TM 5-3810-206-35
Manufacturer's
Maximum
dimensions
Desired clearance
allowable
Component
and tolerance in inches
wear or
clearance
Minimum
Maximum
Minimum
Maximum
Cylinder Block:
Main bearing original base --------------------------------------------------------
3.8155
3.8165
Cylinder Liner:
Inside diameter ---------------------------------------------------------------------
4.500
4.501
----------
------------
0.004
Counterbore in block---------------------------------------------------------------
0.400
0.402
Flange thickness -------------------------------------------------------------------
0.403
0.405
Fan Belt Tension:
Slack at point midway between pulleys------------------------------------------
--------------
0.500
Fuel Injection Equipment:
Fuel injection pump timing (Before top center) ---------------------------------
--------------
11
Fuel injection pump timing dimension setting (off engine)---------------------
--------------
4.2675
----------
------------
0.002
Fuel injection pump timing dimension setting (on engine) with
pistons at top center ------------------------------------------------------------
--------------
4.2255
0.002
Fuel pump plunger length ---------------------------------------------------------
2.5931
2.5937
----------
------------
0.004
Injector nozzle orifice -----------------------------------------------------------
--------------
0.025
Fuel Rack:
Bearing bore ------------------------------------------------------------------------
0.5007
0.5013
----------
------------
0.004
Bearing clearance------------------------------------------------------------------
0.002
0.003
Cam Shaft:
Bearing bore ------------------------------------------------------------------------
1.8750
1.8760
----------
------------
0.007
Bearing clearance------------------------------------------------------------------
0.0015
0.0035
Fuel Transfer Pump:
Clearance between gears and cover, total --------------------------------------
0.0010
0.0022
----------
------------
0.0035
Bearing bore ------------------------------------------------------------------------
0.4950
0.4956
Shaft diameter ----------------------------------------------------------------------
0.4936
0.4938
Bearing clearance------------------------------------------------------------------
0.0012
0.0019
----------
------------
0.003
Governor:
Backlash between drive gear and driven gear ----------------------------------
0.002
0.006
E-Oil Pump:
Clearance between gears and cover, total --------------------------------------
0.002
0.004
Shaft diameter ----------------------------------------------------------------------
0.7404
0.7410
Bearing clearance------------------------------------------------------------------
0.0010
0.0026
----------
------------
0.004
Idler Gear:
Backlash between idler gear and crankshaft gear------------------------------
0.001
0.013
Bearing bore ------------------------------------------------------------------------
1.2505
1.2515
Bearing clearance------------------------------------------------------------------
0.0020
0.0036
----------
------------
0.0065
Drive Gear:
Backlash between drive gear and idler gear ------------------------------------
0.001
0.013
Piston Pins:
Clearance in rod bearing ----------------------------------------------------------
0.009
0.0019
----------
------------
0.004
Maximum clearance in piston-----------------------------------------------------
--------------
------------
----------
------------
0.004
Piston Rings:
Piston ring side clearance:
Top ring---------------------------------------------------------------------------
0.0030
0.0044
----------
------------
0.007
Intermediate ring-----------------------------------------------------------------
0.0025
0.0039
Oil control ring -------------------------------------------------------------------
0.0015
0.0033
Ring Gap (new liner and rings):
Top ring------------------------------------------------------------------------------
0.017
0.023
Intermediate ring--------------------------------------------------------------------
0.018
0.024
Oil control ring ----------------------------------------------------------------------
0.013
0.023
Rocker Arm:
Bearing bore ------------------------------------------------------------------------
0.7260
0.7266
Clearance between shaft and bearing -------------------------------------------
0.0010
0.0026
----------
------------
0.005
Turbocharger:
Clearance between impeller and bearing housing shaft pushed
toward impeller end) ------------------------------------------------------------
0.018
0.022
End clearance ----------------------------------------------------------------------
0.004
0.006
----------
------------
0.008
Bearing diameter (ID) --------------------------------------------------------------
0.6880
0.6883
Bearing diameter (OD) -------------------------------------------------------------
1.0585
0.0590
Maximum allowable bearing clearance-(satisfactory if compressor
wheel and/or turbine wheel bore not rubbed cover or
housing) --------------------------------------------------------------------------
Journal diameter--------------------------------------------------------------------
0.6862
0.6865
Housing bore diameter-------------------------------------------------------------
1.0625
1.0630
Thickness of thrust bearing -------------------------------------------------------
0.225
0.226
1-4
