brasco
Member
- 189
- 1
- 16
- Location
- Southeast of Indianapolis, In
The fan on my M923A2 was running all the time and I thought it was a bad shutter stat. I put in a new shutter stat and that was not the problem. (Yes, I know I should have tested it first) I then removed the fan clutch and took it apart yesterday. I found that the thrust cap inside the clutch was only being held in place by one of 8 bolts and it was nearly ready to let go itself. One loose bolt was bouncing around the inside as well as the remaining 6 screw heads that were broken off See pictures! I used vice grips to remove the broken off bolts. In the right hand picture, the threads in the 6 o'clock and 9 o'clock positions are damaged.
Has this happened to anyone else? At first, I thought my entire fan clutch was toast but after cleaning and inspecting, all the bearing seem to be OK. The thrust cap has deep grooves worn into it but it appears that I could actually bolt it back together and it would work with no issues - maybe it would be a little out of balance when the fan runs? I'm also going to price a new one tomorrow. My biggest concern is that 2 out of the 8 threads in the outer house are damaged. I'm thinking about putting helicoil inserts in these two threads and putting it back together. Has anyone done this with these clutches? I'm just looking for past experiences with successes and failures.
Don
Has this happened to anyone else? At first, I thought my entire fan clutch was toast but after cleaning and inspecting, all the bearing seem to be OK. The thrust cap has deep grooves worn into it but it appears that I could actually bolt it back together and it would work with no issues - maybe it would be a little out of balance when the fan runs? I'm also going to price a new one tomorrow. My biggest concern is that 2 out of the 8 threads in the outer house are damaged. I'm thinking about putting helicoil inserts in these two threads and putting it back together. Has anyone done this with these clutches? I'm just looking for past experiences with successes and failures.
Don