Clarke CHT674 Quick Manual

1/4" SQUARE DRIVE TORQUE WRENCH
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 torque wrench is
±
accurate to 4%. With careful use, the torque wrench will give years of reliable service. If
however, you encounter problems, return the unit to your local CLARKE dealer.

GUARANTEE

This product is guaranteed against faulty manufacture for 12 months from the purchase
date. 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 its intended purpose.
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.
Note: DO NOT use knuckle or universal joints, as these could result in inaccurate torque
settings.

TORQUE SETTING ADJUSTMENT

1. Loosen the lock nut on the bottom of the
torque wrench by turning it anti-clockwise.
2. Set the required torque by turning the
knurled handle.
• Read the scale from the centreline adding
on the number on the knurled handle.
3. Finally, tighten lock nut to secure the
setting.
4. To loosely install or remove nuts without the
torque facility, move the ratchet selection
switch to the required side.
Note: The wrench cannot be used to tension
left-handed threads.

TIGHTENING USING THE TORQUE WRENCH

1. Place the square drive on to the socket or extension bar, perpendicular to the nut/bolt
to be tightened.
2. Gripping the knurled handle with one hand, whilst steadying the square drive end with
the other, gently but firmly, pull the handle (i.e. in a clockwise direction) until a click is
heard and a slight 'break' in the handle is felt. DO NOT turn any further.
IMPORTANT
• Do not jerk the torque wrench in any way to tighten a nut. Apply an even pressure
throughout the operation.
• Release the wrench immediately the click is heard/felt.
• It should be noted that the 'click' from the mechanism becomes weaker with the lower
torque settings.
• Do not turn handle below lowest torque setting.
Model No: CHT674
/ PART NO: 1801674
Centreline
Showing
14 Nm
Knurled
Handle
GC0619-ISS 3