"Here's what I do when they first come in: I don't plug them in or anything. I go through every single [contact] blade - and there's hundreds of blades," Nichols said.
"It's very time-consuming. If you don't check each and every one, there are going to be problems. When I get through overhauling them, 90 percent of the time, [the machine] will work."
"It's very time-consuming. If you don't check each and every one, there are going to be problems. When I get through overhauling them, 90 percent of the time, [the machine] will work."
(David Kamerman / Globe Staff Photo)
!['Here's what I do when they first come in: I don't plug them in or anything. I go through every single [contact] blade - and there's hundreds of blades,' Nichols said. 'It's very time-consuming. If you don't check each and every one, there are going to be problems. When I get through overhauling them, 90 percent of the time, [the machine] will work.' 'Here's what I do when they first come in: I don't plug them in or anything. I go through every single [contact] blade - and there's hundreds of blades,' Nichols said. 'It's very time-consuming. If you don't check each and every one, there are going to be problems. When I get through overhauling them, 90 percent of the time, [the machine] will work.'](http://cache.boston.com/bonzai-fba/Globe_Photo/2007/11/06/1194369959_0868.jpg)

