Engine Size: 1600
Refrigerant Type: r134a
Country of Origin: United States
The clutch on my Sanden 508 doesn't won't engage properly. I rebuilt the system last summer using a brand new Sanden compressor, but re-used the clutch/pulley/armature plate because I wasn't able to source a compressor from ACKits that had the correct pulley. Now, 1 year later the clutch won't engage unless I tap on it after turning the AC on. Once the clutch engages is stays engaged until I turn the AC off again. While engaged, the system works perfectly. So fine, I need a new clutch. Can I re-use the pulley and purchase the rest of the parts new? Any tips on troubleshooting this further? I've reviewed the Sanden Service .pdf and the procedure for replacing the clutch and it seems pretty straight forward. Expert input is appreciated!
Try closing the gap some first. That may be all that it needs.
Do I close the gap by removing 1 (or more) of the shims under the armature, correct? I haven't measured it (feeler guages have disappeared), but the air gap looks to be about .5 - .75 millimeter. Too much?
Right, take the shims out. About 0.5mm is the largest it should be. There's no such thing as too small until it starts to rattle or drag when disengaged.
First tighten the nut on the end-mine was loose on my Sanden 708, and that fixed it.
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