Paccar Braden TR20A Installation And Service Manual Download

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TR20A

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First 2 numbers indicate

year manufactured

WRITE WINCH SERIAL NUMBER BELOW

For serial number location see page 3

LIT2736

February 2019

Printed in USA

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information on the Internet. Most publications and specification sheets are available for downloading.

TR20A

Recovery Winch

INSTALLATION AND SERVICE MANUAL

Summary of Contents for Braden TR20A

Page 1: ...ACCAR Inc All rights reserved LIT2736 February 2019 Printed in USA Visit our Website at www paccarwinch com for the most comprehensive collection of winch hoist and drive information on the Internet M...

Page 2: ...ll waste The U S Environmental Protection Agency has developed required practices called management standards for busi nesses that handle used oil and metal wastes Specific guidelines are available at...

Page 3: ...r 3 Find item number on parts list Show part number description and quantity required on your order 4 Refer to Parts List and show price for each component or assembly T Towing trailer application R R...

Page 4: ...ertain combinations of drum gear ratio motor and hydraulic flow may reduce or increase this rating D d Ratio The ratio of cable drum barrel diameter D to wire synthetic rope diameter d Current SAE sta...

Page 5: ...times 16 Use correct cable anchor for wire synthetic rope and pocket in drum 17 Do not use knots to secure or attach wire synthetic rope 18 The BRADEN designed wire synthetic rope anchors are not int...

Page 6: ...ial or unsafe practices which COULD result in personal injury and product or property damage if proper procedures are not followed WARNING This emblem is used to warn against hazards and unsafe practi...

Page 7: ...he static brake consists of three basic components 1 Spring applied multiple friction disk brake pack 2 Solid brake coupling 3 Hydraulic brake cylinder and spring plate The brake pack consists of alte...

Page 8: ...release at a pressure lower than required to open the counterbalance cartridge The extent to which the cartridge opens will determine the amount of oil that can flow through it and the speed at which...

Page 9: ...to move the clutch shift handle with a load on the cable Do not use cheaters to extend the shift handle length or other means to apply undue force on the shift handle A partially engaged drum clutch...

Page 10: ...perature conditions The use of oil having a high viscosity index will minimize cold start trouble and reduce the length of warm up periods A high viscosity index will minimize changes in viscosity wit...

Page 11: ...00 operating hours or three months whichever occurs first Use sight glass to check oil level The level should be within the upper and lower limits of the glass If additional oil is needed refer to the...

Page 12: ...icularly un der low ambient temperature conditions may result in temporary brake slippage due to high back pressures attempting to release the brake which could result in property damage severe person...

Page 13: ...ompounds EP 150 PREVAILING AMBIENT TEMPERATURE oF 40 30 20 10 0 10 20 30 40 50 60 70 80 90 100 110 120 130 oF oC 40 30 20 10 0 10 20 30 40 50 oC SHADED TEMPERATURE RANGE IN THE CHART ABOVE NOT RECOMME...

Page 14: ...a plugged or loose pilot orifice The pilot orifice is a small pipe plug with a hole drilled through it located behind the pilot port fitting on the brake valve If it becomes plugged it will prevent t...

Page 15: ...of Trouble A3 Improper planetary gear oil may cause the brake discs to slip Drain old gear oil and flush winch with solvent Thorough ly drain solvent and refill winch with rec ommended planetary gear...

Page 16: ...uces motor performance 4 Winch line pull rating is based on first layer of wire synthetic rope 5 Rigging and sheaves not operating efficiently TROUBLE PROBABLE CAUSE REMEDY E Winch runs hot Same as re...

Page 17: ...ing rope of the proper wind or lay When the load is slacked off the several wraps on the drum will stay closer together and maintain an even layer If rope of im proper lay is used the coils will sprea...

Page 18: ...18 TR20A CROSS SECTION Part number 09512 ADDITIONAL REFERENCE PUBLICATION For cross section diagrams and complete list of components please refer to LIT2732 Parts List for TR20A recovery winches...

Page 19: ...t 111420 1 015 Cover housing 111414 1 016 Washer 100858 16 017 Capscrew 11766 16 018 Plug 25665 2 TR20A COMPONENTS Part number 09512 ITEM NO DESCRIPTION PART NO QTY 019 16574 0012 Sight gauge 70193 1...

Page 20: ...ort by remov ing two bolts and two washers Remove brake coupling 4 Remove the free spool clutch assembly 5 Remove the gear housing cover by removing eight screws and eight washers Remove O ring 6 Remo...

Page 21: ...ve tie plates by removing eight screws and eight washers 8 Separate drum supports from drum 9 Separate gear housing from drum support by removing eight screws and eight washers 10 Remove seal and bear...

Page 22: ...t 3 Check spring free length with a caliper Minimum length is 0 938 inch 23 8 mm Inspect springs for bending or other damage If any spring is suspect replace all springs as a set Mixing old and new sp...

Page 23: ...d screws finger tight Next equally tighten the screws in a crisscross pattern com pressing the brake springs evenly Final tighten screws per torque chart Testing Brake Seals 1 Connect a hand pump with...

Page 24: ...th should be free of abnormal wear and pitting Al ways replace roll pins and shaft bushings with new WINCH ASSEMBLY Reassemble the winch in reverse order of the steps described in Winch Disassembly se...

Page 25: ...d high nuts Higher or lower torques for special applications will be specified such as the use of spanner nuts nuts on shaft ends jam nuts and where distortion of parts or gaskets is critical Lubricat...

Page 26: ...26 THIS PAGE INTENTIONALLY LEFT BLANK...

Page 27: ...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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