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Onan DJA Series User Manual

Onan DJA Series
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VALVE
INTAKE
(Hardened
Chrome
Alloy
Faced)
Stem Diameter ; .
0.3405 0.3415
Clearance
in Guide
0.0005 0.0025
Seat
Angle 42
0
Valve
Clearance
0.011
VALVE,
EXHAUST
(Hardened
Chrome
Alloy)
Stem Diameter
0.3405 0.3415
Clearance
in Guide
0.0025 0.0045
Seat
Angle 45
0
Valve
Clearance
0.008
VALVE
GUIDE
Length
1-25/32
Outside Diameter 0.4690
0.4695
Cylinder
Block
Bore Diameter
0.467
0.468
Inside Diameter (after reaming)
Exhaust 0.344
0.345
Intake 0.342
0.343
VALVE
SEATS
(Hardened
Chrome
Alloy
Faced)
Valve
Seat
Bore
Diameter 1.361 1.362
Depth
(from
cylinder
head
face)
0.433
0.439
Seat
Outside Diameter 1.364 1.365
Seat
Width
3/64 1/16
Seat
Angle 45°
Available
Oversizes 0.002
,
0.005
,
0.010,
0.025
VALVE
SPRINGS
Free
Length 1-7/8
Length,
Valve Closed 1.528
Load,
Valve Closed 45 lbs. 49 lbs.
Length,
Valve Open 1.214
Load,
Valve Open 83 lbs. 93 lbs.
STARTING
MOTOR
Rotation
Counterclockwise
Pinion
Clearance
to Pinion Stop (solenoid plunger bottomed) 0.070 0.120
Pinion
Rest
Position - Distance
from
pinion
housing mounting face to outer
edge
of
pinion
1-9/32
1-15/32
Armature
End Play 005 .030
Test Specifications
No
Load
10
volts
-
80
amps
5000
rpm
per
Min.
Stall
Torque
4
volts -
420
amps
7.8
ft.
lbs. per
Min.
Brush
Spring Tension 32 - 40oz.
with
new
brushes

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Onan DJA Series Specifications

General IconGeneral
BrandOnan
ModelDJA Series
CategoryEngine
LanguageEnglish

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