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1/4” DRIVE BICYCLE TORQUE WRENCH SET
MODEL NO: CHT953
PART NO: 1801953
USER INSTRUCTIONS
ORIGINAL INSTRUCTIONS GC09/24
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INTRODUCTION
Thank you for purchasing this CLARKE Torque Wrench. This torque wrench is
designed to tighten nuts with precision. It should NOT be used for UNDOING nuts, as
severe damage could occur. With correct use, this tool will produce an accuracy of
plus or minus 4%. You can hear and feel when the desired torque setting has been
reached. With careful and considerate use, the wrench will give years of reliable
service.
GUARANTEE
This CLARKE product is guaranteed against faulty manufacture for a period of 12
months from the date of purchase. Please keep your receipt as proof of purchase.
This guarantee is invalid if the product is found to have been abused or tampered
with in any way, or not used for the purpose for which it was intended.
Faulty goods should be returned to their place of purchase, no product can be
returned to us without prior permission.
This guarantee does not effect your statutory rights.
USING YOUR TORQUE WRENCH
TORQUE SETTING/ADJUSTMENT
The main body is marked in Newton Metres (Nm). The barrel is marked with 10
graduations; one graduation = 0.1 Nm.
To set the torque, pull the locking sleeve back and turn the body until the zero mark
on the scale is in line with the next lowest graduation on the linear scale.
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1. Place the square drive on to the socket, perpendicular to the nut/bolt to be
tightened. Smoothly tighten your fastening, applying even pressure throughout
the operation.
2. ALWAYS use the correct size socket for the fastening and NEVER use sockets
that are damaged. Sockets, adaptors and extensions must be robust enough for
exposure to the maximum possible torque.
3. Grasp the torque wrench handle and pull on the wrench with a steady
movements.
4. Check that the wrench operating range is adequate for the anticipated load before
proceeding. DO NOT exceed the maximum rating of the wrench (30Nm or
equivalent units).
5. NEVER use the wrench to undo bolts & nuts which may be excessively tight. Very
tight nuts and bolts should be loosened with a standard wrench and the torque
wrench used only for re-tightening.
6. DO NOT expose the wrench to extreme temperature or humidity or direct for
extended periods.
7. Avoid using universal joints as these could result in inaccurate torque readings.
8. ALWAYS pull the wrench towards you,- DO NOT push the wrench handle.
NEVER use the wrench with wet hands.
CARE OF THE WRENCH DURING USE
Each torque wrench has been lubricated before leaving the factory. If the wrench has
not been used for some time, operate it several times allowing the lubricant to re-coat
the internal working parts.
• After use, keep adjustment at lowest torque setting.
• DO NOT turn handle below lowest torque setting.
• Clean by wiping the tool and the display with a soft cloth. NEVER immerse
it in water or any type of solvent or cleaning fluid. Store in a clean, dry
environment away from excess heat, humidity or dust.
• The wrench has been calibrated at the factory order to ensure accurate
readings and should not require any re-calibration. The original calibration
certificate should be supplied.
1. NEVER exceed the permitted maximum torque value for this wrench. Overloading
the wrench could cause damage.
2. Ensure that associated adaptors, extensions and sockets are rated to equal or
exceed the torque being applied.
3. ALWAYS use the correct size and type of socket for the nut/bolt.
• ALWAYS pull the wrench towards you. NEVER push it away and adjust
your stance to prevent a fall should something give way unexpectedly.
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Parts & Service: 020 8988 7400 / E-mail: [email protected] or [email protected]
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CONVERSION TABLES
Newton Metres
(Nm)
2 1.48 0.203 20.39
3 2.21 0.305 30.59
4 2.95 0.40.78 40.78
5 3.69 0.50.98 50.98
6 4.43 0.61.18 61.18
7 5.16 0.71.38 71.38
8 5.9 0.81.57 81.57
9 6.64 0.91.77 91.77
10 7.38 1.0197 101.97
11 8.11 1.112 112.16
12 8.85 1.122 122.36
13 9.59 1.132 132.56
14 10.33 1.142 142.76
Pound/Foot
(lbf.ft)
Kilogram Metres
(kg/m)
Kilogram-force
Cm
15 11.06 1.152 152.95
16 11.8 1.163 163.15
17 12.54 1.173 173.35
18 13.28 1.183 183.54
19 14.01 1.193 193.74
20 14.75 2.039 203.94
21 15.49 2.141 214.14
22 16.23 2.243 224.33
23 16.96 2.345 234.53
24 17.7 2.447 244.73
CONVERSION FORMULAE
1kg cm = 13.887 oz/in 1Nm = 14.161oz/in
1kg cm = 0.08677 lbf /in 1Nm = 8.8507 lbf/in
1kg/m = 7.233 lbf/ft 1Nm = 0.73756 lb/ft
1kg cm = 0.098 N/m 1kgm = 9.80665 N/m
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Parts & Service: 020 8988 7400 / E-mail: [email protected] or [email protected]
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