EMISSION CONTROL (J05E)
8–3
INSPECTION
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1.
INSPECTION BEFORE SERVICING
Reference: INTAKE (J05E), AIR FLOW SENSOR, REPLACE-
MENT, REMOVING THE AIR FLOW SENSOR (Page 9-35)
(1)
Using the HINO-DX for operation check of the EGR valve on
board. (Refer to the HINO-DX user's manual.)
REPLACEMENT
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REMOVING THE EGR VALVE & COOLER
1.
CAUTIONS
! CAUTION
Perform replacement after cooling to prevent burns. (Turn the
starter key to the "LOCK" position and leave it for more than 30
minutes to cool.)
2.
DRAINING THE COOLANT
Reference: COOLING (J05E), RADIATOR, REPLACEMENT,
REMOVING THE RADIATOR (Page 12-5)
3.
REMOVING THE EGR PIPE
(1)
Remove the engine harness from 2 brackets.
(2)
Unfasten the 3 bolts and nut to remove 2 brackets from the EGR
pipe.
! CAUTION
Do not touch the EGR pipe with bare hands while it is hot immedi-
ately after running.
(3)
Unfasten the 4 bolts and 2 nuts to remove the EGR pipe and 2
gaskets.
BRACKET
BRACKET
ENGINE HARNESS
SHTS021270700002
EGR PIPE
SHTS021270700003