Table 11-5. engine service data (continued), Table 11-5. engine service data (contin ued) – Generac 86640 User Manual
Page 108
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Table 11-5. Engine Service Data (Contin
ued)
^CRANKSHAFT;
Main Journal Diameter
Grade No. 0 ...................... 1.7703-1.7705 Inch
(44.966-44.970mm)
Grade No. 1 ...................... 1.7702-1.7703 Inch
(44.962-44.966mm)
Grade No. 2 ...................... 1.7700-1.7702 Inch
(44.958-44.962mm)
Grade No. 3 ..................... 1.7698-1.7700 Inch
(44.954-44.958mm)
Pin Journal Diameter.. .1.5732-1.5736 inch
(39.96-39.97mm)
Out-of-Round (X-Y) ................. Less than 0.004 Inch
(0.1 mm)
Taper (A-B)............................... 0.0008 inch (0.02mm)
Bend (T.I.R.)............................. Less than 0.0031 Inch
(0.08mm)
Free End Play (Standard) ... 0.0024-0.0087 Inch
(0.06-0.22mm)
Free End Play (Limit)................0.0197 inch (0.50mm)
BEARI^NG CLEARANCE;
Main Bearing Clearance
Standard............................0.0012-0.0020 Inch
Limit.................................. 0.0030 inch (0.075mm)
Connecting Rod Bearing Clearance
Standard............................0.0008-0.0024 Inch
(0.02-0.06mm)
Limit.................................. 0.0047 Inch (0.12mm)
AVAILABLE MAIN BEARINGS;
(with or without oil groove)
Grade No. 0
Thickness.......................... 0.0787-0.0789 inch
(2.000-2.004mm)
Identification Color______ Black
Grade No. 1
Thickness.......................... 0.0788-0.0790 Inch
(2.002-2.006mm)
Identification Color______ Brown
Grade No. 2
Thickness ......................... 0.0789-0.0791 Inch
(2.004-2.008mm)
Identification Color............ Green
Grade No. 3
Thickness ......................... 0.0790-0.0791 inch
((2.006-2.010mm)
Identification Color............ Yellow
Grade No. 4
Thickness .......................... 0.0791-0.0792 Inch
(2.008-2.012mm)
Identification Color............ Blue
Grade No. 5
Thickness ......................... .0.0791-0.0793 Inch
(2.010-2.014mm)
Identification C o l o r . . . . .Pink
Grade No. 6
Thickness ..........................0.0792-0.0794 inch
(2.012-2.016mm)
Identification Color.............Red
MAIN BEARING UNDERSIZE;
Crank Journal Diameter
Standard ........................... 1.7697-1.7705 Inch
(44.95-44.97mm)
Undersize:
0.0098 inch (0.25mm) .. .1.7598-1.7606 Inch
(44.70-44.72mm)
CONNECTING ROD BEARING UNDERSIZE;
Crank Main Journal Diameter
Standard ...........................1.5732-1.5736 Inch
(39.96-39.97mm)
Undersize:
0.0098 Inch (0.25mm) .. .1.5634-1.5638 inch
(39.71-39.72mm)
FLYWEIGHT RUNOUT:
Total Indicator Reading _____ Less than 0.0059 inch
(0.15mm)
ENGINE LUBRICATION SYSTEM;
Oil Pressure
At 1200 rpm.......................28 psi (2 kg/cm^)
At 2000 rpm.......................43 psI (3 kg/cm2)
Oil Pump Clearances
Rotor Tip........................... Less than 0.008 inch
(0.2mm)
Outer Oil Pump Rotor
to Body Clearance.............Less than 0.008 inch
(0.2mm)
Oil Pump Rotor to
Straightedge Clearance .Less than 0.008 inch
(0.2mm)
Page 11-4