Daedong DSC48 - Page 100

2
-24
Apr. 2007
DSC48
D. CYLINDER
Item Factory specifi cation Allowable limit
Cylinder bore I.D.
φ
87 (0~+ 0.022 ) mm
φ
3.4252 (0~+ 0.022 ) in.
0.15 mm
0.0059 in.
E. VALVE SPRING
Item Factory specifi cation Allowable limit
Free length 41.7 ~ 42.2 mm
1.6417 ~ 1.6614 in.
41.2 mm
1.6220 in.
Assembling load / assembling length 12.0 kgf / 35.15 mm
26.46 lbs / 1.3839 in.
10.2 kgf / 35.15 mm
22.49 lbs / 1.3839 in.
Squareness
-
1.0 mm
0.0394 in.
F. ROCKER ARM
Item Factory specifi cation Allowable limit
Rocker arm shaft O.D. 18.955 ~ 18.980 mm
0.74783 ~ 0.74724 in.
-
Rocker arm bracket I.D. 19.0 ~ 19.035 mm
0.74803 ~ 0.74941 in.
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G. TAPPET
Item Factory specifi cation Allowable limit
Clearance between tappet and guide 0.020 ~ 0.062 mm
0.00079 ~ 0.00244 in.
0.07 mm
0.0028 in.
Tappet O.D. 23.959 ~ 23.980 mm
0.94327 ~ 0.94410 in.
-
Tappet guide I.D. 24.000 ~ 24.021 mm
0.94488 ~ 0.94571 in.
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H. CAMSHAFT
Item Factory specifi cation Allowable limit
Camshaft alignment 0.01 mm 0.0004 in. 0.05 mm 0.0020 in.
Cam height IN. 33.59 mm 1.322 in. 33.54 mm 1.320 in.
EX. 33.69 mm 1.326 in. 33.64 mm 1.324 in.
Clearance between camshaft 0.050 ~ 0.091 mm
0.00197 ~ 0.00358 in.
0.15 mm
0.0059 in.
Camshaft journal O.D. 39.934 ~ 39.950 mm
1.57221 ~ 1.57284 in.
39.88 mm
1.5701 in.
Camshaft counter bore I.D. 40.000 ~ 40.025 mm
1.57480 ~ 1.57579 in.
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