An Impact Driver With a Phillips Bit

Fig.1 Impact kit

By Gary Boutin

Supplies and Tools:
Hammer

Heavy gloves
Impact screwdriver

George wanted a pre-hung door, but before that could be accomplished the garage threshold plate needed to be removed. The new metal door was to long to accommodate the old threshold plate. 

This post shows the seven steps to use an impact driver.

An impact driver is a spring-loaded mechanism that moves a wedge and cam built inside it. When hit by a hammer, the blow causes the internal chuck to turn just a little bit thus moving the screw. To use a manual impact driver please follow the steps below. You need to have good hand strength and be comfortable swinging a hammer with the other hand. It's a one person job, but it can be difficult depending on how badly the screw is stuck.

Step 1: Fig.1 shows a manual impact drivers resemble a fat screwdriver with a chuck at one end and in this job a Phillips bit.
Step 2: Fig.2 shows the safety glasses and heavy gloves needed to protect your hands.

Safety glasses

Fig.2 Gloves

Step 3: Fig.3 shows grasping the impact driver firmly with your dominant hand.

Fig.3 Impact driver
 removing Phillips screw

Step 4: Push downward on the stuck screw, at the same time turn the impact driver counterclockwise to loosen.

Fig.4 Turn as the impact 
driver is hit by the hammer

Step 5: Fig.5 shows the hammer that will hit the top of the impact driver. Sometimes a metal sledge can sometime work better.

Fig.5 Claw hammer

Step 6: Continue hitting the impact driver while applying pressure and turning with your hands until the bolt is loosened.
Step 7: Fig.6 shows the threshold plate has been removed from the cement garage floor.

Fig.6 Threshold plate

How to use a manual impact driver:

• Wear heavy leather gloves to protect your hands.
• Grasp the impact driver firmly with your dominant hand.
• Push downward on the stuck screw, at the same time turn the impact driver counterclockwise to loosen.
• Hit the top of the impact driver with a hammer.
• Continue hitting the impact driver while applying pressure and turning with your hands until the bolt is loosened.

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