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SERVICE DATA / STANDARDS AND LIMITS • BeG ENGINE/GENERATOR!
Component
Specified Value I Standard
inches(mm)
Component
Repair limit
inches(mm)
Specified Value I Standard
inches(mm)
Repair Limit
inches(mm)
CRANKSHAFT, BEARING
PISTON AND CONNECTING ROD
Piston Pin Press-in temperature
. . ..... ",., ...,., ... ,... """", .. " ...ordinary temperature
Crankshaft End Play .......... 0.0020 - 0.0098 (0,05 - 0.25) ..................
Crankshaft Journal 0.0, .. 1.5740 -1.5748 (39.98 - 40.0)
Connecting Rod Center length
................. " ............4.01384,0178 (101.95 -102,05)
Crankshaft Pin 0,0, ........1.4165 -1,4173 (35.98 - 36,00)
Parallelism between Big End and Small End
.. " .. " ... " ............... " .. "" ............0.004 (0,05)
Cylindericity of Journal and Pin
.....................................Less than 0.0002 (0.005)
Connecting Rod Twist...." ................0.004 (0.1)
Concentricity of Journal and Pin
, , .... " .. ".........................Less than 0,0006 (0.015)
Connecting Rod Big End to Crankshaft Side Clearance
.................. "..............0.0039 - 0.0098 (0.10 - 0.25) ..........0.16 (0.4)
Oil Clearance of Journal
, ........ "" ...................0.0008 - 0.0018 (0.021 - 0,045) ......0.0039 (0.1)
Oil Clearance of Pin ........ 0.0009 - 0,0020 (0.022 - 0.052)
Undersize rework dimension of Journal
0.25 U.S.................. 1.5644 - 1.5650 (39.735 - 39.750)
0.50 U.S, ................. 1,5545 - 1.5551 (39.485 - 39,500)
0.75 U.S... " ............1.5447 - 1.54539 (39.235 - 39,250)
Undersize rework of dimension of pin
0.25 U.S, .................1.4069 - 1.4075 (35.735 - 39.750)
0.50 U.S..................1,3970 - 1.3976 (35.485 - 35.500)
0.75 U.S....... ".........1,3872 -1.3878 (35.235 - 35.250)
Engines & Generators
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