background image

 

15

TORQUE SPECIFICATIONS CHART 

 
 

Dry Plated 

Lubricated 

Dry Plated 

Lubricated 

 

SAE  

Grade 5 

SAE 

Grade 5 

SAE  

Grade 5 

SAE  

Grade 8 

SAE  

Grade 8 

SAE 

Grade 8 

Nominal Size Torque 

*(Ft-Lbs) 

Torque 

*(Ft-Lbs) 

Torque  

*(Ft-Lbs) 

Torque  

*(Ft-Lbs) 

Torque 

*(Ft-Lbs) 

Torque  

*(Ft-Lbs) 

1/4 20  8 

12 

1/4 28  10 

14 

10 

5/16 18  17 

13 

10 

25 

18 

15 

5/16 24  19 

14 

11 

27 

20 

16 

3/8 16  31 

23 

19 

44 

33 

26 

3/8 24  35 

26 

21 

49 

37 

30 

7/16 14  49 

37 

30 

70 

53 

42 

7/16 20  55 

41 

33 

78 

58 

47 

1/2 13  76 

57 

45 

106  80 

64 

1/2 20  85 

64 

51 

120  90 

72 

9/16 12  109 

82 

65 

153  115 

92 

9/16 18  122 

91 

73 

172  129  103 

5/8 11 150  113 

90 

212  159  127 

5/8 18 170  128  102  240  180  144 
3/4 10 266  200  160  376  282  226 
3/4 16 297  223  178  420  315  252 
7/8 9 430  322  258  606  454  364 
7/8 14 474  355  284  668  501  401 

1 8 

644 483  386 909 682 545 

14 721  541 

433  1019  764  611 

1-1/8 7  794  596 

475  1288  966  772 

1-1/8 12  890 

668 

534  1444  1083  866 

1-1/4 7 1120  840 

672  1817  1363  1090 

1-1/4 12 1241  930

745

2012

1509  1207

T = BOLT TORQUE (LB. FT.)                                       

 T = (KWD) / 12

 

K = TORQUE COEFFICIENT   (K

 = 0.20 DRY       K = 0.15 PLATED       K = 0.12 LUBRICATED)

 

W = PRELOAD TENSION 

D = NOMINAL BOLT SIZE (IN.)                         

* ALL TORQUE VALUE TOLERANCES ARE ± 5%

 

Summary of Contents for TWG TULSA WINCH 1200W

Page 1: ...AND THEORY OF OPERATION 3 HYDRAULIC SCHEMATIC 4 MAINTENANCE AND SERVICE 5 WIRE ROPE 7 DISASSEMBLY 8 ASSEMBLY 9 SERVICING THE MOTOR 10 SERVICING THE BRAKE 11 SERVICING THE PLANETARY SETS 13 TROUBLESHO...

Page 2: ...on hoists are not designed to hold the rated load of the hoist You must keep at least five 5 wraps of cable on the drum to ensure that the cable doesn t come loose Stay clear of suspended loads and o...

Page 3: ...e brake When the load comes to a stop the cam clutch locks up and the brake prevents the load from moving During payout a brake valve is used to prevent the load from moving faster than desired This b...

Page 4: ...4 HYDRAULIC SCHEMATIC...

Page 5: ...month API RP 2D recommends a pre use inspection and an annual 12 month inspection based on average use over a quarter For hoists in moderate use more than 10 but less than 50 hours per month API RP 2D...

Page 6: ...ll resulting in property damage personal injury or death The hydraulic system should use only high quality hydraulic fluid from reputable suppliers These oils should contain additives to prevent foami...

Page 7: ...the side plate See Fig 3 Fill the gearbox with 1 00 quart of EP 90 oil Remove the pipe and elbow then replace the plug Item 33 See the Oil Chart on page 6 of this manual for the recommended oil type a...

Page 8: ...place the bearing and seal Item 7 4 7 Remove the thrust washer Item 6 and input sun gear Item 8 from the input planet gearset Item 36 Inspect for damage and replace if needed 8 Remove the input planet...

Page 9: ...place Install the thrust washer into the output gearset Item 4 and then insert the output sun gear Item 16 The slot in the sun gear must be installed facing the output shaft 10 Install the input plan...

Page 10: ...hole located on the side of the valve to make sure it is not obstructed Also inspect the o rings Item 7 10 for damage and replace if necessary 4 Remove the fitting Item 60 and inspect the check valve...

Page 11: ...brake housing Item 21 is removed from the hoist examine the journal on the brake housing where the seal Item 7 4 runs for wear If severely worn replace the brake housing 9 Carefully disassemble the b...

Page 12: ...in a horizontal position coat the bottom of each spring with chassis lube to keep it in position 17 Coat the new o ring Item 7 3 with light oil and install it into the groove on the brake cover Item 2...

Page 13: ...d replace if necessary 5 On output planet gearsets note that two bearings with a spacer between them are used 6 Before reassembly be sure to insert the thrust plate into the carrier 7 To reassemble be...

Page 14: ...proper lifting Increase the relief pressure setting 2 The load being lifted may be more than the winches rating Verify weight and reduce the load or re rig it to increase mechanical advantage Hoist u...

Page 15: ...7 45 106 80 64 1 2 20 85 64 51 120 90 72 9 16 12 109 82 65 153 115 92 9 16 18 122 91 73 172 129 103 5 8 11 150 113 90 212 159 127 5 8 18 170 128 102 240 180 144 3 4 10 266 200 160 376 282 226 3 4 16 2...

Page 16: ...31 DRUM 16 38 FLANGE 9 75 BARREL 5b 1 42128 DRUM 15 00 FLANGE 9 75 BARREL 5c 1 42510 DRUM 13 75 FLANGE 9 75 BARREL 5d 1 42413 DRUM 16 38 FLANGE 10 63 BARREL 5e 1 43171 DRUM 14 00 FLANGE 10 63 BARREL 6...

Page 17: ...E 36b 6 3 30484 BEARING 36b 7 6 28771 WASHER 36c 1 4139 INPUT GEARSET FOR 1241W 36c 1 1 41766 CARRIER 36c 2 3 41763 PLANET GEAR 36c 3 3 41760 PLANET PIN 36c 4 3 41715 RETAINING RING 36c 5 1 41769 THRU...

Page 18: ...1 12208 BUSHING 58a 1 42022 SINGLE SPEED GEAR MOTOR 58b 1 42023 SINGLE SPEED GEAR MOTOR 58c 1 42521 SINGLE SPEED GEAR MOTOR 58d 1 43126 SINGLE SPEED GEAR MOTOR 58e 1 42021 SINGLE SPEED GEAR MOTOR CONT...

Page 19: ...19 EXPLODED ISOMETRIC ASSEMBLY DRAWING TWG PO Box 1130 Jenks OK 74037 1130 USA Phone 918 298 8300 www dovertwg com...

Reviews: