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HURST Unitool SC 250 M Instruction Manual

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Instruction manual for rescue equipment
7
6
1 Rotary knob (control valve)
2 Hand lever
3 Equipment body
4 Handle
5 Protective hose
6 Blade arm
Unitool SC 250 M
3
4
5
8
7 Pivot bolt with self-locking
8 Rotatable tool head
9 Grab handle
10 Carrying strap
(Original instruction manual)
2
nut
Built to extend lives.™
1
273055085 US
Edition 07.2014
replaced 11.2011
10
9

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Summary of Contents for HURST Unitool SC 250 M

  • Page 1 Built to extend lives.™ Instruction manual for rescue equipment Unitool SC 250 M 1 Rotary knob (control valve) 7 Pivot bolt with self-locking 2 Hand lever 3 Equipment body 8 Rotatable tool head 4 Handle 9 Grab handle 5 Protective hose...

  • Page 3: Table Of Contents

    Content Page 1. Hazard classes 2. Product safety 3. Intended use 4. Description of function 4.1 Description 4.2 Operational control 5. Operation 5.1 Controlling the working direction 5.2 Blade arm movement 6. Cutting, spreading, pulling and squeezing 6.1 Safety information 6.2 Cutting 6.3 Spreading 6.4 Pulling...

  • Page 4: Hazard Classes

    1. Hazard classes We distinguish between various categories of safety instructions. The table below gives you an overview of the assignment of symbols (pictograms) and key words to the specifi c hazard and possible consequences. Damage / Pictogram Key word Defi...

  • Page 5: Product Safety

    2. Product safety HURST products are developed and manufactured in order to guarantee the best performance and quality when used properly. Operator safety is the most important aspect of the product design. Furthermore, the operating instructions are intended to help in using HURST products safely.
  • Page 6 (additions or conversions) to equipment and secure it. The the device without obtaining malfunction is to be repaired the prior approval of HURST immediately. Observe all safety and danger All safety and danger notes notes on the device and in the on the device are to be operating instructions.
  • Page 7 The device is fi lled with When working with or storing a hydraulic fl uid. These the device, ensure that the hydraulic fl uids can be function and the safety of the dangerous to health if device are not impaired by swallowed or their vapours the effects of stark external inhaled.

  • Page 8: Intended Use

    Trapped persons can also be freed using them e. g. by forcing open doors and/or by removing obstacles with the aid of a chain set. HURST handheld combi tools can basically be used to cut, pull, open, squeeze and lift objects.

  • Page 9: Description Of Function

    In addition, HURST handheld combi tools are fi tted with a tool head that can rotate through 360° to allow optimum application of the blade arms at all times and ensure optimum pumping.

  • Page 10: Operation

    5. Operation 5.1 Controlling the working direction The working direction is adjusted before actuating the hand lever by turning the rotary knob to the desired switching end point. Counterclockwise = closing blade arms Cutting Clockwise = opening blade arms Spreading 5.2 Blade arm movement Actuate the hand lever (up and down movement) to move the two blade arms in the set working direction.

  • Page 11: Cutting, Spreading, Pulling And Squeezing

    6. Cutting, spreading, pulling and squeezing 6.1 Safety information Before rescue works can commence, the position of the obstacle must be stabilised. You must ensure an adequate substructure and / or adequate support of the object. World-wide, safety guidelines pertaining to the specifi c country are to be observed and complied with.

  • Page 12: Cutting

    6.2 Cutting The blades must be positioned at a 90° angle to the object to be cut. 90° WRONG RIGHT Higher cutting capacities can be achieved by cutting as close as possible to the blade’s pivot point. WRONG RIGHT During cutting, the gap between the blade tips (in the transverse direction) must not be exceed of 3 mm (0.12 in.), otherwise the blade is in danger of breaking.

  • Page 13: Spreading

    Only chain sets in perfect condition may be used! The pull chains are to be inspected at least once per year by an expert! See separate operating instructions for the relevant HURST chain set in order to correctly attach, affi x and use the chain sets.

  • Page 14: Squeezing

    6.5 Squeezing Basically, squeezing may only be carried out in the area of the tips (see fi gure below). Squeezing area 7. Dismantling the equipment / deactivation after use Once work has been completed, the blade arms are to be closed so that there is a tip distance of just a few mm.
  • Page 15 CAUTION! Clean off any dirt before checking the device! When cleaning the equipment, ensure that no cleaning agents are used with pH values outside the range 5 - 8! WARNING / ATTENTION / CAUTION! In order to carry out maintenance and repair works, tools appropriate for the job and personal protecting equipment are essential.

  • Page 16: Repairs

    Servicing may only be carried out by the manufacturer or personnel trained by the manufacturer and by authorised HURST dealers. When replacing components, only original HURST spare parts must be used (as detailed in the Spare Parts List) and instructions relating to the use of special tools, assembly procedures, safety aspects and testing must be complied with (see also the chapter entitled ‘Maintenance and Servicing’).

  • Page 17: Repairs

    9.3 Repairs 9.3.1 Replacing the blades, protection hose and handle 1. Start by carefully cleaning the rescue equipment. 2. Next, close the blade arms so that the tips are almost touching. NOTE: The blade bolts are only accessible when the blade arms are almost touching 3.
  • Page 18 If the protection hose needs changing, follow the procedure as far as Step 8 and then go on to Step 11. CAUTION! Don’t forget to apply HURST special grease to all sliding surfaces. CAUTION! A special process is used to match the pivot bolt and the self-locking nut. When...

  • Page 19: Troubleshooting

    2. Clean surfaces with industrial alcohol. 3. Attach new labels. Ensure that you attach the labels in the right position. If you are no longer sure about this, then please contact your authorised HURST dealer or HURST itself. 10. Troubleshooting Problem...

  • Page 20: Technical Data

    If it is not possible to remedy the malfunctions, inform an authorised HURST dealer or the HURST Customer Service department directly! The address of the HURST Customer Service Department is: HURST JAWS OF LIFE, INC A Unit of IDEX Corporation 711 N.

  • Page 21: Pivot Bolt Tightening Torques

    11.2 Pivot bolt tightening torques Type SC 250 M Pivot bolt M24 x 1,5 [mm] Wrench size [in.] 1.42 [Nm] 100 +10 Torque [lbf.in.] 885 + 89 11.3 Cutting performance Cutting material Cutting material dimensions SC 250 M max. [mm] [in.] Round material steel (acc.

  • Page 22: Ec Declarations Of Conformity

    12. EC declarations of conformity...

  • Page 23: Notes

    13. Notes...
  • Page 24 Please dispose of all packaging materials and dismantled parts properly HURST JAWS OF LIFE, INC A Unit of IDEX Corporation 711 N. Post Road Shelby, NC 28150 USA Phone: (704) 487-6961 Fax: (704) 487-7271 E-mail: contacthurst@idexcorp.com SC250M_unitool_manual_273055085_en.indd Copyright 2014 Hurst Jaws of Life, INC...

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