Mazda 2009 RX-8, Особенности сервиса

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LUBRICATION [13B-MSP]
01-11–5
01-11
Oil pump specification
End Of Sie
SOKYU_NG: METERING OIL PUMP
METERING OIL PUMP CONSTRUCTION/OPERATION [13B-MSP]
id0111e4661100
Construction
!
An electric metering oil pump system has been adopted to optimally control the oil injection amount for effective
oil supply and lower oil consumption.
!
The electric metering oil pump consists of the metering oil pumps No.1 and No.2, center oil nozzles, side oil
nozzles, oil control valve (OCV), oil pressure sensor, metering oil pump driver, PCM, oil hoses, and oil tubes.
Component parts and function
Item Engine speed [rpm]
Specification (kPa {kgf/cm
2
, psi})
Oil discharge pressure (reference value)
[Oil temperature: 100
$
C {212
$
F}]
1,500 280 {2.86, 40.6}
3,000 500 {5.10, 72.5}
Relief valve opening pressure (reference value) 1,080 {11.01, 156.6}
Part name Function
Metering oil pump No.1 Supplies oil to the center oil nozzles
Metering oil pump No.2 Supplies oil to the side oil nozzles
Center oil nozzle Discharges oil to the center area of the rotor housing
Side oil nozzle Discharges oil to the side surface of the side housing
OCV
Based on the signals from the PCM, adjusts the amount of oil supplied to the metering
oil pump so that the oil pressure in the metering oil pump is kept constant.
(See 01-11-9 OIL CONTROL VALVE (OCV) CONSTRUCTION/OPERATION [13B-
MSP].)
Oil pressure sensor
Detects oil pressure in the metering oil pump and inputs to the PCM
(See 01-40-29 OIL PRESSURE SENSOR CONSTRUCTION/OPERATION [13B-
MSP].)
Metering oil pump driver
Supplies battery voltage to the metering oil pump based on the signals from the PCM
(See 01-40-29 METERING OIL PUMP DRIVER CONSTRUCTION/OPERATION [13B-
MSP].)
PCM
Controls the metering oil pump driver and OCV to realize the optimum oil discharge
amount according to engine operation conditions
(See 01-40-20 METERING OIL PUMP CONTROL OUTLINE [13B-MSP].) (See 01-40-
21 OIL PRESSURE CONTROL OUTLINE [13B-MSP].)
OIL
PRESSURE
SENSOR
TO OIL FILLER
PIPE
METERING OIL PUMP NO.1
METERING OIL PUMP NO.2
FRONT
METERING OIL PUMP DRIVER
PCM
SIDE OIL NOZZLE
OCV
SIDE OIL
NOZZLE
CENTER OIL
NOZZLE
OIL FLOW
FROM OIL
PUMP
OIL HOSE
OIL TUBE
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