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Isuzu NKR 4J Series - 4 JB1, 4 JB1 TC, 4 JG2, Oil Filter and Oil Cooler; Lubrication Chart

Isuzu NKR 4J Series
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SERVICE INFORMATION 00 – 29
LUBRICATION CHART
The 4J Series engine lubricating system is a full flow type.
Lubricating oil is pumped from the oil pump to the cylinder body oil gallery through the oil cooler and the oil filter
(replaceable type oil filters have on oil cooler). It is then delivered to the vital parts of the engine from the cylinder
body oil gallery.
4JB1, 4JB1TC, 4JG2, Oil Filter & Oil Cooler
kPa (Kg/cm
2
/psi)
!
Oil filter relief valve opening pressure : 559 - 0618 (5.7 - 6.3/81 - 90)
"
Oil cooler safety valve opening pressure : 314 - 373 (3.2 - 3.8/46 - 54)
#
Oil filter safety valve opening pressure : 78 - 118 (0.8 - 1.2/11 - 19)
$
Oil pressure switch opening pressure : 29.4 - 49.0 (0.3 - 0.5/4.3 - 7.1)
Lubu Chart 5J.tif

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