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Grindrite st600 problems need help

post #1 of 17
Thread Starter 

Hello new here just bought probably the oldest grindrite/skituner st600 ive seen, everything worked in the shop when I first checked it out. the seller then had a "electrician" who I found out was just some guy they knew  unhook it as it was hardwired to the panel I get it home wire it up and nothing the breaker on the inside of the machine it self wont stay on unless I turn the pump on then push the breaker in and I have no power going to the motor at all

 

if any one has a manual or photos of the inside of another st600 please let me know

post #2 of 17

Welcome. Is the machine 220V and 3 Phase? 

post #3 of 17
220 single phase
post #4 of 17

Need a bit more info.  This machine should be 220vac 30a single phase.  It will be marked on the nameplate, if it is missing, the motors will have nameplates.   Right now sounds like it is not getting enough power.  Should be wired to a 30 amp circuit.  

post #5 of 17

Four wires or three?

post #6 of 17
It is 220 vac both name plates are missing i have it hooked to a 30 amp breaker the machine is 3 wire but the motor is 4 the return wire has been chopped
post #7 of 17
http://instagram.com/p/yzqOBTqt2k/ image of the breaker also im on my phone so that's why its showing name as bobj6969
post #8 of 17
Got no power going to the red wire checked with multimeter and nothing on any of the wires on right side
post #9 of 17
Ok. I would reinstall all wires at panel and the terminal block first. Then check the power cable, terminal block and contactor (breaker in machine) for continuity. Sometimes connections can be a bit picky on these machines. Looks like you are on the right track.
post #10 of 17
Ok thanks would you say the breaker in side the machine should stay in all the time because even with out power it won't stay in it just sring loaded and push it back out
post #11 of 17
Quote:
Originally Posted by bobj6969 View Post

Ok thanks would you say the breaker in side the machine should stay in all the time because even with out power it won't stay in it just sring loaded and push it back out

Ya it should.  I would google the breaker part number to know for sure.  Seems wierd it was running, and now its not.  But these breakers go bad regularly.

post #12 of 17

Are you sure it is single phase? Check with the shop you got it from. That breaker says L1, L2, L3 which usually means Line1, Line2, Line3 which would indicate 3 phase. Now that could be a breaker body that is used for many different uses. I guess that the two red wires in L1 and L2 are inputs, where does the white wire in L3 come from or go t

 

Actually 3 phase equipment will run of single phase just not at the rated power due to the fact it is only getting 2/3 the power it would get if connected to 3 phase. Many applications need a static converter which is a charged capacitor and a relay that energize the third leg to start the motor after that it runs on single phase. I ran my 3 phase milling machine that way for 20 years.

post #13 of 17
100% on the single phase
post #14 of 17
Any luck?
post #15 of 17
motor and pump are working bypassed electrical to get them going so I know its not them I was able to find a sticker on the one pS I'm thinking there might be a missing fusehttp://instagram.com/p/y6N61oqt4c/
post #16 of 17
Thread Starter 

ok so got the wireing down a little better pretty bad different electricians did have a clue and guy at homedepot no problem lol but burnt the pump no biggy have an extra trying to find a place to get belts all the local shops don't the size I need ????

post #17 of 17

nice ! - svst has your belts, as well as wintersteiger.  you can source them direct also, "econo" abrasives or something like that

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EpicSki › The Barking Bear Forums › On the Snow (Skiing Forums) › Tuning, Maintenance and Repairs › Grindrite st600 problems need help