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Please read and understand this entire manual
BEFORE operating or servicing your CARCO winch.
Retain this manual for future reference.

This manual contains instructions for the operation of
CARCO Models 50B & 70A power shift winches. When
instructions apply to only one series of winch, the spe-
cific model number (i.e. 50B or 70A only) will appear at
the beginning of the pertinent text. If not identified in this
manner, the text applies to BOTH series of winches;
50B & 70A.

Some illustrations in this manual may show details or
attachments which may be different from your winch.

Also, some components may have been removed for
illustrative purposes.

Continuing product improvement may cause changes in
your winch which may not be included in this manual.
Whenever a question arises regarding your CARCO
winch or this manual, please contact your nearest
CARCO dealer or the CARCO SERVICE DEPART-
MENT at 1-918-251-8511, Monday - Friday, 0800 hrs -
1630 hrs CST or by FAX at 1-918-259-1575. Provide
the complete winch MODEL NUMBER and SERIAL
NUMBER when making inquiries.

FOREWORD

TABLE OF CONTENTS

General Safety Recommendations  . . . . . . . . . . . . . . . . . . . . . . . . . .2

Model Description  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3

Winch Operation  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4

Control Operation  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5

Freespool Adjustment  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7

Preventive Maintenance & Specifications  . . . . . . . . . . . . . . . . . . . . .8

Recommended Oil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10

Metric Conversion Chart  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12

WARNING

- This emblem is used to warn against

hazards and unsafe practice which COULD result in
severe personal injury or death if proper procedures
are not followed.

CAUTION

- This emblem is used to warn against

potential or unsafe practices which COULD result in
personal injury, and product or property damage if
proper procedures are not followed.

CAUTION

Safety and informational callouts used in this manual include:

1

CAUTION

WARNING

!

!

Summary of Contents for CARCO 50B

Page 1: ...S 50B 70A WITH ELECTRONIC CONTROLS LIT2089 REV 2 10 2008 Printed in U S A Copyright 2008 PACCAR Winch Division All rights reserved PACRWINCH DIVISION P O BOX 547 BROKEN ARROW OK U S A 74013 PHONE 918...

Page 2: ......

Page 3: ...uestion arises regarding your CARCO winch or this manual please contact your nearest CARCO dealer or the CARCO SERVICE DEPART MENT at 1 918 251 8511 Monday Friday 0800 hrs 1630 hrs CST or by FAX at 1...

Page 4: ...e drum is designed to provide a self release in the event a back sliding load must be released from the tractor in an emergency situation The cable anchor or ferrule alone will NOT support rated linep...

Page 5: ...tios The standard speed winch is primarily used in logging land clearing and general utility applications The standard speed models have gear ratios which closely match the cable drum rotation speed i...

Page 6: ...que converter it is possible to cause the torque converter to stall if the tractor engine speed is too low It is important that engine idle be set to factory specifications GEAR TRAIN The winch bevel...

Page 7: ...pressure will be avail able to fully apply the clutches at engine PTO speeds above low idle If the winch is installed on a direct drive tractor the tractor master clutch MUST be engaged BEFORE moving...

Page 8: ...ractor may drive away from the load Always return the lever to the Brake On position when the operation is complete Freespool Depress the button and move the lever fully away from the operator When Fr...

Page 9: ...er bearing cup out against the threaded adjuster before a reduction in bearing drag can be noticed Freespool is ONLY to be used when the tractor is stopped for pulling wire rope off the cable drum by...

Page 10: ...up To drain the oil place the tractor and winch in a level position and remove the drain plug located on the lower RH side of the winch case Drain the oil into a suitable container and recycle or disp...

Page 11: ...unit stuck in the bypass position or an accidentally ground ed sending unit wire 3 VENT PLUG The vent is located on the RH side of the winch next to the electrical connector It is very important to k...

Page 12: ...icant is best suited to your applica tion Your lubricant supplier should assure you that his product meets this specification If there is still any doubt as to the suitability of a lubricant contact t...

Page 13: ...m Dimensions Cable Storage Capacity Barrel Diameter 10 in 254 mm 3 4 in 19 mm 319 ft 97 m Flange Diameter 19 7 8 in 504 mm 7 8 in 22 mm 226 ft 69 m Barrel Length 12 3 8 in 314 mm 1 in 25 mm 154 ft 47m...

Page 14: ...o 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 PSI...

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