1989-Montero · engine 2'6 · страница 5 из 55 · Открыть оригинал PDF ↗
| terns | Standard value | Limit |
|---|---|---|
| tialve | ||
| Valve length mm (in.) | ||
| intake Exhaust | 107.96 (4.2504) 105.86 (4.1677) | |
| Stem O.D. mm (in.) Intake Exhaust | 7.960-7.975 (.3134-.3140) 7.930-7.950 (.3122-.3130) | % |
| Face angle | 45”-45”30 | |
| Thickness of valve head mm (in.) (Margin) | ||
| Intake | 1.2 (047) | 0.7 (028) |
| Exhaust | 2.0 LO791 | 1.5 i.059) |
| Valve stem to valve guide clearance mm (in.) | ||
| Intake | 0.03-0.06 (.OOl Z-.0024) | 0.10 (.0039) |
| Exhaust | 0.05-0.09 (.0020-.0035) | 0.15 (.0059) |
| /alve guide | ||
| Length mm (in.) intake | 47 (1.85) | |
| Exhaust | 52 (2.05) | |
| Service size mm (in.) | 0.05 (002). 0.25 LOlO), 0.50 (.020) Oversize | |
| ialve seat | ||
| Width of seat contact mm (in.) Seat angle | 0.7-I .2 (.028-.047) 45” | |
| /alve spring | ||
| Free length mm (in.) | 49.8(1.961) | 48.8(1.921) |
| Load N (Ibs.) | 329 (73) at installed height | |
| Installed height mm (in.) | 40.4(1.591) | 41.4(1.630) |
| Out of squareness | Less than 2” | 4” ’ |
| let valve | ||
| Length mm (in.) | 92.53 (3.6429) | |
| Stem O.D. mm (in.) | 4.3 t.169) | |
| Seat angle | 45” | |
| Valve clearance-Hot engine mm (in.) | 0.25 (.0098) | |
| Valve clearance-Cold engine (Reference) mm (in.) | 0.17(.0067) | |
| let valve spring | ||
| Free length mm (in.) | 29.60 (1.1654) | |
| Load N (Ibs.) | 35 (7.7) at installed height | |
| Installed height mm (in.) | 21.50 (9465) | |
| Out of squareness | Less than 1.5” | |
| Cylinder block | ||
| Cylinder bore mm (in.) | 91 .I (3.587) | |
| Out-of-roundness and taper of cylinder bore mm (in.) | Less than 0.02 (0008) | |
| Overall height mm (in.) Flatness of gasket surface mm (in.) | 316(12.44) Less than 0.05 (0020) | *-0.2 (-.008) 0.1 (004) |
NOTE
*Limit must be-O.2 (-,008) combined with amount of grinding of cylinder head gasket surface.

