OIL PUMP CONSTRUCTION [L3 Turbo]SM1934348
OIL PUMP CONSTRUCTION [L3 Turbo]

id0111b4100600

• The oil pump is installed inside the engine front cover. The crankshaft drives the inner rotor through the oil pump chain and oil pump driven sprocket.
• The oil pump component consists of the oil pump body, oil pump driven sprocket, oil pump chain, oil pump chain guide, and oil pump chain tensioner.
• A trochoid gear has been adopted on the oil pump.
• The oil pump consists of the inner and outer rotors, relief valve, and oil pump body.
• The oil pump cannot be disassembled. If there is an oil pump malfunction, replace it as a single unit.
am3uun00001458

Oil pump specification

Item

Engine speed [rpm]

Specification (kPa {kgf/cm2, psi})
Oil discharge pressure (reference value)
[Oil temperature: 100°C {212°F}]
1,500
156—363 {1.59—3.70, 22.7—52.6}
3,000
297—551 {3.03—5.61, 43.1—79.9}

• A bush chain has been adopted for the oil pump chain, improving durability during high-output or high-load operation.
• The engine oil in the engine front cover lubricates the oil pump chain. Wear resistance has been improved by furnace hardening the pins constructing the oil pump chain.
• The teeth of the sintered material in the oil pump driven sprocket have been induction hardened to improve durability.
am3uun00001459

Oil pump chain, oil pump driven sprocket specification

Item

Specification (mm {IN.EN_UK})
Oil pump chain
Pitch size
7 {0.3}
Oil pump driven sprocket
Outer diameter
52 {2.0}
Driven tooth width
3.1 {0.12}