ARMY TM 9-6115-673-13&P
AIR FORCE TO 35C2-3-512-1
(2) Soak new pre-filter in clean engine oil (Item 14, Appendix E) and squeeze out ALL
excess oil.
(3) Install pre-filter over filter element. Pre-filter should fit snugly over filter element.
(4) Position filter element with pre-filter and cover on mounting plate.
(5) Install wing nut.
4.12.3 Fuel Injector Replacement.
WARNING
The fuels in this generator set are flammable. Do not smoke or
use open flames when performing maintenance. Do not
service or drain the fuel system while open flames are present.
Flames and explosion could result in severe personal injury or
death. Use a container or cloth to catch any excess fuel to
prevent spilling over engine components. Be sure to properly
dispose of diesel fuel and diesel fuel soaked cloths.
a.
Removal.
(1) Shut down generator set.
(2) Disconnect pressure and return fuel lines from fuel injector (Figure 4-4).
(3) Remove nuts and retainer from cylinder head.
CAUTION
To prevent damage to nozzle tip, wrap fuel injector in a clean
cloth after removal. Do not place unprotected nozzle tip directly
on dirty surface.
(4)
Pull fuel injector straight out of cylinder head, wrap in clean cloth, and remove
spacer and gasket. If gasket (black plastic) remains in cylinder head, use a bolt
(5/16 in. diameter) that will thread into gasket to remove.
b.
Inspection.
(1) Inspect injector for nicks, cracks, scoring, corrosion, and other damage.
(2) Inspect nozzle tip for carbon deposits. Carefully clean deposits from nozzle body
and clean nozzle injection ports with 0.019 in. diameter wire (Item 21, Appendix E).
