Welcome to the Coltri forum

[Nuvair]

We look forward to answering questions about Coltri compressor products.

 

[Divejones]

just bought a Coltri Portable MCH 6 run by a petrol engine, when do i change the compressor oil and the engine oil first time (Manual and the seller quote different periods)

 

[scubastevesa]

Hi - the compressor oil is changed after a 5 hour run in period - thereafter every 50 hours ( Coltri synthetic oil CE 750 )
the petrol engine is every 100 hours - normal engine oil 20W 50

 

[scubapty]

Hello. We had a electric MCH 6, when we are suppose to change the engine air filter?

 

[Scuba Caribe]

We have a Coltri MCH 16 mini silent, that keep breaking the plastic filter, do you know why that happens?

 

[rcontrera]

We have a Coltri MCH 16 mini silent, that keep breaking the plastic filter, do you know why that happens?

What usually breaks the plastic tube, besides rough handling, is a difference in pressure between inside and out. Make sure you have removed the cap on the nipple and the plug on the other end.

 

[Aquarius Redang]

Hi everyyone
I just bought a used coltri compressor mch 13/16 without the engine and pulley.
i wondering what the exact original size of the pulley for the engine? Its have cooling fan attached of course.
i have difficulty to find the correct size. i'm afraid if using different size , its will break the compressor soon.
any suggestion for

1. any written original saiz of pulley (vee belt pulley)

** my current vee belt size is A 77, plan to use honda gx 270 petrol engine

thanks again

 

[rcontrera]

In order to get the right pulley, you need to decide if you have the MCH13 or the MCH16 since they operate at different speeds. The MCH13 has an 88mm piston while the MCH16 has a 95mm piston.

 

[Aquarius Redang]

erm..i'm attached the compressor pic for detail.Previous its used motor electric.

 

[Aquarius Redang]

i wondering if i had serial number of the compressor, where do i can check the type of model.
SN :2331 1097 3888