a small amount of oil passes into the cooler and a lot of oil passes through the bypass valve
The manual is applicable for the following
Wash the filter in Case Filter Element Cleaner
218] Fuel injection system
Massey Ferguson 8650, 8660, 8670, 8680, 8690 Tier 3 Tractor Service Manual Workshop Guide a small amount of oilFormat : PDF SUPPLIED AS DOWNLOADABLE LINK Model: Tractor 8650, 8660, 8670, 8680, 8690 Tier 3 Format PDF Type: Workshop Manual Publication No: 4346266M3 & 4346379M2 Massey Ferguson 8650, 8660, 8670, 8680, 8690 Tier 3 Tractors Workshop Manual 3684 Pages Massey Ferguson 8650, 8660, 8670, 8680, 8690 Tier 3 Tractors Technician Service Repair Manual 318 Pages (Electric and Hydraulic) Massey_Ferguson 8650, 8660, 8670, 8680, 8690 Tier 3 Tractors: Operating