Allied Systems H5C Series Manuel utilisateur

P/N 599028W Printed in U.S.A. 12/16/2020

Hydraulic Winch

Please check the Allied Systems website

regularly for updates to this manual.

www.alliedsystems.com

A Product of

Sherwood, OR USA

Service Manual

H5C

Applicable to winches with serial numbers H5C***1226*** and later.

Safety Precautions

Read, understand and observe the Safety Summary

on pages i through iii

to prevent injury to personnel and damage to equipment.

Winch serial number _________________________

Date put into service _________________________

NOTE: This publication may be translated to different languages for sole purpose

of easy reference in non-English speaking locations.

Should there be differences in interpretations to the text,

please refer to the English language edition published by Allied Systems Company

as the controlling document.

Safety Summary

General Safety Notices

The following pages contain general safety warnings

which supplement specific warnings and cautions

appearing elsewhere in this manual. All electrical and

hydraulic equipment is dangerous. You must thoroughly

review and understand the Safety Summary before

attempting to operate, troubleshoot or service this winch.

The following symbols and terms are used to emphasize

safety precautions and notices in this manual:

The “DANGER” symbol indicates a

hazardous situation which, if not avoided,

will result in serious injury or death.

Carefully read the message that follows

to prevent serious injury or death.

The “WARNING” symbol appears

wherever incorrect operating procedures

or practices could cause serious injury

or death. Carefully read the message that

follows to prevent serious injury or death.

The “CAUTION” symbol appears where a

hazardous situation which, if not avoided,

could result in minor to moderate injury

and equipment damage.

NOTICE

This signal word alerts to a situation that

is not related to personal injury but may

cause equipment damage.

NOTE: …

The term “NOTE” highlights operating

procedures or practices that may improve

equipment reliability and/or personnel

performance.

NOTE: All possible safety hazards cannot

be foreseen so as to be included in this

manual. Therefore, you must always

be alert to potential hazards that could

endanger personnel and/or damage the

equipment.

Safety Regulations

Each country has its own safety legislation. It is in the

operator’s own interest to be conversant with these

regulations and to comply with them in full. This also

applies to local bylaws and regulations in force on a

particular worksite.

Should the recommendations in this manual deviate from

those in the user’ country, the national regulations should

be followed.

Operation, Inspection, and Maintenance Warnings

Obey the following cautions and warnings

before using your winch to avoid equipment

damage, personal injury or death.

• Do not operate the winch unless your are authorized

and trained to do so.

• Do not operate the winch unless the vehicle is

equipped with a screen to protect the operator if

the wire rope breaks.

• Read, understand, and follow the operating,

inspection, and maintenance instructions in this

manual.

• Do not use the control levers for hand holds when

entering or leaving the vehicle.

• Do not permit other people near the control area

when you inspect or repair a machine.

• Never inspect, repair, or perform maintenance on

a machine that is in motion.

Safety Summary

• Inspect the winch before each use:

»Make sure that the controls and instruments

operate correctly.

»Report the need for repairs immediately.

»Do not work with a damaged or worn wire rope.

»Do not use a winch that needs repairs.

»If the wire rope and ferrule must be removed

from the drum, make sure the end of the

wire rope and ferrule are controlled when

the ferrule is released. The end of the wire

rope can suddenly move from the drum like

a compressed spring when the ferrule is

released, and cause an injury.

• Stay in the operator’s seat when operating the

winch.

• Do not stand on the vehicle when operating the

winch.

• Avoid winch operation near people or other

machines.

• Never stand nor permit others to stand in the bight

(loop) of a wire rope.

• Do not stand nor permit others to be near the winch

or wire rope when there is tension on the wire rope.

• Observe jobsite rules.

• Be in complete control at all times.

• Do not use the control levers as hangers for clothes,

water bags, grease guns, lunch pails, etc.

• Do not leave the vehicle when the winch wire rope

is under tension.

• Do not permit riders on the vehicle or load.

• Do not use the winch as an anchor for a double or

two-part line.

• Do not pull the hook through the throat or over the

drum, which will cause damage.

• When the winch is not in use, make sure the control

lever is in BRAKE-ON position and the winch brake

is applied.

• Do not use winch as a hoist. Tractor and skidder

mounted winches are designed for towing.

• Always inspect wire rope, tail chain and other rigging

components for wear, damage, broken strands or

abuse before use.

• Never use wire rope, tail chain or other rigging that

is worn-out, damaged or abused.

• Never overload wire rope, tail chain or rigging.

• Wire rope and tail chain will fail if worn-out,

overloaded, misused, damaged, improperly

maintained or abused. Wire rope or tail chain failure

may cause serious injury or death!

• Do not terminate wire rope to tail chain by the use

of a knot.

• Do not handle wire rope if the hook end is not free.

A load could break away, suddenly tensioning the

wire rope, resulting in serious injury or death.

• Stay clear of wire rope entry areas (fairlead or arch

rollers, winch drum etc).

• Make sure ground personnel are in plain view of the

operator, and at a distance of at least 1½ times the

working length of the wire rope.

iii

Safety Summary

• Make sure that any hand signals used by ground

personnel are clearly deﬁned and understood by

everyone involved.

• Do not attempt to “jerk” or “shock” a load free. Doing

so can cause loads in excess of the rated capacity

of the wire rope, winch, or mounting hardware.

• Replace any parts only with genuine Allied Winch

parts. Refer to Parts Manual 599048W.

• Maintain a minimum of three (3) complete wraps

of wire rope on the drum for normal operation. It

may help to paint the last ﬁve wraps of wire rope

a contrasting color, to serve as a visual indicator.

• Do not handle wire rope with bare hands. Wear

leather gloves at all times.

• Align the tractor with the load to prevent side loading

the winch, and to maintain even spooling of the

wire rope.

• If applying tension to the wire rope manually during

spooling:

»ensure that the operator is winching in slowly,

»keep your hands and clothing well clear of any

rollers or the winch drum,

»do not maintain tension by letting the wire rope

to slip through your hands,

»use a hand-over-hand technique to maintain

tension.

• Be aware of the ground conditions, and make sure

the ground and tractor are stable enough to pull

the intended load.

• Do not attempt to pull loads in excess of the rated

capacity of the winch.

• Keep yourself informed of any applicable codes,

regulations and standards for the job.

• Your winch may have temperature shut-off system

for protection of tractor and winch. Manual override

of high temperature shut-off will cause damage to

tractor and winch.

• This winch is neither intended, designed, nor rated

for any application involved in the lifting or moving

of personnel.

• Use only the lubricants listed in the Recommended

Oil List. See pages 1-4 and 1-5.

• Do not weld on any part of the winch. Contact Allied

Systems if weld repairs are needed.

• The hydraulic system must be kept clean and free

of contamination at all times.

• Be aware of the hazards of pressurized hydraulics:

»Wear personal protective equipment, such as

gloves and safety glasses, whenever servicing

or checking a hydraulic system.

»Assume that all hydraulic hoses and components

are pressurized. Relieve all hydraulic pressure

before disconnecting any hydraulic line.

»Never try to stop or check for a hydraulic leak

with any part of your body; use a piece of

cardboard to check for hydraulic leaks.

»Small hydraulic hose leaks are extremely

dangerous, and can inject hydraulic oil under

the skin, even through gloves.

»Infection and gangrene are possible when

hydraulic oil penetrates the skin. See a doctor

immediately to prevent loss of limb or death.

Ordering Parts:

When ordering replacement parts, give the unit serial number,

part number, name of part and quantity required.

For any further information on parts, service or ordering,

consult your local winch dealer, or contact Allied Systems Company:

Allied Systems Company

21433 SW Oregon Street

Sherwood, OR 97140 USA

Phone: 503-625-2560

Fax: 503-625-5132

E-Mail: par[email protected]

Also see our website, www.alliedsystems.com, where the most current copy of this manual is always available.

Contents

Safety Summary .........................................................i

General ....................................................................1-1

Introduction...............................................................1-1

Description ...............................................................1-1

Unit Identiﬁcation ...............................................1-2

Serial Number Codes.........................................1-3

Nameplate .........................................................1-3

Speciﬁcations ...........................................................1-4

Drum Wire Rope Capacities...............................1-4

Hydraulic Speciﬁcations.....................................1-4

Oil Speciﬁcations ...............................................1-4

Oil Capacity........................................................1-4

Maintenance Decal ............................................1-5

Torque Speciﬁcations.........................................1-5

Gear Train ................................................................1-6

FREESPOOL Operation ..........................................1-7

Operation and Control ..............................................1-8

Brake ......................................................................1-10

Motor ......................................................................1-11

Counterbalance Relief Manifold .............................1-12

Control Manifold (without DRAG-BRAKE)..............1-13

Control Manifold (with DRAG-BRAKE)...................1-13

Sequence of Operation - K371 & L39

BRAKE-ON ......................................................1-15

LINE-IN ............................................................1-17

LINE-OUT ........................................................1-19

FREESPOOL ...................................................1-21

Sequence of Operation - C805, R371, R42

BRAKE-ON ......................................................1-23

LINE-IN ............................................................1-25

LINE-OUT ........................................................1-27

FREESPOOL ...................................................1-29

Sequence of Operation - Y46F

BRAKE-ON ......................................................1-31

LINE-IN ............................................................1-33

LINE-OUT ........................................................1-35

FREESPOOL ...................................................1-37

DRAG-BRAKE .................................................1-39

Schematics.............................................................1-41

Troubleshooting......................................................2-1

General.....................................................................2-1

Mechanical/Hydraulic Troubleshooting Charts..........2-1

Service.....................................................................3-1

General ....................................................................3-1

Maintenance.............................................................3-1

Maintenance Points............................................3-1

Maintenance Schedule ......................................3-1

Checks Before Operation...................................3-2

Checks During Operation...................................3-2

FREESPOOL Drag Adjustment .........................3-2

Hydraulic System Pressure Checks .........................3-2

Preparation.........................................................3-2

Pilot Supply Pressure Check..............................3-4

Installations without Optional DRAG-BRAKE:

Motor Supply Pressure Check ...........................3-5

Brake Pressure Check .......................................3-6

Brake Valve Pressure Check & Adjustment .......3-7

FREESPOOL Pressure Check...........................3-8

LINE-IN Pressure Check....................................3-9

LINE-OUT Pressure Check..............................3-10

Installations with Optional DRAG-BRAKE:

Motor Supply Pressure Check .........................3-11

Brake Pressure Check .....................................3-12

Brake Valve Pressure Check & Adjustment .....3-13

FREESPOOL Pressure Check.........................3-14

LINE-IN Pressure Check..................................3-15

LINE-OUT Pressure Check..............................3-16

DRAG-BRAKE Pressure Check.......................3-17

Repairs ...................................................................4-1

General ....................................................................4-1

Winch Removal ........................................................4-1

Winch Disassembly ..................................................4-1

Drum and Drum Shaft ........................................4-2

Intermediate and FREESPOOL Shaft................4-3

Motor Removal

Winches without optional DRAG-BRAKE........4-4

Winches with optional DRAG-BRAKE.............4-5

Motor Disassembly.............................................4-6

Brake Removal.................................................4-10

Brake Disassembly ..........................................4-14

Drag Brake Disassembly..................................4-15

Winch Assembly...............................................4-16

Visual Inspection..............................................4-16

Drag Brake Assembly ......................................4-18

Brake Assembly ...............................................4-19

Brake Installation..............................................4-20

Motor Assembly...............................................4-24

Motor Installation

Winches without optional DRAG-BRAKE....4-28

Winches with optional DRAG-BRAKE ........4-29

Winch Installation.............................................4-30

Contents

Notes

Section 1

1 - 1

General

Introduction

This service manual is for the H5C hydraulic winch. The

following information is included in this manual:

Section 1. General includes operation descriptions of

systems and components as an aid for troubleshooting

and repair.

Section 2. Troubleshooting lists common problems

and the possible causes and corrections.

Section 3. Maintenance provides a guide for periodic

maintenance, checks and adjustments.

Section 4. Repairs describes the removal,

disassembly and assembly of the winch.

Description

The H5C Winch is a Power Forward (LINE-IN) and Power

Reverse (LINE-OUT) winch. The winch is powered by an

internal hydraulic motor connected to the tractor hydraulic

system. Oil ﬂow and pressure are converted to rotational

energy by the winch motor. Motor torque is transmitted

through a holding brake and two gear reductions to the

drum. Hydraulic oil is supplied by the tractor mounted

auxiliary pump circuit or designated winch pump. The

winch utilizes oil, cooling, and sometimes ﬁltration provided

by the tractor circuit. Flow to the winch is controlled by a

control lever and electrical switches located at the tractor’s

control station.

The H5C winch has a maximum rated line pull capacity

of 222,400 N (50,000 lbf) when there is one layer or less

of wire rope on the drum. When there is more than one

layer of wire rope on the drum, the maximum rated line

pull is reduced.

Figure 1-1 H5C Winch

1. Drum

2. Access Cover for Motor and Hydraulics

3. Plug to Drain Oil

4. Plug to Check Oil Level

5. Serial Number Plate

6. Tie Bar

7. Fill Plug

8. Serial Number Stamp

9. Bearing Retainer for Intermediate Shaft & Freespool Drag

10. Right Side Drum Shaft

11. Breather

General

1 - 2

Unit Identiﬁcation

Allied Winch S/N Nameplate Data For Tractor Mountings

Figure 1-2 Tractor Identiﬁcation Codes and Available Gear Ratios for H5C Winch

Tractor Make Model and Starting Tractor Serial Number Where Applicable

H5C T 2 D 1235 K371

Sequence Number

Winch Model

Gear Ratio (Code #)

1 = 44.75:1

2 = 48.00:1

Hydraulic Operation Type

T = Standard

Tractor Direction Valve, Single or 2-Speed

Vehicle Code

See Figure 1-2

Internal Options

D = External Pump, PFR, FS, Overwind,

2-Speed (Rescue)

G = External Pump, PFR, FS, Overwind,

2-Speed (Rescue), DRAG-BRAKE (HI-P)

1. In Addition to the serial number plate, the

serial number is stamped on the top left-

hand side of the frame. (See Figure 1-1

on page 1-1.)

2. Circled numbers in Figure 1-2 indicate

possible gear ratio.

Notes:

Caterpillar

Komatsu

Liebherr

Case

Tigercat

39 PR716



42 1650M



46F 920



371 D51-24

1150M



805 D6K2 T4f



H5C

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