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Onan NHE Service Manual

Onan NHE
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20.
Use the following procedure to remove transformer
from housing:
A.
Remove the braided insulating material from the
transformer primary lead wire (T2-H2 and
T4-
H4)
connections.
6.
Cut off the crimped barrel connectors and
separate the transformer primary leads from the
stator leads.
C. Disconnect the lead wires from the transformer
secondary taps.
D.
Remove the four screws that secure the trans-
former to the stator housing and lift
off
the trans-
former assembly.
.
CAPSCREW,
FLYWHEEL
PULLER
FIGURE
8-7.
STATOR ASSEMBLY
REMOVAL
shown in Figure 8-7.
Use
two
5/16-18
x
1
capscrews
to secure the puller to the housing. Tighten puller
center screw against rotor through-bolt until hous-
ing lifts free
of
rotor and end bearing. Remove puller
when complete.
15.
Carefully
lift
the stator assembly straight up
until
it
clears the rotor.
Careless handling
of
the stator
can damage the insulation
on
the
staior windings,
Do
not
brush the stafor windings
against fhe
mfor
as it
is
lifted clear.
16.
Place a 3/8 inch allen wrench in the head of the rotor
through-bolt. Using a rubber mallet, sharply strike
the allen wrench
so
the through-bolt is driven in a
counterclockwise (viewed from generator end)
direction. Several sharp taps should break loose the
through-bolt.
17. Remove the rotorthrough-bolt and in
its
place install
the tool shown in Figure 8-8. Use a screwdriver to
turn the rotor tool
in
a clockwise direction until it
bottoms. Install a
9/16-12
x
2
capscrew in the end of
the rotor shaft and tighten until rotor breaks loose
from crankshaft. Remove capscrew from end of rotor
when complete.
18. Carefully lift the rotor assembly
off
the end of the
engine crankshaft and remove rotor
tool.
19.
Remove the brush block mounting screws and care-
fully
lift
out the brush block assembly.
The transformer airgap can be
@@!@I
alferedif fhe mounfing bracket
is
removed from the itansformer.
Do
not
loosen
or remove any screws that pass fhrough the
transformer larninafions.
21.
Use the following procedure to remove the stator
from the stator housing.
A.
Remove stator lead wires from the transformer
primary leads and secondary taps as described
in steps
20A
through
20C.
0-1175
FIGURE
8-8.
ROTOR
TOOL
Redistribution or publication of this document
by any means, is strictly prohibited.
Redistribution or publication of this document
by any means, is strictly prohibited.

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Onan NHE Specifications

General IconGeneral
BrandOnan
ModelNHE
CategoryPortable Generator
LanguageEnglish

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