Northern Lights M864 — SP13. Injection Pump Removal and Installation
Repair & overhaul · Fuel injection pump
For the Northern Lights M864, from the Northern Lights owner's manual.
Applies to: Northern Lights M864
Before you start
- Never steam clean or pour cold water on an injection pump while the engine is running or the pump is warm.
- Engine warranties become null and void if injection pump seals are broken by unauthorized persons.
Procedure
- Clean the injection pump, hoses, and surrounding area with cleaning solvent or steam cleaner.
- Remove injection lines from pump and injectors as an assembly; cover all ends.
- Remove the plug from the timing case cover and mark the injection pump gear; do not rotate crankshaft after marking.
- Remove the 4 mounting nuts (one on back, three on front).
- Take pump to Northern Lights dealer or injection repair station for testing and service.
- To install, reverse the removal process; ensure the mark on the gear shows through the plug hole.
- Torque mounting bolts to 12-18 ft/lbs (1.7-2.5 k/gm).
Tools required
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Mounting bolts: 12-18 Amazon eBay FridayParts $14.99 ft/lbs (1.7-2.5 k/gm)
Full service-parts list: Northern Lights M864 →
Source: Northern Lights owner'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.