Clean Radiator/Oil Cooler Cores And Other Cooling System - Hitachi ZW 550-6 Operator's Manual

Clean Radiator/Oil Cooler Cores and Other
Cooling System
--- every 500 hours or when the core is clogged.
d
WARNING: When using compressed air pressure
[less than 0.2 MPa (2 kgf/cm
glasses or goggles.
IMPORTANT: If compressed air with the pressure of
more than 0.2 MPa (2 kgf/cm
with high delivery pressure is used for cleaning,
damage to the radiator/oil cooler fins may result.
Keep the nozzle away from the core surface more
than 500 mm (20 inch).
(Over the Side Cover)
Check and clean engine charge air cooler (1), HVAC
condenser (2), and fuel cooler (3).
(Over the Rear Grille)
d
WARNING: Make sure the fan is not rotating before
opening the rear grill.
Check and clean hydraulic oil cooler (4), radiator (5),
torque converter oil cooler (6), and hydraulic driven fan
(7).
In case dirt or dust sticks to the radiator/oil cooler cores,
clean the radiator/oil cooler cores with compressed air
pressure [less than 0.2 MPa (2 kgf/cm
water to maintain the cooling system performance at a
good level.
MAINTENANCE
, 30 PSI)], wear safety
2
, 30 PSI) or tap water
2
, 30 PSI)] or tap
2
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