Tulsa RUFNEK 60 Service Manual
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Tulsa RUFNEK 60 Service Manual

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MODEL CODE......................................................................................................................................................2
!WARNING!...........................................................................................................................................................3
INTRODUCTION AND THEORY OF OPERATION............................................................................................4
MAINTENANCE ...................................................................................................................................................4
GENERAL DISASSEMBLY .................................................................................................................................5
A. MOTOR DISASSEMBLY.............................................................................................................................5
B. BRAKE SECTION DISASSEMBLY ............................................................................................................5
C. DRUM SECTION DISASSEMBLY..............................................................................................................6
D. GEAR SECTION DISASSEMBLY .............................................................................................................6
E. PLANET SET DISASSEMBLY....................................................................................................................7
BLOCKED PISTON COVER DISASSEMBLY.....................................................................................................8
BLOCKED PISTON COVER ASSEMBLY...........................................................................................................8
GENERAL ASSEMBLY........................................................................................................................................9
F. GEAR END ASSEMBLY..............................................................................................................................9
G. DRUM SECTION ASSEMBLY....................................................................................................................9
H. BRAKE SECTION ASSEMBLY ............................................................................................................... 10
TROUBLE SHOOTING ..................................................................................................................................... 11
RUFNEK 60 SUB-ASSEMBLY BILL OF MATERIAL ....................................................................................... 17
RUFNEK 100 SUB-ASSEMBLY BILL OF MATERIAL .................................................................................... 18
VISCOSITY CHART .......................................................................................................................................... 19
TORQUE SPECIFICATIONS CHART.............................................................................................................. 20
EXPLODED ISOMETRIC ASS'Y ..............................................................................................21
SEL-0009
REV-2
RUFNEK 60/100
SERVICE MANUAL
1

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Summary of Contents for Tulsa RUFNEK 60

  • Page 1: Table Of Contents

    G. DRUM SECTION ASSEMBLY........................9 H. BRAKE SECTION ASSEMBLY ....................... 10 TROUBLE SHOOTING ............................. 11 RUFNEK 60 BILL OF MATERIAL, A & B ......................12 RUFNEK 100 BILL OF MATERIAL, A & B....................... 14 RUFNEK 60 SUB-ASSEMBLY BILL OF MATERIAL ..................17 RUFNEK 100 SUB-ASSEMBLY BILL OF MATERIAL ..................

  • Page 2: Model Code

    MODEL CODE RN100 L O 2 1 BASIC MODEL RN60/RN100 LEFT/RIGHT MOUNT SPOOL OVER/UNDER DRUM MOTOR TYPE 1. SINGLE SPEED GEAR MOTOR 2. TWO SPEED GEAR MOTOR 3. SINGLE SPEED GEROLER 4. TWO SPEED GEROLER 5. PISTON 6. VANE X. NO MOTOR MANUAL TWO SPEED GEARBOX 1.

  • Page 3: Warning

    FAILURE TO HEED THE FOLLOWING WARNINGS MAY RESULT IN SERIOUS INJURY OR DEATH. 1. Tulsa Winches are not to be used to lift, hoist, or move people. If your task involves lifting or moving people, you MUST use the proper equipment, not this winch.

  • Page 4: Introduction And Theory Of Operation

    Tulsa Rufnek series of winches are shipped from the factory with Mobilube SHC SAE 75W-90 gear lube in the gearbox and automatic transmission fluid in the brake section. This oil should be satisfactory for operation in ambient temperatures from -40°F to +110°F.

  • Page 5: General Disassembly

    GENERAL DISASSEMBLY A. MOTOR DISASSEMBLY 1. Drain the oil from the brake assembly by removing the plug (94) from brake cover (18). 2. Remove hoses (92A, 109 & 112). 3. Remove the counterbalance block (79); manifold block (119) and switch (118) from the motor by removing the four capscrews (110).

  • Page 6: Drum Section Disassembly

    C. DRUM SECTION it off as an assembly and see Service of Blocked Piston Cover Assembly. DISASSEMBLY 3. Inspect the o-ring (33), bearing (27), and spacer (127). Remove and inspect the outer 1. To remove the drum, first disconnect the cable thrust washer (34) and replace if necessary.

  • Page 8: Blocked Piston Cover Disassembly

    BLOCKED PISTON BLOCKED PISTON COVER COVER ASSEMBLY DISASSEMBLY 1. Inspect and replace any worn parts. With the piston (4B) and the spacer (108B) in place, assemble the sun gear (6B), thrust washer 1. Loosen the six capscrews (25B) that secure (75B), and spring (2B).

  • Page 9: General Assembly

    GENERAL ASSEMBLY F. GEAR END ASSEMBLY the input gear set and then secure the eight capscews (30) to the proper torque. On the motor end, lightly tap on the input shaft until it 1. Bolt gear-housing (10) loosely into both frames seats into the bearing (27) in the cover.

  • Page 10: Brake Section Assembly

    H. BRAKE SECTION ASSEMBLY Measure the distance as shown above. If bottom of each spring with chassis lube to needed add shims part number 33324 and keep it in position. 994188 inside input driver (64) to achieve Coat the o-ring (61) with oil or grease and above noted dimension.

  • Page 11: Trouble Shooting

    TROUBLE SHOOTING 1. PROBLEM: Winch won’t hold load. SOLUTION: a. Excessive back pressure in the system. Check 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. 2.

  • Page 12: Rufnek 60 Bill Of Material, A & B

    RUFNEK 60 BILL OF MATERIAL, A & B ITEM NO. PART NO. QTY. DESCRIPTION 43065 PISTON COVER 42908 SPRING 43180 COVER 43055 PISTON HOUSING 42910 PISTON 43067 SHIFT PLATE 43179 SUNGEAR 42998 SUNGEAR 42999 SECONDARY SUNGEAR 42996 OUTPUT SUNGEAR 43031...
  • Page 13 42941 CAPSCREW 42148 STATOR PLATE 32765 FRICTION DISC 42942 BRAKE PISTON 42335 O-RING 42336 BACKUP RING 32186 O-RING 42337 BACKUP RING 42230 BRAKE SPRING 33094 O-RING 34003 O-RING 43165 HYDRAULIC MOTOR, 2SPD. 43162 HYDRAULIC MOTOR, 1SPD. 43072 INPUT DRIVER 26980 RING, RETAINING 41723 RACE...
  • Page 14 109A 42495 HOSE 43372 CAPSCREW 42997 SUN GEAR 42030 HOSE 41719 PLUG 41867 COUNTERBALANCE VALVE 32411 PLUG 115B 42225 PLUG 42223 CHECK VALVE 42263 CAPSCREW 43367 SWITCH 43368 MANIFOLD BLOCK 42033 SWIVEL TEE 40280 STRAIGHT ADAPTER 43459 HOSE 42866 ZERK, GREASE 43578 AIR CYL.

  • Page 15: Rufnek 100 Bill Of Material, A & B

    RUFNEK 100 BILL OF MATERIAL, A & B ITEM NO. PART NO. QTY. DESCRIPTION 42907 PISTON COVER 42908 SPRING 43185 COVER 42909 PISTON HOUSING 42910 PISTON 42911 SHIFT PLATE 43125 SUNGEAR 42912 SUNGEAR 42913 SECONDARY SUNGEAR 42914 OUTPUT SUNGEAR 42915 PRIMARY GEAR HOUSING 42916 GEAR HOUSING...
  • Page 16 42941 CAPSCREW 42148 STATOR PLATE 32765 FRICTION DISC 42942 BRAKE PISTON 42335 O-RING 42336 BACKUP RING 32186 O-RING 42337 BACKUP RING 42230 BRAKE SPRING 28060 CAPSCREW 33094 O-RING 34003 O-RING 43153 HYDRAULIC MOTOR, 2SPD. 42953 HYDRAULIC MOTOR, 1SPD. 42944 INPUT DRIVER 29043 RETAINING RING 26980...
  • Page 17 20514 COTTER PIN 108B 43085 SPACER 42495 HOSE 43372 CAPSCREW 42030 HOSE ASS’Y 41719 PLUG 41867 VALVE, C.B. 115A 32411 PLUG 115B 42225 PLUG 42223 CHECK VALVE 42263 CAPSCREW 43367 SWITCH, SOLONOID 43368 BLOCK, MANIFOLD 42033 TEE, SWIVEL 40280 ADAPTER, STRAIGHT 43459 HOSE ASS’Y 42866...

  • Page 18: Rufnek 60 Sub-Assembly Bill Of Material

    RUFNEK 60 SUB-ASSEMBLY BILL OF MATERIAL (81574 item 24) A and B SA-4236 ITEM DESCRIPTION QTY. PART NO. OUTPUT CARRIER 43012 OUTPUT PLANET GEAR 43015 PLANET PIN 41747 RETAINING RING 41716 PLATE 43701 BEARING 41717 SPACER 41739 RACE 939249 SNAP RING...

  • Page 19: Rufnek 100 Sub-Assembly Bill Of Material

    RUFNEK 100 SUB-ASSEMBLY BILL OF MATERIAL (81575 item 22) A SA-4250 ITEM DESCRIPTION QTY. PART INPUT CARRIER 43183 INPUT PLANET GEAR 42877 NEEDLE BEARING 30484 RETAINING RING 41715 PLANET PIN 41760 THRUST WASHER 40264 PLATE 42954 (81575 item 22) B SA-4228 ITEM DESCRIPTION...

  • Page 20: Viscosity Chart

    VISCOSITY CHART...

  • Page 21: Torque Specifications Chart

    TORQUE SPECIFICATIONS CHART (HEX HEAD CAP SCREWS) Grade 5 Grade 8 Nominal Dia. Threads Per Ft. Lbs. Ft. Lbs. Inch 36 - 42 42 - 48 41 - 47 48 - 54 7/16 54 - 62 63 - 71 65 - 73 76 - 84 80 - 90 100 - 110...
  • Page 22 PO Box 1130 Jenks OK 74037-1130 USA Phone: 918-298-8300 www.dovertwg.com...

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Rufnek 100

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