Hino S5-LJ05E04A Workshop Manual page 231

EGR COOLER
DISSOLVED CARBON
EGR COOLER
EMISSION CONTROL (J05E)
4. RINSING AFTER CLEANING THE EGR COOLER
(1) After immersing for about 1 hour, pour new detergent (PK-
5300YP) into the EGR cooler. Cover both ends with packing tape,
shake it about 10 times, and then let the inside detergent out.
(Repeat this 2-3 times.)
NOTICE
Dissolved carbon inside the EGR cooler flows out. If carbon stain
cannot be removed easily, use a nylon brush.
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5. DRYING THE EGR COOLER
(1) After all carbon stains are removed by rinsing, blow off water
inside the EGR cooler with an air blower. Dry it for about 10 min-
utes. Shake the body 2-3 times to check if no carbon lump comes
out, and reuse it.
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