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1.6.3 Guarantee Condition s for the EPA Emission Standard
The following guarantee conditions are set down in the operation manual. In addition to making sure that
these conditions are met, check for any deterioration that may occur before the required periodic
maintenance times.
(1) Requirement on engine installation condition
(a) Intake air depression
kPa(mmAq)
Initial
Permissible
<= 2.9(300)
<= 6.23 (635)
(b) Exhaust gas back pressure
kPa (mmAq)
Engine type
Initial
Permissible
Naturally aspirated engines
<= 12.7(1300)
<= 15.3(1560)
4IRI8T
<= 9.8(1000)
<= 11.7(1200)
(2) Fuel oil and lubricating oil
(a) Fuel: The diesel fuel oil [ISO 8217 DMA, BS 2869 A1 or A2 (Cetane No.45 min.)]
(b) Lube oil: API grade, class CD or CF
(3) Do not remove the seals restricting injection
quantity and engine speed.