Onan HGJAB Service Manual

9-18
ITEM
STANDARD
inches (mm)
MAXIMUM
inches (mm)
Crankshaft
Crankpin outer
diameter
1.5337 – 1.5343
(38.956 – 38.970)
1.5315 (38.90)
Journal diameter
D1:
1.77102 – 1.77165
(44.984 – 45.000)
D2:
1.77110 – 1.77154
(44.986 – 44.997)
–––––––
End Play 0.005 – 0.012
(0.127 – 0.305)
Camshaft
Cam height (internal
and external)
1.4213 – 1.4291
(36.1 – 36.3)
1.4154 (35.95)
Journal outer
diameter “D”
DD
0.7861 – 0.7866
(19.967 – 19.980)
0.7854 (19.950)
Valve
Valve stem outer
diameter
Intake
0.2350 – 0.2356
(5.970 – 5.985)
0.2303 (5.85)
Exhaust
0.2346 – 0.2352
(5.960 – 5.975)
0.2303 (5.85)
Clearance between
valve stem and
valve stem guide
Intake
0.0022 – 0.0033
(0.050 – 0.083)
0.0118 (0.30)
Exhaust
0.0024 – 0.0037
(0.060 – 0.093)
0.0118 (0.30)

Onan HGJAB Specifications

General

Fuel Type	Gasoline
Power Output	5500 Watts
Voltage	120/240V
Starting	Electric
Engine Type	OHV
Noise Level	68 dB
Outlet Types	1 x 120/240V 30A Locking