4-9.3
Air Venting the Fuel System.
a.
Loosen thumb screw and slide retaining spring off hand primer on fuel pump mounted to base on left
side of engine.
b.
Loosen bleed screw in banjo connector at injection pump.
c.
Hand prime the injection pump until fuel free of bubbles emerges.
d.
Lock primer pump and tighten bleed screw.
e.
Start the engine. If the engine does not run properly, loosen the bleed screw until air is completely
vented from fuel line. Tighten bleed screw.
IMPORTANT
If the engine still does not run properly, loosen injection line at injector, crank engine until fuel
free of bubbles emerges at injector; tighten injection line.
4-9.4
Air Cleaner Service. - The air cleaner is one of the most important parts of the engine from the standpoint of
engine life. An engine consumes several thousand cubic feet of air per hour when operating. If dirty air gets into the
engine, it can wear out a set of piston rings within a few operating hours.
CAUTION
DIRTY AIR can damage engine.
Do not operate engine with dirty air cleaner.
Do not operate engine without air cleaner in
plate.
4-9.5
Electrical System.
4-9.5.1
Cables and Wiring. Check interconnecting wiring and connections for tightness and flaws. Ensure that the
weld output cable connections are clean and tight. Check the insulation for breaks or other signs of damage. Repair or
replace cables or wiring as necessary.
4-9.5.2
Battery.
WARNING
BATTERY ACID can burn eyes and skin and
destroy clothing and other materials. Wear
correct eye and body protection.
a.
Periodically inspect the battery for loose connections, defective cables, corrosion, cracked case or
cover, loose holddowns, and loose or deformed terminal posts.
4-23
