SERVICE DATA AND SPECIFICATIONS (S.D.S.) — Inspection and Adjustment (Cont'd)
EM-7025spec tableAll values apply to both CG10DE and CGA3DE engines.
Inspection and Adjustment (Cont'd)
Valve guide
Valve guide — Unit: mm (in) — CG10DE, CGA3DE
Valve guide — Outer diameter
Intake — Standard9.523 - 9.534 (0.3749 - 0.3754)
Intake — Service9.723 - 9.734 (0.3828 - 0.3832)
Exhaust — Standard9.523 - 9.534 (0.3749 - 0.3754)
Exhaust — Service9.723 - 9.734 (0.3828 - 0.3832)
Valve guide — Inner diameter [Finished size]
Intake — Standard5.500 - 5.515 (0.2165 - 0.2171)
Intake — Service5.500 - 5.515 (0.2165 - 0.2171)
Exhaust — Standard5.500 - 5.515 (0.2165 - 0.2171)
Exhaust — Service5.500 - 5.515 (0.2165 - 0.2171)
Cylinder head valve guide hole diameter
Intake — Standard9.470 - 9.485 (0.3729 - 0.3734)
Intake — Service9.680 - 9.695 (0.3811 - 0.3817)
Exhaust — Standard9.470 - 9.485 (0.3729 - 0.3734)
Exhaust — Service9.680 - 9.695 (0.3811 - 0.3817)
Interference fit of valve guide
Intake — Standard0.038 - 0.064 (0.0015 - 0.0025)
Intake — Service0.028 - 0.054 (0.0011 - 0.0021)
Exhaust — Standard0.038 - 0.064 (0.0015 - 0.0025)
Exhaust — Service0.028 - 0.054 (0.0011 - 0.0021)
Stem to guide clearance mm (in)
Intake — Standard0.020 - 0.053 (0.0008 - 0.0021)
Intake — Service0.020 - 0.053 (0.0008 - 0.0021)
Exhaust — Standard0.040 - 0.073 (0.0016 - 0.0029)
Exhaust — Service0.040 - 0.073 (0.0016 - 0.0029)
Valve deflection limit (Dial gauge reading)
Intake — Standard0.2 (0.0079)
Intake — Service0.2 (0.0079)
Exhaust — Standard0.2 (0.0079)
Exhaust — Service0.2 (0.0079)
Valve spring
Valve spring
Engine model
CG10DE, CGA3DECG10DE, CGA3DE
Free height mm (in)
CG10DE, CGA3DE40.0 (1.5748)
Pressure N (kg, lb) at height mm (in) — Standard
CG10DE, CGA3DE370 (37.7, 83) at 23.64 (0.9370)
Pressure N (kg, lb) at height mm (in) — Limit
CG10DE, CGA3DE330.41 (33.7, 74) at 23.64 (0.9370)
Out-of-square mm (in)
CG10DE, CGA3DELess than 1.74 mm (0.0685)
Valve lifter
Valve lifter — Unit: mm (in)
Engine Model
CG10DE, CGA3DECG10DE, CGA3DE
Valve lifter outside diameter
CG10DE, CGA3DE29.960 - 29.975 (1.1795 - 1.1801)
Lifter guide inside diameter
CG10DE, CGA3DE30.00 - 30.021 (1.1811 - 1.1819)
Clearance between lifter and lifter guide
CG10DE, CGA3DE0.025 - 0.061 mm (0.0010 - 0.0024)