Northern Lights M1064H / M1066H — Bleeding the Fuel System
Maintenance
For the Northern Lights M1064H / M1066H, from the Northern Lights operator's manual.
Applies to: Northern Lights M1064H, Northern Lights M1066H, John Deere Powertech Tier II 4045 engine, John Deere Powertech Tier II 6068 engine
Before you start
- Do not crack any fuel lines to bleed the fuel system on four-valve cylinder head engines.
Procedure
- On fuel filter base, loosen air bleed vent screw by hand two full turns.
- Operate fuel supply pump primer lever or primer button until fuel flows out of bleed vent screw.
- Tighten bleed vent screw securely.
- Continue operating primer until pumping action is no longer felt.
- If engine does not start, repeat steps 1-4.
Full service-parts list: Northern Lights M1064H →, Northern Lights M1066H →
Source: Northern Lights operator's manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.