Komatsu PC220LC -8 Operation & Maintenance Manual page 176

OPERATION
Check Fuel Level, Add Fuel
When adding fuel, never spill the fuel or let it overflow. It will cause fire.
If any fuel has spilled, wipe it up completely. If fuel has spilled over soil or sand, remove that soil or sand.
Fuel is highly flammable and dangerous. Never bring flames near fuel.
1. Turn the engine starting switch to the ON position and check
the fuel level gauge (1) on the monitor panel for fuel level.
After checking, turn the switch back to the OFF position.
2. If fuel is found to be low, unscrew fuel filler cap (F) on the fuel
tank and add fuel through the filler port until float gauge (G)
comes up to the highest point.
Fuel tank capacity: 400 liters (105.68 US gal)
Position of tip (a) of float gauge (G) when fuel tank is full:
Approx 50 mm (2 in)
3. After adding fuel, push float gauge (G) straight down with fuel
filler cap (F). Be careful not to get float gauge (G) caught in the
tab of fuel filler cap (F), and tighten fuel filler cap (F) securely.
REMARK
If breather hole (3) on the cap is clogged, the pressure in the tank
will drop and fuel will not flow. Clean the hole from time to time.
MACHINE OPERATIONS AND CONTROLS
WARNING
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