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CALIBRATED 3/8”SQ DRIVE INSULATED
TORQUE WRENCH 12-60NM
MODEL NO:
STW803
Thank you for purchasing a Sealey product. Manufactured to a high standard, this product will, if used according to these
instructions, and properly maintained, give you years of trouble free performance.
IMPORTANT:
PLEASE READ THESE INSTRUCTIONS CAREFULLY. NOTE THE SAFE OPERATIONAL REQUIREMENTS, WARNINGS & CAUTIONS. USE
THE PRODUCT CORRECTLY AND WITH CARE FOR THE PURPOSE FOR WHICH IT IS INTENDED. FAILURE TO DO SO MAY CAUSE DAMAGE AND/OR
PERSONAL INJURY AND WILL INVALIDATE THE WARRANTY. KEEP THESE INSTRUCTIONS SAFE FOR FUTURE USE.
1. SAFETY
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Ensure all workshop safety rules, regulations, and conditions are complied with when using torque wrench.
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Maintain the wrench in good condition and replace any damaged or worn parts. Use genuine parts only. Non-authorised parts may be
dangerous and will invalidate the warranty.
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The wrench is a precision tool,
DO NOT
abuse it.
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Maintain correct balance and footing. Ensure the floor is not slippery and wear non-slip shoes.
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Keep children and unauthorised persons away from the working area.
WARNING! DO NOT
use the wrench if damaged or thought to be faulty. (Contact Service Agent).
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DO NOT
drop or throw the wrench.
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DO NOT
use wrench unless you have been instructed in its use by a qualified person.
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DO NOT
use any cleaner which might affect the high pressure grease with which the wrench is packed.
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After use adjust to lowest torque setting (but not below),clean and store in a safe, dry, childproof location.
2. INTRODUCTION
Chrome Vanadium steel reversible 60-tooth ratchet head. Impact resistant polycarbonate tubing combined with injection moulded nylon
thermoplastic for total insulation. Calibration tolerance in accordance with BS EN ISO 6789:2017. Accuracy of ±1% at 21°C. Easy-to-read dual
scale graduated in both Nm and lb.ft. Cold and heat resistant – minus 40°C to 70°C. Fully insulated to BS EN IEC 60900:2018 to protect from
electric shocks up to 1500V DC and 1000V AC. Ideal for technicians working on modern hybrid and electrical vehicles (1500V DC safe live
working). Includes test and calibration certificate.
3. SPECIFICATION
Model ....................................................................... STW803
Drive .......................................................................... 3/8” Sq
Length ........................................................................ 350mm
Range ..................................................................... 12-60Nm
4. OPERATION
4.1.
SETTING TORQUE VALUE
4.1.1.
Hold torque wrench in one hand so that required scale is uppermost and visible.
4.1.2.
Pull the adjusting ring down (fig.1.1) and rotate it.
4.1.3.
Turn the ring clockwise (fig.1.2) to increase the setting and anticlockwise to reduce it.
4.1.4.
When the required value is set, push the ring back up (fig.1.3) to disengage the adjustment mechanism.
4.1.5. To switch from right to left hand operation, push the driving head (fig.1) out of the housing and replace it into the opposite side of the
tool.
4.1.6.
When tightening the nut/bolt you will feel and hear the wrench mechanism click when the set torque is reached. Immediately stop
applying force to the wrench to avoid over-tightening the nut/bolt.
STW803 Issue 2 (2) 13/02/20
Original Language Version
© Jack Sealey Limited
Refer to
instructions
fig.1