Long 360 Series Service Manual page 52

"ENGINES FITS AND TOLERANCES-360/460" CONT'D.
Size of New Parts and Wear Limits
DESCRIPTION mm
Assembly clearance between rocker arm shaft and
bushings (fitted) .................................. . 0.016. 0.052
Dia. of timing idler gear axle .......................... . 31.975 • 32.000
1.0.
of timing idler gear bushing ....................... . 32.050 . 32.075
Assembly clearance between idler gear axle and bushing .. . 0.050 • 0.100
Thickness of idler gear thrust washer ................... . 1.450 • 1.500
Valve spring specifications:
-free length ....................................... . 66.5
-closed-valve length (6.55
+
7.55 kg
=
14.4
+
16.6 lb
loading) ......................................... . 37.5 ... 38.5
-open-valve length (15.4
+
16.7 kg
=
33.9
+
36.8 lb
loading) ......................................... . 26.8 ... 28.8
-Test length (32 daN
=
71.91 lbs. Test Load) ............ . 40.5. 41.5
-Test length (50.1 daN
=
112.581bs. Test Load) ......... .
30.7. 30.9
Rocker-arm spacing spring specifications:
-free length ....................................... . 59.500
-test length (4.7 · 5.3 daN
=
10.56-11.91 lbs. test load) ... .
44.000
Ill. Power Train
Dia. of standard size pistons, measured at a point 50mm. (1.968 in.)
above the base of the skirt (Figure 42):
-Class A........................................... 94.800 · 94.812
-Class B . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94.812 - 94.824
Max. dia. of standard size pistons, measured at the base of
the skirt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94.894 - 94.918
Running clearance between pistons and cylinder
liners belonging to the same class of tolerance ........ .
Dia. of oversize pistons, measured 50 mm. off skirt:
-0.2 mm. (0.008 in.) ................................. .
-0.4 mm. (0.016 in.) ................................. .
-0.6 mm. (0.020 in.) ................................. .
-0.8 mm. (0.032 in.) ................................. .
Oia. of piston pin:
-standard ..............................•...........
-0.20 mm. (0.008 in.) oversize ......................... .
1.0. of connecting rod small end bushings (fitted):
-standard size .....................................
~
-0.20 mm. (0.008 in.) oversize ......................... .
Assembly clearance between piston pin and small
end bushings ...................................•..
0.0. of connecting rod small end bushings .............. .
Oia. of small end bushing bore locations ................ .
Interference fit between small end bushings and
connecting rod bore ...........••...................
1.0.
of piston bosses:
-standard size ..................•...................
Assembly clearance of piston ring In grooves:
-1st ring .......................................... .
-2nd ring ............................•.............
-3rd ring .......................................... .
Engine· 48
0.188. 0.212
95.000 • 95.012
95.200. 95.212
95.400 • 95.412
95.600. 95.612
31.983. 31.990
32.183 • 32.190
32.005. 32.012
32.205. 32.212
0.015 • 0.029
35.979 • 36.017
35.861 • 35.899
-0.063. -0.140
31.983. 31.990
0.090 • 0.122
0.050 • 0.082
0.040 • 0.075
in.
0.0006 . 0.0020
1.2588 . 1.2598
1.2618. 1.2628
0.0020 . 0.0040
0.0571 . 0.0591
2.6181
1.476 ... 1.516
1.055 ... 1.134
1.5944 . 1.6338
1.2086. 1.2165
2.3425
1.7322
3. 7323 . 3. 7327
3.7327. 3.7332
3.7360. 3.7369
0.0056 . 0.0066
3.7401 . 3.7406
3.7480. 3.7485
3. 7559 . 3. 7563
3. 7634 • 3. 7642
1.2592 • 1.2594
1.2670 . 1.2673
1.2600 • 1.2603
1.2679 • 1.2682
0.0006 . 0.0011
1.4165. 1.4180
1.4125. 1.4140
- 0.0025 • - 0.0055
1.2592 • 1.2594
0.0035 . 0.0048
0.0020 • 0.0032
0.0016. 0.0029
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