Isuzu A-4JB1 Repair Manual

LUBRICATING SYSTEM
110
MAIN DATA AND SPECIFICATIONS
Item A-4JA1·A-4JB1
Oil pump type Trochoid
Delivery volume Lit(qts)/min. 17.5 (18.4)
Pump speed 1000
Delivery pressure kgf/cm
2
(psi/kPa) 4.0 (56.89/392.0)
Oil temperature °C(°F) 47 – 53 (116.6 – 127.4)
Engine oil SAE 30
Oil filter type Full flow with cartridge paper element
Relief valve opening kgf/cm
2
(psi/kPa) 4.3 – 4.7 (61.14 – 66.83/421.4 – 460.6)
pressure
Safety valve opening kgf/cm
2
(psi/kPa) 0.8 – 1.2 (11.38 – 17.07/78.9 – 117.6)
pressure
Oil cooler type (if so equipped) Water-cooled
Safety valve opening kgf/cm
2
(psi/kPa) 2.3 – 2.7 (32.70 – 38.40/225.4 – 264.6)
pressure

Isuzu A-4JB1 Specifications

General

Brand	Isuzu
Model	A-4JB1
Category	Engine
Language	English