Table 4. Carrier Engine Repair and Replacement Standards-Continued
Manufacturer's
dimensions and
Desired
Maximum
Maximum
tolerances in
clearance
allowable
allowable
inches
wear
clearance
Min.
Max.
Min.
Max.
CARRIER ENGINE-Continued
Ring thickness:
1st-------------------------------- ------------------------
0.208
0.218
2d and 3d -------------------------------- --------------
0.208
0.218
4th -------------------------------- -----------------------
0.208
0.218
Ring gap clearance:
1st-------------------------------- ------------------------
0.017
0.032
0.060
2d and 3d -------------------------------- --------------
0.017
0.032
0.060
4th -------------------------------- -----------------------
0.017
0.032
0.060
Ring side clearance:
1st-------------------------------- ------------------------
0.0085
0.0065
0.0085
2d and 3d -------------------------------- --------------
0.0025
0.0046
0.0076
4th -------------------------------- -----------------------
0.0015
0.0086
0.0065
Connecting Rods
Length, center-to-center-------------------------------- --
10.498
10.502
Bushing hole dia-------------------------------- ------------
1.987
1.988
Outside dia bushing -------------------------------- -------
1.941
1.943
Bearing hole dia -------------------------------- ------------
69165
.6950
Bearing thickness -------------------------------- ----------
0.0948
0.0958
0.0040
Width at bearing end-------------------------------- ------
2.426
2.428
Side play -------------------------------- ---------------------
0.008
0.010
0.012
Shell thickness-------------------------------- --------------
0.1248
0.1263
0.0020
Crankshaft
Main journal dia -------------------------------- ------------
3.7490
3.7600
0.003
Main journal-to-main bearing clearance --------------
0.0020
0.0030
0.0046
Crankshaft end play -------------------------------- -------
0.005
0.008
0.010
Crankpin din-------------------------------- -----------------
3.4990
3.5000
0.0030
Crankpin-to-rod bearing clearance---------------------
0.0030
0.0040
Camshaft
Camshaft end play-------------------------------- ---------
0.004
0.006
0.008
Bearing journal, dia-------------------------------- --------
2.247
2.248
0.003
Clearance, bearing-to-journals--------------------------
0.015
0.0030
0.0050
Camshaft lift-------------------------------- -----------------
0.374
Cam bushing id-------------------------------- -------------
2.2495
2.2500
0.0030
Tappets
Tappet dia -------------------------------- -------------------
0.6082
0.6087
0.0020
Valve Guides
Length:
Intake-------------------------------- --------------------
3.812
Exhaust -------------------------------- -----------------
4.125
Outside diameter -------------------------------- -----------
0.8765
Inside diameter -------------------------------- -------------
0.4985
0.003
Wear limits max dia -------------------------------- -------
0.5015
Cylinder-head contact face-to-top of guide:
Intake-------------------------------- --------------------
1.531
Exhaust -------------------------------- -----------------
1.500
Rocker A rms
Bushing-------------------------------- -----------------------
0.968
0.969
Clearance from shaft-to-bushing -----------------------
0.0005
0.0015
0.001
AGO 6819A
192