DeWalt Klein Tools BAT20-CD Instruction Manual page 19

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OPERATING INSTRUCTIONS
WARNING: To reduce the risk of serious personal injury, place the forward/reverse
button in the lock-off position or turn tool off and disconnect battery pack before
making any adjustments or removing/installing attachments or accessories. An
accidental start-up can cause injury.
WARNING: Use only impact-rated accessories. Non impact-rated accessories may
break and cause a hazardous condition. Inspect accessories prior to use to ensure
that it con tains no cracks.
CAUTION: Ensure fastener and/or system will withstand the level of torque generated
by the tool. Excessive torque may cause breakage and possible personal injury.
1. Place the accessory on the fastener head. Keep the tool pointed straight at the fastener.
2. Press switch to start operation. Release switch to stop operation. Always check
torque with a torque wrench, as the fastening torque is affected by many factors
including the following:
• Voltage: Low voltage, due to a nearly discharged battery, will reduce fastening
torque.
• Accessory size: Failure to use the correct accessory size will cause a reduction in
fastening torque.
• Bolt size: Larger bolt diameters generally require higher fastening torque.
Fastening torque will also vary according to length, grade, and torque coefficient.
• Bolt condition: Ensure that all threads are free of rust and other debris to allow
proper fastening torque.
• Material: The type of material and surface finish of the material will affect
fastening torque.
• Fastening time: Longer fastening time results in increased fastening torque.
Using a longer fastening time than recommended could cause the fasteners to
become over-stressed, stripped or otherwisedamaged.
LIFT RING
The lift ring H is for moving the tool into difficult to reach
areas. Securely fasten lifting device to the ring before
moving the tool. Follow all worksite rules.
WARNING: To reduce the risk of serious personal injury, DO NOT use the lift ring
for tethering or securing the tool to a person or object during use when elevated.
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