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Summary of Contents for Hydro UTOWE170-C-4
- Page 1 Operating Instructions Spare Parts List Tow Bar UTOWE170-C-4 Serial number: ............ Year of Construction: ...........
- Page 2 Record of Revisions The basic issue of this manual for the UTOWE170-C-4 was published in June 2009: 09.06.0 year month revision number Revision No. Chapter Revised Pages Date Inserted By 10.12.3 December 16, 2010 K. Harris 12.03.4 Multiple II, III, V, 6, 19, March 6, 2012 A.
- Page 3 Data sheet UTOWE170-C-4 Fig.: 1 Data sheet Total length: 5,304.79 mm Total width: 662.94 mm Tube: Steel tube 127 mm O.D. X .6,350 mm WALL Weight: 181.6 Kg Tires: 2.4 bar Operating temperature: - 20° C to + 60° C / (- 4° F to + 140° F)
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Page 4: Table Of Contents
Table of Contents Record of Revisions ......................I Data sheet UTOWE170-C-4 ..................II Table of Contents ......................III Table of Figures......................V Table of Diagrams ......................V Introduction........................VI 0-0 SAFETY ........................1 Explanation of Directions Used in this Manual ............1 General Remarks....................2 Purpose / Use According to Intended Purpose ...........3 Responsibility of Operators .................3... - Page 5 5-0 ILLUSTRATED SPARE PARTS LIST ...............26 Main towbar ......................27 Tow head assy. 3301-0005-000................29 Tow eye 3303-0002-009 ..................31 Parts Kit 3303-0006-002 ...................33 12.06.7 UTOWE170-C-4 Page IV...
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Page 6: Table Of Figures
Fig.: 10 Tow eye 3303-0002-009 ................32 Table of Diagrams Tab.: 1 Towing speed ....................3 Tab.: 2 Sources of Danger..................7 Tab.: 3 Maintenance Instructions ................18 Tab.: 4 Grease Requirements and Grease ...............22 Tab.: 5 Trouble shooting ...................25 12.06.7 UTOWE170-C-4 Page V... -
Page 7: Introduction
Introduction This tow bar UTOWE170-C-4 was designed based on over 30 years of Hydro experience in manufacturing tow bars. The design focus of this new product was to combine an outstanding level of operator safety with meeting today’s requirements for highly competitive ground support equipment. - Page 8 0-0 “Safety”. A disregard of these operating instructions and any damage resulting from such a disregard leads to an exclusion of liability by Hydro System USA Inc. These operating instructions cannot anticipate every potential application. For further information or in case of problems that are not described or described insufficiently in these operating instructions, please contact manufacturer.
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Page 9: Safety
A negligence of these directions can result in injury to a person or can cause damage to the equipment. Important: Important stands for an important direction for the proper usage of the machine. A negligence of these directions can result in damage to the machine or the machine surroundings. 12.06.7 UTOWE170-C-4 Page 1... -
Page 10: General Remarks
In addition, the prevailing weather conditions as well as ambient conditions are to be taken into consideration when selecting the towing speed. 12.06.7 UTOWE170-C-4 Page 2... -
Page 11: Purpose / Use According To Intended Purpose
· Only trained and instructed personnel may work with the tow bar. The operating instructions are to be respected. · The personnel's responsibility for start-up, operation, maintenance and repair of the tow bar must be clearly defined. 12.06.7 UTOWE170-C-4 Page 3... -
Page 12: Safety Instructions
· if safety measures have been taken to prevent a putting into operation of the tow bar. · After the delivery of individual components and after repair works (carried out with the manufacturer's consent) all protective devices must be mounted properly again. 12.06.7 UTOWE170-C-4 Page 4... -
Page 13: Risks Due To Hydraulic Energy
The recommended replacement interval is six years, including a storage time of two years. · Observe additional local and national safety regulations and guidelines for hydraulic hose lines. · Do not change any factory-set parameters. 12.06.7 UTOWE170-C-4 Page 5... -
Page 14: Modification Of The Equipment
0-10 Copyright · These operating instructions are only intended for the operator and his personnel. · HYDRO Systems USA Inc., 2302 West Valley HWY N, Suite 100 Auburn, WA 98001, has the copyright of these operating instructions. 12.06.7 UTOWE170-C-4 Page 6... -
Page 15: Potential Sources Of Danger
Do not stand between of contusion for legs. tractor and tow eye. Height-adjustable During retraction of Keep hands away from undercarriage (if undercarriage risk of return springs. available). contusion for fingers in return springs. Tab.: 2 Sources of Danger 12.06.7 UTOWE170-C-4 Page 7... -
Page 16: Description
At both ends of the tube body there are handles facilitating the maneuvering operation. A support on the tow eye side and a support on the tow head side prevent a crashing of the tow eye and the tow head onto the ground. 12.06.7 UTOWE170-C-4 Page 8... -
Page 17: Tow Eye
To transport the tow bar the undercarriage must be extended; to tow the aircraft it must be retracted to avoid damage to the tow bar. 12.06.7 UTOWE170-C-4 Page 9... -
Page 18: Safety
In overload cases the shear pins integrated in the tow head break. A retaining pin prevents a total separation of tow head and tube body. Spare Parts Service Delivery of all spare parts manufactured by HYDRO is guaranteed for ten (10) years. 12.06.7... -
Page 19: Operation
Connect tow eye of tow bar to coupling of tractor. 2-1-3 Move tow bar to required position at the aircraft (NLG). 2-1-4 Uncouple tow bar from tractor and tilt tow eye side carefully towards the ground. Attention: Note max. towing speed (see chapter 0-2). 12.06.7 UTOWE170-C-4 Page 11... -
Page 20: Connection To Aircraft
When connecting to the aircraft make sure that the tow bar is positioned horizontally as far as possible while connected. Fig.: 2 Horizontally coupled tow bar Fig.: 3 Tow bar not coupled horizontally 12.06.7 UTOWE170-C-4 Page 12... - Page 21 Risk of contusion for hands, fingers and legs. Do not stand between tractor and tow bar. 2-2-5 Retract undercarriage completely by opening release valve on hand pump. Important: Make sure that undercarriage of tow bar is completely retracted during towing operation to avoid serious damage. 12.06.7 UTOWE170-C-4 Page 13...
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Page 22: Fig.: 4 Exceeding The Maximum Steer Angle
Important: Make sure that the maximum steer angle is not exceeded while towing! Fig.: 4 Exceeding the maximum steer angle 12.06.7 UTOWE170-C-4 Page 14... -
Page 23: Disconnection From Aircraft And Tractor
A collision of the tow bar and aircraft can lead to damages to the aircraft and/or to the tow bar. Avoid collisions while separating the aircraft and tow bar. 2-3-4 Extend undercarriage completely. Couple tow bar to tractor and tow it to parking position. 12.06.7 UTOWE170-C-4 Page 15... -
Page 24: Functional Description Of Tow Head
· Pull out safety pin (1) · Pull lever (2) upwards until jaw (3) is completely open. How to close and lock · Push down lever (2) into the locking position until safety pin (1) engages. Fig.: 5 Tow Head 12.06.7 UTOWE170-C-4 Page 16... -
Page 25: Maintenance
- Do the mobile parts move easily? Check shear pins. - Are shear pins available? - Is there any shear pin damage visible in built-in condition? Replace shear pins in case of damage (see chapter 3-2). 12.06.7 UTOWE170-C-4 Page 17... - Page 26 Visual inspection of shear pins for - Dismount shear pins cracks and visual damage. Replace them in case of (see also chapter 3-2) Grease tow head. See chapter 3-4 Check oil level. See chapter 3-5 Tab.: 3 Maintenance Instructions 12.06.7 UTOWE170-C-4 Page 18...
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Page 27: Replacement Of Shear Pins
Grease shear pins before installation. Remove nut (23) + (27). Remove shear pins (16) + (17). Inspect pins for damage (16) + (17). If necessary, replace shear pins (16) + (17) and secure with nuts (23) + (27). 12.06.7 UTOWE170-C-4 Page 19... -
Page 28: Fig.: 6 Replacement Of Shear Pin And Retaining Pin
11+12 Headed Bushing 13+14 Shear Bushing Rubber Cushion Push / Pull Shear Pin Torsion Shear Pin Safety Pin 23+27 Nut Fig.: 6 Replacement of shear pin and retaining pin Washer 12.06.7 UTOWE170-C-4 Page 20... -
Page 29: Replacement Of Retaining Pin
4. If necessary, replace retaiining pin and secure with nuts (23) and washer (24). 11+12 Headed Bushing 13+14 Shear Bushing Rubber Cushion Push / Pull Shear Pin Fig.: 7 Replacement of shear pin and retaining pin 12.06.7 UTOWE170-C-4 Page 21... -
Page 30: Grease Requirements And Grease
Qualitatively high-grade calcium, lithium or a ISO6743/9 combined calcium-lithium saponified grease with a mineral oil base DIN 51825 quality KP2K-30 or ISO L-XCEEB2 Consistency class NLGI 2 Water resistance 0-90 or 1-90 Tab.: 4 Grease Requirements and Grease 12.06.7 UTOWE170-C-4 Page 22... -
Page 31: Checking Of Oil Level
Different hydraulic oils are not to be mixed together. If the original hydraulic oil is not used, other product compatibility with the following sealing materials is to be checked: - PU - NBR - FKM/FPM - PTFE - PTFE compound - POM - PFA 12.06.7 UTOWE170-C-4 Page 23... -
Page 32: Trouble Shooting
(see chapter 3-5). Leakage at Replace damaged part. - hand pump - tubes - hydraulic cylinder. Undercarriage (if Release valve on hand pump is Open release valve. height-adjustable) closed. does not retract. Springs are defective. Replace springs. 12.06.7 UTOWE170-C-4 Page 24... - Page 33 Damaged shear pins. Change shear pins. Mounting position of the shear Check mounting position of the bushing and/or shear pin is not shear pin and correct if correct. necessary. Tab.: 5 Trouble shooting 12.06.7 UTOWE170-C-4 Page 25...
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Page 34: Illustrated Spare Parts List
ILLUSTRATED SPARE PARTS LIST When ordering spare parts, please indicate: · Year of construction · Serial number · Part number · Designation of part · Model 12.06.7 UTOWE170-C-4 Page 26... -
Page 35: Main Towbar
Main towbar ITEM NUMBER PART NUMBER DESCRIPTION QTY, 3303-0002-009 TOW EYE ASSY. 3303-0004-014 MAIN TUBE ASSY. 3303-0003-001 UNDERCARRIAGE ASSY. 3301-0005-000 TOW HEAD ASSY. 3303-0003-007 AXLE 12.06.7 UTOWE170-C-4 Page 27... -
Page 36: Fig.: 8 Main Towbar
Fig.: 8 Main towbar 12.06.7 UTOWE17U737-C-4 Page 28... -
Page 37: Tow Head Assy. 3301-0005-000
Tow head assy. 3301-0005-000 ITEM NUMBER PART NUMBER DESCRIPTION QTY, 3301-0005-001 REMOVED 3301-0005-023 Flange - Weldment 3301-0005-008 Sliding bar 3301-0005-009 Plate 3301-0005-010 Pivot plate 3301-0005-011 Plate 3301-0005-012 Handle - Weldment 3301-0005-015 Guide 3301-0005-016 Plate 3301-0005-017 REMOVED 3301-0005-018 Shear bush 3301-0005-019 Shear bush 3301-0005-020 Shear bush... -
Page 38: Fig.: 9 Tow Head 3301-0005-000
Fig.: 9 Tow head 3301-0005-000 12.06.7 UTOWE170-C-4 Page 30... -
Page 39: Tow Eye 3303-0002-009
Tow eye 3303-0002-009 ITEM NUMBER PART NUMBER DESCRIPTION QTY, 3303-0002-010 EYE SHAFT ASSY. 3303-0002-002 FLANGE ASSY. 3050019 SPRING PIN 3303-0002-007 SPACER 3303-0002-008 SPRING 3020199 CASTLE NUT 3011110 BOLT 12.06.7 UTOWE170-C-4 Page 31... -
Page 40: Fig.: 10 Tow Eye 3303-0002-009
Fig.: 10 Tow eye 3303-0002-009 12.06.7 UTOWE170-C-4 Page 32... -
Page 41: Parts Kit 3303-0006-002
.5625 X 1.1562 WASHER 3030194 .875 X 1.75 X .16 FLAT WASHER 3040916 Ø3/16 X 1.75 LG COTTER PIN 3050077 Ø.15625 X 1.00 LG 3303-0003-007 MAIN AXLE 3303-0003-008 PIN, CYLINDER PIVOT 3011082 1/4-20 X 1.25 SOCKET HEAD CAP SCREW 12.06.7 UTOWE170-C-4 Page 33...
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