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Allied Systems H4A Operating Manual

Hydraulic winch
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Operating Manual
H4A
Hydraulic
Winch
This manual must be with the vehicle
on which this winch is installed.
Please check the Allied Systems website
regularly for updates to this manual.
A Product of
A P d
f
www.alliedsystems.com
Sherwood, OR USA
P/N 599014W
Printed in U.S.A.
03/05/2021

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  • Page 1 Operating Manual Hydraulic Winch This manual must be with the vehicle on which this winch is installed. Please check the Allied Systems website regularly for updates to this manual. A Product of A P d www.alliedsystems.com Sherwood, OR USA P/N 599014W Printed in U.S.A.
  • Page 2 Serial Number Winch Model Date Installed Date Delivered Special Equipment or Attachments A Product of Allied Systems Company 03/05/2021 Sherwood, Oregon Printed in U.S.A. U.S.A.

  • Page 3: Foreword

    Operating Manual, contact your local winch dealer, in good condition. or contact Allied Systems Company: • Read and understand the SAFETY SUMMARY Allied Systems Company...
  • Page 4 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.

  • Page 5: Table Of Contents

    Contents Contents Foreword ..............i BRAKE-ON ............16 LINE-IN ............16 Contents ..............iii HI-SPEED ............17 LINE-OUT ............17 Safety Summary ............. v FREESPOOL ...........17 BRAKE-OFF ............17 General Operational Adjustments ........18 Introduction ...............1 FREESPOOL Drag Adjust .......18 Operating Principles of the Winch ......1 Arch Adjustments ..........18 Nameplate ..............2 Wire Rope Selection ..........3...
  • Page 6 Intentionally Blank...

  • Page 7: Safety Summary

    Safety Summary Safety Summary General Safety Notices WARNING The following pages contain general safety warnings The “WARNING” symbol appears wherever which supplement specific warnings and cautions incorrect operating procedures or practices appearing elsewhere in this manual. All electrical and could cause serious injury or death. hydraulic equipment is dangerous.
  • Page 8 Should the recommendations in this manual deviate from NOTICE those in the user’s country, the national regulations should be followed. This signal word alerts to a situation that is not related to personal injury but may cause NOTE: All possible safety hazards cannot equipment damage.
  • Page 9 Safety Summary Operation, Inspection, and Maintenance Warnings • Never inspect, repair, or perform maintenance on a machine that is in motion. Obey the following cautions and • Inspect the winch before each use: warnings before using your winch to » Make sure that the controls and instruments avoid equipment damage, personal operate correctly.
  • Page 10 • Never stand nor permit others to stand in the bight • Do not use winch as a hoist. Tractor and skidder (loop) of a wire rope. mounted winches are designed for towing. • Do not stand nor permit others to be near the winch or wire rope when there is tension on the wire rope.
  • Page 11 Safety Summary • Wire rope and tail chain will fail if worn-out, • Stay clear of wire rope entry areas (fairlead or arch overloaded, misused, damaged, improperly rollers, winch drum etc). maintained or abused. Wire rope or tail chain failure •...
  • Page 12 • Align the tractor with the load to prevent side loading • Keep yourself informed of any applicable codes, the winch, and to maintain even spooling of the regulations and standards for the job. wire rope. • Your winch may have temperature shut-off system •...
  • Page 13 Safety Summary • Be aware of the hazards of pressurized hydraulics: WARNING » Wear personal protective equipment, such as gloves and safety glasses, whenever servicing Maximum permissible pressure and fl ow: or checking a hydraulic system. » Assume that all hydraulic hoses and components are pressurized.
  • Page 14 Notes...

  • Page 15: General

    The H4A is a hydraulic winch with a maximum line pull of High-Performance, Self Contained Hydraulics (SCH) 45,000 lbs (21,319 kg) on the fi rst layer of wire rope. The...

  • Page 16: Nameplate

    Nameplate Each winch is shipped from the factory with a nameplate as shown in Figure 1. The nameplate is stamped with: • winch model • winch serial number • maximum bare drum line pull • maximum wire rope diameter DO NOT operate the winch with larger diameter wire rope. If the nameplate is missing, DO NOT operate the winch until its capacity is known.

  • Page 17: Wire Rope Selection

    2 inches long with a 1.5-inch diameter and is commonly Wire Rope Selection known as a “Bantam” ferrule. The H4A winch can have a variety of wire rope sizes installed by the user. The maximum wire rope size is shown on the nameplate. See Figure 2 for other recommended WARNING wire rope sizes and drum capacities.

  • Page 18: Winch Description

    Winch Descriptions Figure 3 - H4A Standard Winch and External Pump, High-Performance Winch Confi guration...
  • Page 19 General Figure 4 - H4A High-Performance Winch, Self-Contained Hydraulics (SCH) Confi guration...

  • Page 20: Control Levers & Decals

    Controls The following winch functions are controlled at operator console: BRAKE-ON - at rest condition, holding brake is FREESPOOL - mechanically disconnects to allow pulling automatically applied. wire rope off of the drum by hand, LINE-IN - releases holding brake and rotates drum to reel BRAKE-ON, LINE-IN and LINE-OUT are controlled by a wire rope onto the drum.
  • Page 21 General LINE-IN HIGH SPEED LINE-IN LINE-OUT HIGH SPEED LINE-OUT BRAKE-ON BRAKE-OFF FREESPOOL CONTROL LEVER ASSEMBLY CONTROL LEVER DECAL (ARROWS SHOW LEVER TRAVEL) Figure 5 - Controls (S/N Code B & E; S/N H4A-1000 thru 1014)
  • Page 22 LINE-IN HIGH SPEED LINE-IN LINE-OUT HIGH SPEED LINE-OUT BRAKE-ON FREESPOOL CONTROL LEVER ASSEMBLY CONTROL LEVER DECAL (ARROWS SHOW LEVER TRAVEL) Figure 6 - Controls (Vehicle Codes: C16, C17, C18, K12; S/N H4A-1015 through H4A-1161. R15 All Serial Numbers)
  • Page 23 General LINE-IN LINE-OUT BRAKE-ON FREESPOOL Figure 7 - Single Axis Control Lever (Vehicle Codes: C17, C18, C19, C20, C201, K13, K14, R16 & R17; S/N H4A-1162 & Up)

  • Page 24: Recommended Oil List

    Recommended Oil List Recommended Oils* - General Conditions Ambient Temperature Range Manufacturer Oil Type °F °C ExxonMobil Mobil Fluid 424 (Factory fill) -13 to 104 -25 to 40 ™ Caterpillar Multipurpose Tractor Oil (MTO) -13 to 104 -25 to 40 Recommended Oils* - Low Temperature Conditions Ambient Temperature Range Manufacturer...

  • Page 25: Serial Number Codes

    Maintenance Serial Number Codes 1555 Winch Model Vehicle Code H4A = Production See Figure 11 K4A = Special Hydraulic Operation Type Sequence Number H = High Performance (Hydrostatic or Hydraulic Two Speed) Internal Options T = Standard (Tractor Controls & Pump)

  • Page 26: Tractor Identifi Cation & Winch Gear Ratios

    Figure 11 - Tractor Identifi cation and Winch Gear Ratios New Holland Caterpillar John Deere Dressta Komatsu Case Shantui & Fiat KOMSTAT D31/37/39 E-21 & E21-A  D31/37/39 SD-10 E-22   D37/39 E-23  650/750/850K, 450-650J TD7S, TD8S 750/850L ...
  • Page 27 General Figure 11 - Tractor Identifi cation and Winch Gear Ratio New Holland Caterpillar John Deere Dressta Komatsu Case Shantui & Fiat D4/5G *b  D3/4/5K  D3/4/5K2 T4f *c  D5K & D5K2 T4i  D5K2 With Fireplow  700H/J ...

  • Page 28: Optional Equipment

    Optional Equipment * When winch is fi tted with an arch, wire rope diameter shall be reduced one size from maximum recommended The H4A winch may be equipped with the following wire rope diameter. options: • Integral Arch* NOTE: Not all optional equipment listed is available •...

  • Page 29: Operation

    Operation Operation Checks before Operation is bypassing the fi lter. Figure 13 shows three styles of the fi lter bypass LED. A bypass condition means that either • Check that the wire rope and hook are not worn or the oil is too thick or the fi lter is restricted and should be damaged.

  • Page 30: Operating Procedures

    Operating Procedures To operate the winch, the tractor must be running and the auxiliary hydraulic function switch (or lever) must be in the “ON” or “UNLOCKED” position. Through the operator WARNING controls, hydraulic power from the tractor is sent to the winch motor to control direction and speed of the winch A minimum of 3 wraps of wire rope must drum rotation.

  • Page 31: Hi-Speed

    Operation HI-SPEED operation is achieved at the expense of winch slide the locking tab, then push the rocker switch. The pulling force. While pulling at high speed, if the load winch remains in FREESPOOL mode until the switch is increases, the winch will automatically adjust the motor turned off.

  • Page 32: Operational Adjustments

    WARNING drag adjust. During LINE-OUT, FREESPOOL or BRAKE- Arch Adjustments: The arch for the H4A has two OFF operation, it is possible for the wire adjustments for the main roller position. The arch can rope to be spooled out completely to the be pivoted about the rear mounting ears by relocating end.
  • Page 33 Operation main roller also has two mounting heights. The upper height is used for lighter line pulls to raise the end of the load higher off the ground. For heavier line pulls, use the lower roller height for better tractor stability. ADJUST ARCH FORWARD OR BACKWARD ON REAR MOUNTING EARS...
  • Page 34 Intentionally Blank...

  • Page 35: Maintenance

    Under normal application A fi lter bypass indicator light is used with the H4A. Some conditions, the following maintenance intervals are winches are supplied with the indicator light, and others suggested.

  • Page 36: Maintenance Points

    Maintenance Points Figure 15 - H4A Maintenance Points...

  • Page 37: Maintenance Schedule

    Maintenance Maintenance Schedule INTERVAL PROCEDURE SPECIFICATION & QUANTITY Daily Clean the area around the breather. Check the oil level. See Figure 8 for approved oils. Check the oil fi lter warning light. Change fi lter if light remains lit after warming-up period.

  • Page 38: Troubleshooting

    Troubleshooting CAUTION Winch problems generally fall into one of three categories: The winch oil should never exceed the controls, hydraulic system, or mechanical system. Follow maximum operating temperature of 239°F the troubleshooting steps below to isolate the probable (115°C), as overheating will cause winch location of the malfunction, then refer to Figure 17, damage.

  • Page 39: Troubleshooting Chart

    POSSIBLE CAUSE CORRECTION Winch gets very hot Low oil level. Add oil; refer to Figure 17, Oil Selection (H4A will operate at 180°F) Chart. Improper oil viscosity. Use correct oil grade; refer to Figure 17, Oil Selection Chart. Winch coated with dirt.
  • Page 40 PROBLEM POSSIBLE CAUSE CORRECTION Operation is rough Low oil level. Add oil; refer to Figure 8. Low charge pressure. See Service Manual. Motor hunting between high Motor speed orifi ce too large. See Service and low speed. Manual for further information. Drum continues to rotate after Pump staying on stroke too 1.

  • Page 41: Operating Techniques

    Operating Techniques Operating Techniques Tractor or Skidder Operation Step 1. The tractor or skidder is moved to an area where Step 2. A load (logs) is connected to the wire rope. The a load will be connected. The operator moves the control operator moves the control lever to the BRAKE-ON lever to the LINE-OUT, HIGH SPEED LINE-OUT or position.
  • Page 42 If the load is nearly the capacity of the line pull, the load at the same time. (Note: BRAKE-OFF option was operator must move the load close to the vehicle before last used on serial number H4A-1014.) beginning to travel.
  • Page 43 Operating Techniques Step 5. When the vehicle is on fi rm ground, the operator Step 6. When the operator wants to disconnect from can move the control lever to LINE-IN or HIGH SPEED the load, the vehicle is stopped and the control lever is LINE-IN to pull the load toward the vehicle.

  • Page 44: How To Move A Disabled Vehicle

    How to Move a Disabled Vehicle If the vehicle travels faster than the winch winds the wire rope, disengage the transmission until the winch wire rope is tightened again. A. A tractor or skidder often travels in areas where traction conditions are bad.
  • Page 45 Operating Techniques B. A tractor or skidder equipped with a winch can be used Fasten the winch wire rope to the tow bar of the other to pull another vehicle from mud or other areas where it vehicle. The wire rope must be in a direction that is cannot move using only the drive wheels or tracks.

  • Page 46: Working On A Steep Slope

    Working on a Steep Slope A. Moving down the slope: Set the throttle on the tractor for the required engine speed. WARNING Put the tractor in FORWARD. At the same time, move the winch control lever to LINE-OUT slightly The winch and the tractor must be in good condition for the following procedures.

  • Page 47: Other Equipment Is Down The Slope

    Fully engage LINE-IN as necessary. Do not permit The H4A is a towing winch and should not the winch wire rope to loosen and pass under the be used for hoisting. Down slope vehicles drive wheels or tracks of the tractor.
  • Page 48 A. Lowering the equipment on the slope: B. Raising the equipment on the slope: Set the throttle on the tractor for the required engine Set the throttle on the tractor for the required engine speed. speed. Operator experience is required for this operation so that the load is carefully controlled.
  • Page 49 General Notes Notes...
  • Page 50 Notes...
  • Page 52 To find a dealer in your area, Call: 503.625.2560, Fax: 503.625.7269, or Email: marketing@alliedsystems.com, or 599014W 03/05/2021 Printed in U.S.A. Visit our website: www.alliedsystems.com...

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