1942 - 1947 Chevrolet Shop Manual



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	piece of copper wire around the drill as indicated in Fig. 68. This serves as a safe depth gauge. After drilling to the correct depth, use a screwdriver in the keyhole and turn with pliers. Key Cutting Machine The Briggs and Stratton key cutting machine, Fig. 69, with its code book and complete key cutting instructions, enables any service man to cut keys after a few minutes' practice. Key blanks are inexpensive and require less than five minutes to cut to any given code.	Ignition Lock Case Removal 1. Detach ignition cable from instrument panel. 2. Bend the three lock tangs to remove the lock case, "C", Fig. 70. 3. A new lock case can be slipped into place with the narrow tang engaging the narrow slot, "D", Fig. 70. 4. Bend the lock tangs back securely into place. Glove Compartment Lock Cylinder Removal 1. Remove the lock from the glove compartment door by removing the screw and retainer cup. 2. Place the lock assembly in a vise. Fully depress the steel retainer tumbler and hold it down while inserting the key. Turn the key clockwise until cylinder can be pulled out of the case, "A", Fig. 71.


	Fig. 69-Key-Cutting Machine Complete automotive key codes are furnished with each machine in the form of a loose leaf book. Supplements are issued as new locks and keys are released, thus keeping the code book up to date. Ignition Lock Cylinder Removal 1. Insert key and turn clockwise until the stop is reached. 2. Insert a stiff wire through the hole in the face of the lock cylinder, depress plunger, "A", Fig. 70. 3. Continue to turn the key clockwise until the lock cylinder can be removed, "B", Fig. 70.
		Fig. 71-Removing Glove Compartment Lock Cylinder NOTE—The groove in the key engages the projection on the retainer tumbler to hold it down while the cylinder is being removed, "B", Fig. 71. 3. To insert the cylinder in the case-depress the retainer tumbler with the finger-nail and hold it down while inserting the key in the cylinder, "C", Fig. 71. Push the cylinder into the case, hold thumb against the face of the cylinder and remove the key. Removing the key releases the retainer tumbler and allows it to snap in place thereby locking the cylinder in the case. Rear Compartment Lock Cylinder 1. Unlock and open lid. 2. Remove handle retaining nut on underside of lid. Pull handle out.

	Fig. 70-Removing Ignition Lock Cylinder