Maintenance Service Data Of Engine General - Mitsubishi S12A2 Service Manual

1. Maintenance Service Data

1.1 Maintenance Service Data of Engine General

Item
Compression pressure
(at rated)
Engine oil pressure
When idling
Inlet
Exhaust
Valve timing
Inlet
Exhaust
Inlet
Valve clearance
(when cold)
Exhaust
Fuel injection timing
Nominal value
Open BTDC 55°
Close ABDC 65°
Open BBDC 65°
Close ATDC 55°
Open BTDC 11°
Close ABDC 21°
Open BBDC 21°
Close BTDC 11°
0.4 mm [0.016 in.]
0.5 mm [0.019 in.]
Chapter 2 SERVICE DATA
Standard value Limit value
2.35 MPa 1.86 Mpa
{24 kgf/cm 2 } {300 kgf/cm
[419 psi] [4267 psi]
0.49 to 0.64 MPa 0.29 Mpa
2
{300 kgf/cm } {300 kgf/cm
[4267 psi] [4267 psi]
0.20 to 0.29 MPa 0.15 Mpa
{300 kgf/cm 2 } {300 kgf/cm
[4267 psi] [4267 psi]
±2°
(crank angle)
Chapter 2 SERVICE DATA
Remarks
Cranking
2 }
(120 to 200 min -1 )
2
}
At oil temperature range
from 90 to 100°C [194 to
212°F]
2 }
At normal valve clearance
(0 mm)
Valve clearance
2 mm [0.08 in.]
Check the caution plate on
No. 1 rocker cover.
2-3