Tools, Sharpening and Power Machinery - Sanborn Magna-Force Compressor
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rustynut57
04-22-09, 05:34 PM
Hi, everybody, newbie here. I purchased a used Sanborn Magna-Force compressor off craigslist & have a few questions. Model M109C400-20, belt-driven, oil lubed 2 cyl. single-stage aluminum(I think) pump. Very good cond. No owners manual.
#1. What is the best oil to use - single wt. non-det. or synthetic?
#2. How much oil does it hold?
#3. There appears to be oil coming from the head & block mating surface. Should there even be any oil there? The compressor pumps up quick & seems to run well.
#4. The tube from the head to the unloader valve is cracked & leaking(one of the kids threw a toy on top of it & bent the tube. Straightened it & now it leaks) Can this be replaced with copper tubing & compression fittings, or do I need to find the specific replacement?
#1. What is the best oil to use - single wt. non-det. or synthetic?
#2. How much oil does it hold?
#3. There appears to be oil coming from the head & block mating surface. Should there even be any oil there? The compressor pumps up quick & seems to run well.
#4. The tube from the head to the unloader valve is cracked & leaking(one of the kids threw a toy on top of it & bent the tube. Straightened it & now it leaks) Can this be replaced with copper tubing & compression fittings, or do I need to find the specific replacement?
GregH
04-22-09, 05:45 PM
1. 30 weight non-detergent motor oil available at most auto centers
2. Usually to the bottom of the filler opening or by dip stick or sight glass.
3. Should not leak there. Either tighten the bolts or replace the gasket just be careful not to strip the threads because I believe it is an aluminum pump.
4. Yes replace it with copper. Be careful not to kink it when you bend the tubing.
2. Usually to the bottom of the filler opening or by dip stick or sight glass.
3. Should not leak there. Either tighten the bolts or replace the gasket just be careful not to strip the threads because I believe it is an aluminum pump.
4. Yes replace it with copper. Be careful not to kink it when you bend the tubing.
rustynut57
04-24-09, 08:35 PM
Thanks, GregH. I'll get it done this weekend.
Scott Hesson
Cambridge, OH USA
Scott Hesson
Cambridge, OH USA
GBR in WA
04-24-09, 10:07 PM
Greg, is there a difference between the 30 ND and specific compressor oil that is sold? I was told that compressor oil was formulated for maximum use, low drag, etc.
Be safe, G
Be safe, G
GregH
05-18-09, 07:27 AM
G,
I do not know if oil sold specifically as compressor oil will have the same additives as non-detergent.
I do know that it was not long ago that compressor mfrs would recommend either their oil OR 30 weight non-detergent oil as a replacement.
From my experience I know that compressor oil is very important but having serviced many, I also know that very few people actually change oil.
I can't count the number of times I repaired a unit and had a hard time getting the oil out because it was darn thick......and, these repairs had nothing to do with worn bearings.
If you are paying more for branded compressor oil my belief is it would have more to do with feeling good about it rather than compressor life.
Frequency of oil change would do more to extend life.
I do not know if oil sold specifically as compressor oil will have the same additives as non-detergent.
I do know that it was not long ago that compressor mfrs would recommend either their oil OR 30 weight non-detergent oil as a replacement.
From my experience I know that compressor oil is very important but having serviced many, I also know that very few people actually change oil.
I can't count the number of times I repaired a unit and had a hard time getting the oil out because it was darn thick......and, these repairs had nothing to do with worn bearings.
If you are paying more for branded compressor oil my belief is it would have more to do with feeling good about it rather than compressor life.
Frequency of oil change would do more to extend life.