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BRADEN CH330, Installation Maintenance And Service Manual, Page: 3 / 36

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TABLE OF CONTENTS

Foreword .....................................................................................................................4

Model and Serial Number Location .............................................................................4

Explanation of Model Number .....................................................................................4

General Safety Recommendations..............................................................................5

Theory of Operation.....................................................................................................6

Winch and Wire Rope Installation ...............................................................................8

3-piece Cable Anchor Installation (Model CH400).......................................................9

Hydraulic Circuits.......................................................................................................10

Preventive Maintenance ............................................................................................ 11

Weights, Oil Capacities, and Special Tools ...............................................................13

Troubleshooting .........................................................................................................14

Service Precautions...................................................................................................17

Winch Disassembly ...................................................................................................17

Drum Support End Bracket Service...........................................................................18

Exploded-view Drawing .............................................................................................19

Parts List....................................................................................................................20

Winch Drive/Gearbox Service ...................................................................................21

Subassembly Service ................................................................................................22

Brake Assembly Service ............................................................................................23

Planet Carrier Service ...............................................................................................26

Winch Assembly ........................................................................................................28  

Brake Valve Service ..................................................................................................32

Recommended Fastener Torque ...............................................................................35

Metric Conversion Chart ............................................................................................36

Summary of Contents for CH330

Page 1: ...manufactured For serial number location see page 4 Visit our Web site at www paccarwinch com for the most comprehensive collection of winch hoist and drive information on the Internet Most publication...

Page 2: ...2...

Page 3: ...Hydraulic Circuits 10 Preventive Maintenance 11 Weights Oil Capacities and Special Tools 13 Troubleshooting 14 Service Precautions 17 Winch Disassembly 17 Drum Support End Bracket Service 18 Exploded...

Page 4: ...been removed for illustrative purposes Drawings in this manual represent a typical unit sold through our distribution channels Some hoists particularly those sold directly to original equipment manufa...

Page 5: ...ments listed in the Preventive Maintenance section of this manual 9 An equipment warm up procedure is recommended for all start ups and is essential at ambient tempera tures below 40 F 4 C Refer to Wa...

Page 6: ...nt and modulates the spool valve opening which controls the lowering speed See Figures 1 2 and 3 The static brake system has three operating components 1 Spring applied hydraulically released multiple...

Page 7: ...d is absorbed by the hydraulic oil where it can be readily dissipated When the control valve is shifted to neutral pilot pressure drops closing the brake valve spool stopping the motor and the load Th...

Page 8: ...give good results un der normal temperature conditions The use of an oil hav ing a high viscosity index will minimize cold start trouble and reduce the length of warm up periods A high vis cosity inde...

Page 9: ...ll seat against the flat end Install the washer and locknut onto the threaded rod and tighten securely to 45 ft lbs This is the torque value of the 1 2 13 stainless steel rod Apply a light load of 1 0...

Page 10: ...need for emergency servicing and promote safe 2 Oil Change 3 The gear oil should be changed after the first one hundred 100 hours of operation then every 1 000 operating hours or six 6 months whicheve...

Page 11: ...hever occurs first The gear oil must be changed to remove wear particles that impede the reliable and safe operation of the brake clutch and erode bearings gears and seals Failure to change gear oil a...

Page 12: ...life For simplicity we have listed one readily available product in each temperature range which has been tested and found to meet our specifications This is not to say that other lubricant brands wou...

Page 13: ...ive 12 point 5 8 inch Proto P N J07510T Snap On P N IMD202A 3 4 inch Proto P N J07512T Snap On P N IMD242A APPROXIMATE APPROXIMATE DRUM WEIGHT LBS KG OIL CAPACITY QTS L 01 2700 1225 40 38 02 3370 1530...

Page 14: ...placement of the seals Refer to Motor Support Brake Cylinder Service Disassemble brake to inspect brake discs B Oil leaks from vent plug 1 Same as A1 2 Motor seal may be defective as a result of high...

Page 15: ...adjustment or re pair 3 Be certain hydraulic system tempera ture is not more than 180 F 82 C Excessive hydraulic oil temperatures increase motor internal leakage and re duce motor performance 4 Winch...

Page 16: ...aining as required G The wire rope does not spool smoothly on the drum 1 The winch may be mounted too close to the main sheave causing the fleet angle to be more than 1 1 2 degrees 2 The winch may not...

Page 17: ...gears and bearings Item numbers shown in service procedures are referenced to the exploded view drawing in this manual WINCH DISASSEMBLY 1 Stand the winch of the end opposite the motor Re move the hy...

Page 18: ...eyebolts spaced 180 degrees apart as lifting lugs Refer to Winch Drive Gearbox Service section for further disassembly of winch drive DRUM SUPPORT END BRACKET SERVICE If the winch disassembly procedur...

Page 19: ...6 9 6 4 7 3 7 4 7 5 7 6 7 9 7 7 6 1 6 3 6 2 6 1 5 6 6 7 6 5 6 6 7 2 5 8 5 7 6 4 6 0 5 9 5 6 5 5 4 0 4 1 4 2 4 4 4 3 8 1 8 2 4 5 4 5 8 0 5 1 5 2 5 3 4 7 4 6 5 0 4 9 4 8 7 8 7 5 7 4 8 3 8 4 8 5 3 2 5 4...

Page 20: ...al Carrier 49 Bearing Cone 79 Rollpin 122 Lockwasher 14 O Ring 50 Bearing Cup 80 Plug 123 Capscrew 15 Lockwasher 51 Bearing Cup 81 Internal Retaining Ring 124 Brake Valve 16 Capscrew 52 Bearing Cone 8...

Page 21: ...ng carrier end cap Install a new retaining ring into the groove in the end cap Liberally pack the bearing and end cap with grease The end bracket can now be placed on the drum or the drum placed on th...

Page 22: ...Install three 7 8 9x6 inch long capscrews equally spaced around the motor support Item 85 until they contact the ring gear Item 45 Alternately tighten each capscrew 1 2 to 1 turn at a time to lift the...

Page 23: ...he brake piston Place each friction disc on a flat surface and check for distortion with a straight edge Friction material should appear even across the entire surface and the groove pattern should be...

Page 24: ...n disc It is advisable to lightly lubricate the brake discs with oil that will be used in the winch prior to assembly 3 Install the spacer plate Item 82 on top of the last fric tion disc 4 Install the...

Page 25: ...ged and must be replaced 1 Remove the retaining ring Item 104 All other internal parts can now be removed including the sprag assem bly Item 99 and the roller bearing Item 97 2 Thoroughly clean all pa...

Page 26: ...and inspect for damage and wear The bearings should be examined for any signs of spalling corrosion discoloration material displacement or abnormal wear The bearing cages should be inspected for wear...

Page 27: ...d wear The bearing rollers should be examined for any signs of spalling corrosion discoloration material dis placement or abnormal wear If any of these conditions are found the rollers should be repla...

Page 28: ...or end down Apply a light coat of oil to the mating surfaces of the metal seal and set the ring gear down onto the motor support Mat ing surfaces of the seal should be in contact with each other and t...

Page 29: ...m before proceeding 7 Install thrust washer Item 57 onto the primary planet assembly with second stage sun gear A light coat of oil soluble grease should be used to hold it in place during assembly In...

Page 30: ...ligning the holes in the drum with those in the bottom flange of the drive 13 There are two large notches in the end of the drive gearbox These must be rotated to install the cap screws and lockwasher...

Page 31: ...dapter into the winch drive using four capscrews and lockwashers Items 33 and 4 18 Install the motor coupling into the inner race of the sprag clutch 19 Install a new O ring Item 121 onto the pilot of...

Page 32: ...e additional thickness of the spring seat and a groove ma chined into the hex end cap serves as a visual indicator that the valve contains the new spring seat The spring seat improvement may be added...

Page 33: ...h Valve 1 1 2 inch Valve 2 Remove the fitting motor drain check ball and spring 1 1 4 inch Valve 1 1 2 inch Valve 3 Remove the spool spring retainer and spool spring Remove the spool plug and carefull...

Page 34: ...ch backup ring is on the correct side of its O ring Take care not to cut the O rings during assembly Let the spool and piston set for ten minutes before installing them in their respective bores This...

Page 35: ...s as the applied torque may vary by 10 40 depending upon product used To convert lb ft to kg m multiply lb ft value by 0 1383 Dry Lubed Dry Lubed Dry Lubed Dry Lubed Torque LB FT Grade 5 Grade 8 1 4 2...

Page 36: ...g 60o F pounds sq in PSI X 6 895 kilopascals kPa kilopascals kPa X 0 145 pounds sq in PSI pounds sq in PSI X 0 0703 kilograms sq cm kg cm2 kilograms sq cm kg cm2 X 14 22 pounds sq in PSI pounds sq in...

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