Shindaiwa 357 Manuel de service télécharger pdf (Page 132)

Section 14 Appendix Tolerances and Wear Limits

Q Shindaiwa Inc. 1995

132

Dimensions: inches (mm) 300 300S 357 360 377 488

Piston Diameter use a micrometer to measure

Standard 1.4157-1.4163 1.4157-1.4163 1.5732-1.5788 1.691-1.692 1.691-1.692 1.691-1.692

(35.96-35-975) (35.96-35-975) (39.96-39.975) (39.96-39.975) (39.96-39.975) (42.95-42.965)

Limit 1.413 (35.9) 1.413 (35.9) 1.453 (36.9) 1.571 (39.9) 1.571 (39.9) 1.688 (42.88)

Piston Pin Bore Diameter (Pin Boss Diameter) use a hole gauge to measure

Standard 0.394 (10)-0.0004 (.01)—Models 300 through 488

Limit

Ring Groove Width use a caliper to measure (remove carbon first)

Standard 0.059 (1.5) +0.001-0.002 (+.03-.06) 0.039 (1.0) +.001-.002 (+.03-.05) .051 (1.3) +.001/.002

(+.03-.06)

Piston/Cylinder Clearance use a thickness gauge to measure

Standard 0.00236-0.0078 (.025-.06)—Models 300 through 377 .00138-.00197

(.035-.050)

Ring/Ring Groove Clearance

Standard 0.0015-0.0035 (.04-.09)—All Models

Limit 0.0079 (.20)—All Models

SHINDAIWA CYLINDERS CAN NOT BE BORED (Replace if deviation is found).

Cylinder Inside Diameter use a telescoping gauge and micrometer to measure

Standard 1.417 (36) 1.417 (36) 1.457 (37) 1.575 (40) 1.575 (40) 1.693 (43)

Limit 1.421 (36.1) 1.421 (36.1) 1.461 (37.1) 1.579 (41.1) 1.579 (41.1) 1.697 (43.1)

Cylinder Out of Round use a telescoping gauge and micrometer to measure

Standard 0.0002 (.005)—All Models

Limit 0.001 (.03)—All Models

Cylinder Taper use a telescoping gauge and micrometer to measure

Standard 0.0004 (.01)—All Models

Limit 0.0020 (.05)—All Models

Compression Standard 140 psi-156—All Models

Piston Ring Width use a caliper to measure

Standard 0.059 (1.5) 0.059 (1.5) 0.059 (1.5) 0.059 (1.5) 0.059 (1.5) 0.0519 (1.3)

Limit 0.054 (1.3) 0.054 (1.3) 0.054 (1.3) 0.054 (1.3) 0.054 (1.3) 0.0468 (1.19)

Piston Ring Thickness use a micrometer to measure

Standard 0.059 (1.5) 0.059 (1.5) 0.059 (1.5) 0.059 (1.5) 0.059 (1.5) 0.063 (1.6)

Limit 0.051 (1.3) 0.051 (1.3) 0.051 (1.3) 0.051 (1.3) 0.051 (1.3) 0.0551 (1.4)

Piston Ring End Gap use a thickness gauge to measure

Standard 0.1-0.3 mm 0.1-0.3 mm 1.6-1.8 mm 1.6-1.8 mm 1.6-1.8 mm 0.1-0.3 mm

Limit 0.7 mm 0.7 mm 2.2 mm 2.2 mm 2.2 mm 0.7 mm

Piston Pin Diameter use a micrometer to measure

Standard 0.3937 (10)—Models 300 through 488

Limit 0.3929 (9.98)—Models 300 through 488

Inside Diameter of Small End of Conecting Rod use a caliper to measure

Standard 0.5512 (14)—Models 300 through 488

Limit 0.5528 (14.04)—Models 300 thrugh 488

Crankshaft Off-Center (runout) use a dial indicator to measure

Standard 0.0007 (0.02)—All Models

Limit 0.0027 (0.07)—All Models

Crankshaft End Play use a thickness gauge to measure

Standard 0.0089-.0138 0.0089-.0138 0.09-.3 mm 0.0089-.0138 0.0089-.0138 0.0012-.0094

Limit 0.1-0.35 mm 0.1-0.35 mm 0.09-.3 mm 0.1-0.35 mm 0.1-0.35 mm 0.03-.24 mm

APPENDIX—TOLERANCES AND WEAR LIMITS

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Shindaiwa 357 Manuel de service Page 132

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