Checking Refrigerant Level

Check refrigerant level every 200 hours. With controls set at maximum cold and engine at high idle, check sight glass (A).

It is normal to see bubbles at the sight glass when compressor clutch is disengaged. After clutch engages again, bubbles must disappear and sight glass must be clear after 30 seconds of compressor operation.

If bubbles do not disappear, see your John Deere dealer.


A-Sight Glass

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