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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. 

PROBLEM:

 

 

Winch will not raise the load it should. 

     SOLUTION: 

a.  Relief valve setting may be too low to allow proper lifting.  Increase relief valve pressure 

setting. 

(Note: do not exceed recommended system pressures).

 

b.  Load being lifted may be more than the winch’s rating.  Reduce the load or re-rig to 

increase mechanical advantage. 

3. 

PROBLEM:

 

 

Oil leaks from the vent on the motor side of the winch. 

     SOLUTION: 

a.  The motor shaft seal may have failed.  Replace this seal and reduce backpressure if that 

caused the shaft seal to fail. 

b.  Brake piston seals may have failed.  Service the brake section and replace worn parts.

Summary of Contents for Rufnek 100

Page 1: ...BLY 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 TROUB...

Page 2: ...IC 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...

Page 3: ...t including the winch and cable is maintained properly 5 Avoid shock loads This type of load imposes a strain on the winch many times the actual weight of the load and can cause failure of the cable o...

Page 4: ...cated on drum barrel and clutch 4 Complete teardowns and component inspections Again severity and frequency of use will determine how often this should be done If the equipment that this winch is moun...

Page 5: ...the two holes in the top of the piston and run in evenly until the piston is clear of the housing An alternate way of removing the piston is to use a portable hydraulic power unit or air to gently pr...

Page 6: ...capscrews 45 If you replace the clutch make sure to torque the capscrews to the specified torque upon re assembly D GEAR SECTION DISASSEMBLY 1 Drain the oil at the bottom of the gear housing by remov...

Page 7: ...7...

Page 8: ...piston assembly and the piston 4B is not in use You may want to leave the piston and spacer 108B in the housing and bypass inspection 3 Remove the thrust washer 75B and sun gear 6B BLOCKED PISTON COVE...

Page 9: ...you slip the outer input sun gear on the shaft it is locked into the cover assembly When installing the blocked piston cover assembly rotate it back and forth until the sun gear lines up with the plan...

Page 10: ...until it is seated making sure not to damage the o rings or back up rings 5 Install the springs into the spring pockets If working in a horizontal position coat the 6 bottom of each spring with chass...

Page 11: ...OLUTION a Relief valve setting may be too low to allow proper lifting Increase relief valve pressure setting Note do not exceed recommended system pressures b Load being lifted may be more than the wi...

Page 12: ...E COVER 19 43032 2 BUSHING 20 42976 1 OUTPUT SHAFT 21A 43161 1 INPUT SHAFT 21B 42977 1 INPUT SHAFT 22A 4249 1 INPUT GEAR SET 22B 4237 1 INPUT GEAR SET 23 4235 1 SECONDARY GEAR SET 24 4236 1 OUTPUT GEA...

Page 13: ...42929 1 BRAKE AIR CYLINDER 77 4238 1 BRAKE BAND ASSY 79 42029 1 BLOCK C B 80B 42030 1 HOSE ASSY 81B 42259 1 LONG MALE ELBOW 82 42438 2 FITTING TEE 83 41838 2 STRAIGHT ADAPTER 84 42089 3 ELBOW 85 2052...

Page 14: ...122 40280 1 STRAIGHT ADAPTER 123 43459 1 HOSE 124 42866 1 ZERK GREASE 125 43578 1 AIR CYL W SWITCH 127 43289 1 SPACER INPUT 128 43257 1 RING THRUST 129 31550 1 SCREW FLAT 130 20515 2 SET SCREW 131 436...

Page 15: ...19 42868 2 BUSHING 20 42869 1 OUTPUT SHAFT 21A 43123 1 INPUT SHAFT 21B 42870 1 INPUT SHAFT 22A 4250 1 INPUT GEAR SET 22B 4228 1 INPUT GEAR SET 23 4229 1 SECONDARY GEAR SET 24 4230 1 OUTPUT GEAR SET 25...

Page 16: ...945 1 R H FRAME 75B 42949 1 THRUST WASHER 76 42929 1 BRAKE AIR CYLINDER 77 4231 1 BRAKE BAND ASSY 79 42029 1 C B BLOCK 80B 42495 1 HOSE ASSY 81 42259 1 LONG MALE ELBOW 82 42438 2 FITTING TEE 83 41838...

Page 17: ...K MANIFOLD 121 42033 1 TEE SWIVEL 122 40280 1 ADAPTER STRAIGHT 123 43459 1 HOSE ASS Y 124 42866 1 GREASE ZERK 125 43578 1 AIR CYL W SWITCH 127 43288 1 SPACER 128 43505 1 RING THRUST 129 31550 6 CAPSCR...

Page 18: ...49 9 SNAP RING 1 27011 81574 item 23 A and B SA 4235 ITEM DESCRIPTION QTY PART NO 1 SECONDARY CARRIER 1 43013 2 SECONDARY PLANET GEAR 3 43014 3 BEARING 6 30484 4 RETAINING RING 3 41715 5 PLANET PIN 3...

Page 19: ...7 3 NEEDLE BEARING 3 30484 4 RETAINING RING 3 41715 5 PLANET PIN 3 42950 6 THRUST WASHER 6 40264 7 PLATE 1 42954 81575 item 23 A and B SA 4229 ITEM DESCRIPTION QTY PART 1 SECONDARY CARRIER 1 42926 2 S...

Page 20: ...19 VISCOSITY CHART...

Page 21: ...48 54 7 16 14 20 54 62 65 73 63 71 76 84 1 2 13 20 80 90 100 110 100 110 120 130 9 16 12 18 105 115 125 135 125 135 150 160 5 8 11 18 170 180 195 205 200 210 230 240 3 4 10 16 285 295 340 350 330 340...

Page 22: ...21 TWG PO Box 1130 Jenks OK 74037 1130 USA Phone 918 298 8300 www dovertwg com...

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