Onan NHE Service Manual

DimensionsKlearances (continued)
Models
Crankshaft Main
Bearing Clearance
Play
Crankshaft End
Cams haft Journal
Diameter
6.5 NHEAND 6.3 NHEL
0.0025-0.0038
(0.064-0.097
mm)
(0.13-0.23 mm)
(34.900-34.912 mm)
0.005-0.009
1.3740-1.3745
Camshaft Bearing
Diameter
Camshaft Bearing
Clearance
Camshaft End Play
1.376-1.377
(34.950-34.976
mm)
0.001 5-0.0030
(0.038-0.076
mrn)
0.0030-0.01 20
(0.076-0.305
mrn)
VALVES AND LIFTERS
Valve Spring Free
Length
Dimensions not in parentheses are
INCHES
1.6620
(42.214 mm)
Valve Spring Compressed
Length
Valve Spring Tension
Open
1.3750
(34.925 mm)
71-79
Ibs
(32-36 kg)
Valve Spring Tension
Closed
38-42 Ibs
(1 7-1 9 kg)
Valve Face Angle
Valve Seat Angle
Valve Stem
Diameter (Intake)
44 degrees
45 degrees
0.3425-0.3430
(8.700-8.712 mm)
Valve Stem
Diameter (Exhaust)
0.341 0-0.341
5
(8.661 -8.674 m m)
Valve Lifter Diameter
Valve Guide
Diameter
Valve Stem Clearance
(Intake)
0.7475-0.7480
(1 8.987-1 8.999 mm)
0.344-0.346
(8.738-8.788
mm)
(0.025-0.064 mm)
0.001 0-0.0025
Valve Stem Clearance
(Exhaust)
0.0025-0.0040
(0.064-0.102 mm)
Valve Lifter Bore
Diameter
0.7505-0.7515
(19.063-19.088 mm)
Redistribution or publication of this document
by any means, is strictly prohibited.
Redistribution or publication of this document
by any means, is strictly prohibited.

Onan NHE Specifications

General

Brand	Onan
Model	NHE
Category	Portable Generator
Language	English