. MOTOR DISASSEMBLY 1. Drain the oil from the brake assembly by 5. Remove the counterbalance valve (28) from removing the plug (94) from the bottom of the counterbalance block (79) and inspect the brake cover (18). the metering hole to make sure it is not obstructed.
  • Page 7 B. BRAKE SECTION DISASSEMBLY 1. Evenly remove the four capscrews (60) that 4. Inspect the o-rings (55, 57) and back up hold the brake cover (18) in place. Spring rings (56, 58) on the piston. Grasp the pressure will raise the cover up as the cap brake driver/clutch assembly (assembled screws are loosened.
  • Page 8 BRAKE SECTION DISASSEMBLY CONTINUED 6. To disassemble the brake driver/clutch 7. Remove the bearing housing (68) and assembly, remove the retaining ring (66) inspect the bearing (50). from either end of the driver. Then, remove the brake driver (69) and bearing (67) from 8.
  • Page 9 C. DRUM SECTION DISASSEMBLY 1. To remove the drum, first disconnect the brake band air cylinder. You can now cable from the U-bolt (43) and lay aside. If remove the brake band assembly (77). Note removing the drum from the motor end with which frame the mounting bolts are on for the motor and brake disassembled, first re-assembly.

  • Page 10: Clutch Inspection

    CLUTCH INSPECTION...
  • Page 11 D. GEAR SECTION DISASSEMBLY 1. Drain the oil by removing the plug (31) 6. Remove the secondary gear housing (9) by located on the bottom of the end cover (3). removing the eight capscrews (35). Inspect the o-ring (36) and replace if necessary. 2.
  • Page 12 E. INPUT PLANET SET DISASSEMBLY 1. Remove the retaining rings (22-4) from the 3. Remove the planet gears (22-2), thrust planet pins (22-5). washers (22-6), and bearings (22-3) from the carrier (22-1). 2. Remove the pins from the carrier (22-1) by carefully tapping them out.
  • Page 13 F. SECONDARY PLANET SET DISASSEMBLY 1. Remove the retaining rings (23-4) from the 3. Remove the planet gears (23-2), thrust planet pins (23-5). washers (23-6), and bearings (23-3) from the carrier (23-1). 2. Remove the pins from the carrier (23-1) by carefully tapping them out.
  • Page 14 G. OUTPUT PLANET SET DISASSEMBLY 1. Remove the retaining rings (24-4) from the 4. Remove the thrust plate (24-7) and snap planet pins (24-5). ring (24-8) from the carrier. 2. Remove the pins from the carrier (24-1) by 5. Inspect the parts for wear or damage and carefully tapping them out.

  • Page 15: General Assembly

    GENERAL ASSEMBLY H. OUTPUT PLANET SET ASSEMBLY 1. Insert the retaining ring (24-8) and thrust pins (24-5), press the pins into the carrier plate into the carrier (24-1) along with the (24-1). gears (24-2), bearings (24-3), and thrust washers (24-6). 3.
  • Page 16 I. SECONDARY PLANET SET ASSEMBLY 1. Insert the thrust plate (23-7) into the carrier pins (23-5), press the pins into the carrier (23-1) along with the gears (23-2), bearings (23-1). (23-3), and thrust washers (23-6). 3. Replace the retaining rings (23-4). 2.
  • Page 17 J. INPUT PLANET SET ASSEMBLY 1. Insert the thrust plate (22-7) into the carrier pins (22-5), press the pins into the carrier (22-1) along with the gears (22-2), bearings (22-1). (22-3) and thrust washers (22-6). 3. Replace the retaining rings (22-4). 2.

  • Page 18: Gear End Assembly

    K. GEAR END ASSEMBLY 1. Bolt the gear-housing (10) loosely into both frames (73, 74). Slide the output shaft (20) halfway into the gear housing Make sure to line up all three (10). planet gears in thesecondary gear set with the gear housing 2.
  • Page 19 L. DRUM SECTION ASSEMBLY 1. After inspecting and replacing the necessary and the brake band (77). Then, tighten the parts, such as the drum bushings (19), jam nut to secure the adjusting nut. install the drum (11) onto the output shaft (20).
  • Page 20 DRUM SECTION ASSEMBLY CONTINUED 6. Slide the brake housing (16) onto the output 10. If necessary, install the air cylinder (17) and shaft (20). the air cylinder cover (96) to the brake housing with four capscrews (51) and 7. Bolt the brake housing (16) loosely into both spacers (103).
  • Page 21 M. BRAKE SECTION ASSEMBLY 1. Re-assemble the driver/clutch assembly making sure the clutch is installed properly and checking to make sure the cam clutch is free turning in the pay in direction. Dip friction discs in lightweight Non-EP oil before installation. 7.

  • Page 22: Motor Assembly

    N. MOTOR ASSEMBLY 1. Install the o-ring (62) onto the motor (63) 4. Install the o-rings (26) into the manifold and install the motor using four capscrews block (78) and counterbalance block (79). (30). Tighten the capscrews to the proper Install the manifold block (78) and counter- torque specification (see page 28 of this balance block (79) using four capscrews...

  • Page 23: Troubleshooting

    TROUBLESHOOTING FAILURE PROBABLE CAUSE a) Excessive back pressure in the system. Check Winch won’t hold load. the system for restrictions and reduce the backpressure. b) Brake discs are worn out. Replace brake discs. c) Winch clutch is slipping. Inspect the clutch and driver for wear and replace worn parts.
  • Page 24 RUFNEK 130 BILL OF MATERIAL 81812003-BOM-AUGUST 2005 42031 HOSE ASSEMBLY 42438 STRAIGHT THREAD BRANCH TEE 44745 END COVER 42030 HOSE ASSEMBLY 41838 STRAIGHT ADAPTER 32477 CAPSCREW 42913 SECONDARY SUN GEAR 42914 OUTPUT SUN GEAR 43756 SECONDARY GEAR HOUSING 43749 GEAR HOUSING...
  • Page 25 24-7 43768 THRUST PLATE 24-8 43757 RETAINING RING 43372 CAPSCREW 32182 O-RING OMIT 41867 COUNTERBALANCE VALVE 32411 HEX PLUG 20524 CAPSCREW 41719 O-RING PLUG 42137 CAPLUG 43825 O-RING 42934 THRUST WASHER 28212 CAPSCREW 32368 O-RING 42935 THRUST WASHER 43807 THRUST WASHER 42978 SPECIAL O-RING PLUG 43753...
  • Page 26 20653 20652 LOCKWASHER 43808 RIGHT HAND FRAME 43809 LEFT HAND FRAME 43367 CARTRIDGE VALVE 42929 BRAKE BAND AIR CYLINDER 4343 BRAKE BAND ASSEMBLY 43368 MANIFOLD BLOCK 42029 COUNTERBALANCE BLOCK 42089 ADAPTER 43818 YOKE 42033 SWIVEL TEE 40280 FITTING 32145 CAPLUG 20521 20518 LOCKWASHER...

  • Page 27: Viscosity Chart

    VISCOSITY CHART...

  • Page 28: Torque Specifications Chart

    TORQUE SPECIFICATIONS CHART Plated Lubricated Plated Lubricated Grade 5 Grade 5 Grade 5 Grade 8 Grade 8 Grade 8 Torque Torque Torque Torque Torque Torque Nominal Size *(Ft-Lbs) *(Ft-Lbs) *(Ft-Lbs) *(Ft-Lbs) *(Ft-Lbs) *(Ft-Lbs) 5/16 5/16 7/16 7/16 9/16 9/16 1019 1-1/8 1288 1-1/8...
  • Page 29 RUFNEK 130 ISOMETRIC DRAWING DO NOT USE MAGNETS ON OR AROUND WINCH. PO Box 1130 Jenks OK 74037-1130 USA Phone: 918-298-8300 www.dovertwg.com...

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