Table of Contents
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TABLE OF CONTENTS
SAFETY NOTES ...........................................................................................................................2
INTRODUCTION 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 SET.............................................................................................13
TROUBLESHOOTING ................................................................................................................14
TORQUE SPECIFICATIONS CHART ...........................................................................................15
BILL OF MATERIAL ...................................................................................................................16
EXPLODED ISOMETRIC ASSEMBLY DRAWING.........................................................................18
SEL-0088-001
http://www.tulsawinch.com
REV 1 July 2020
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Summary of Contents for Dover TWG TULSA WINCH 707W
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Page 1: Table Of Contents
TABLE OF CONTENTS SAFETY NOTES ...........................2 INTRODUCTION 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 SET.....................13 TROUBLESHOOTING ........................14 TORQUE SPECIFICATIONS CHART ...................15 BILL OF MATERIAL ........................16 EXPLODED ISOMETRIC ASSEMBLY DRAWING.................18 SEL-0088-001... -
Page 2: Safety Notes
safety notes FAILURE TO HEED THE FOLLOWING WARNINGS MAY RESULT IN SERIOUS INJURY OR DEATH! Operators must be trained in the proper, safe operation of the hoist. • Hoists are not to be used to lift, raise, or move people. If your task involves lifting or moving •... -
Page 3: Introduction And Theory Of Operation
INTRODUCTION AND THEORY OF OPERATION The planetary hoist is designed to utilize a geroler, gear, or piston motor, driving through a multiple-disc oil brake, through a planetary gearset to the cable drum. The multiple-disc oil brake is spring applied and hydraulically released through a port in the brake housing. -
Page 4: Hydraulic Schematic
HYDRAULIC SCHEMATIC... -
Page 5: Maintenance And Service
MAINTENANCE AND SERVICE For safe and consistent operation of TULSA WINCH hoists, swing drives, and winches, a regular program of preventive maintenance is strongly recommended. Regular oil changes with the correct oil for the ambient temperature conditions and an annual inspection of the wear components will help ensure a long life for your planetary geared products. - Page 6 RECOMMENDED OIL SAE 90W AGMA 4 EP MOBIL SHC 75W90 SAE 20W20 MOBIL 1 SYNTHETIC ATF MOBIL SHC 524 All oils must meet MIL-PRF2105E. Substitution from a reputable manufacturer is allowed as long as type and grade are maintained. OIL CAPACITY GEARBOX 1.00 QUART BRAKE...
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Page 7: Wire Rope
OIL CHANGE (Item 33) Gearbox oil is drained by rotating the drum so that the drain plug is visible through the (Item 50) (See Fig 1) lower hole in the side plate . Screw in a piece of 1" pipe to allow the oil to (See Fig. -
Page 8: Disassembly
DISASSEMBLY 1. Drain the oil from the gearbox and brake sections using the instructions on page 7. 2. Stand the hoist on its end with the motor pointing up. (Item 46) (Item 21) 3. Disconnect the hose connected to the brake housing . -
Page 9: Assembly
ASSEMBLY 1. Thoroughly clean all parts. Replace those that show wear or damage. (Item 5) 2. Inspect the drum for structural integrity and the gear teeth for excessive wear, then replace if necessary. (Item 32) (Item 50) (Item 62) 3. Attach the output shaft to the side plate with six capscrews (Item 30) -
Page 10: Servicing The Motor
SERVICING THE MOTOR (Item 46) (Item 42) 1. Remove the hose and counterbalance block from the motor assembly. (Item 42) 2. Remove the counterbalance valve from the block and inspect the small metering hole located on the side of the valve to make sure it is not obstructed. Also, inspect the o-rings for damage and replace if necessary. -
Page 11: Servicing The Brake
SERVICING THE BRAKE (Item 11) (Item 20) 1. Evenly remove four capscrews holding the brake cover in place. Spring pressure will raise the cover as the capscrews are loosened. Remove the cover from the brake housing. (Item 24) (Item 10) 2. - Page 12 (Item 7-2) 15. Coat the new o-ring with light oil and install it into the groove on the brake cover (Item 20) (Item 20) (Item 21) 16. Install the cover onto the brake housing and draw it down evenly, (Item 9) alternating between opposite capscrews .
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Page 13: Servicing The Planetary Set
SERVICING THE PLANETARY SET 1. Remove the retaining rings from the planet pins. 2. Remove the pins from the carrier by carefully tapping them out. 3. Remove the planet gears, washers and bearings from the carrier. 4. Inspect the pins, bearings, and gear bores for evidence of wear and replace if necessary. 5. -
Page 14: Troubleshooting
TROUBLESHOOTING Hoist won’t hold load Possible Solutions: 1. There is excessive back pressure in the hydraulic system. Check the system for line restrictions and reduce the back pressure. 2. The brake discs are worn. Replace the brake discs. Friction discs should measure no less than 0.055 inches thick and the stator plates should measure at least 0.064 inches thick. -
Page 15: 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 16: Bill Of Material
BILL OF MATERIAL DESCRIPTION NOTES 42432 SIDE PLATE BRAKE SIDE (SEE PICTORAL FOR DESCRIPTION) 42440 SIDE PLATE 44581 CAPSCREW 29973 RETAINING RING 4412 PLANET GEARSET 42176 CARRIER 30484 BEARING 42185 PLANET GEAR 28771 WASHER 41715 RETAINING RING 42184 PLANET PIN 44067 THRUST PLATE 42179... - Page 17 DESCRIPTION NOTES 41838 STRAIGHT ADAPTER QUANTITY VARIES PER ASSEMBLY 42031 HOSE ASSEMBLY 18.00” LENGTH 42496 HOSE ASSEMBLY 19.50” LENGTH 42494 HOSE ASSEMBLY 10.50” LENGTH 42551 TUBING FOR CHARLYNN 4K SERIES MOTORS 41873 SWIVEL ADAPTER 42433 SIDE PLATE OUTPUT SIDE 42441 SIDE PLATE (SEE PICTORAL FOR DESCRIPTION) 42477...
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Page 18: Exploded Isometric Assembly Drawing
EXPLODED ISOMETRIC ASSEMBLY DRAWING PO Box 1130 Jenks OK 74037-1130 USA Phone: 918-298-8300 www.dovertwg.com...
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