EXPLANATION OF COMPONENTS OPERATION 6. Check that lock lever (B) is securely at the LOCK posi- tion. The lock is engaged if the arrow on lock case (F) matches the position of the arrow on lock lever (B).Check visually. If the arrow on lock case (F) does not match the posi- tion of the arrow on lock lever (B), the lock is not engaged. Repeat the operation in Step 5 to engage the lock. 3-28