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High resistance in heavy current path from battery to starter (likely corr=
osion) to ground
(battery)-->>--(solenoid)-->>--starter-->>--(ground)measure voltage across =
solenoid (could have high resistance contacts when operated)
Jim
connect voltmeter between battery and solenoid, note voltage (should be zer=
o) try start, note voltage (should still be zero), section out heavy curren=
t path accordingly ...
On Sunday, May 22, 2022, 04:35:44 AM PDT, Patrick & Caroline Quinn via =
Healeys <healeys@autox.team.net> wrote: =20
=20
=20
Hello
=C2=A0
A problem to consider.
=C2=A0
Went to turn the engine over in the BN3. An early C-Series six-cylinder. Re=
built about five years back, but seen next to no use.
=C2=A0
Solenoid clicks, but no movement from the engine. Must be the battery so ch=
arged it, but no change.=C2=A0 Tried a brand new battery, but still no move=
ment.
=C2=A0
Out comes the starter and connect it straight to the battery. Whirr away on=
the floor. Perhaps the original Lucas starter is breaking down under load?
=C2=A0
It occurs to me to try and turn the engine over by hand. Gearbox tunnels no=
t fitted so easy to wield a large screwdriver to leaver the flywheel, after=
removing the spark plugs. It moves about six teeth of the ring gear, but n=
o more. It moves back the same in the other direction, but no further. Soon=
lose interest in this manoeuvre.=20
=C2=A0
What=E2=80=99s up? Why won=E2=80=99t the engine turn over? Thinking cap on =
and perhaps it=E2=80=99s something at the top of the engine such as valve g=
ear. Perhaps there is a bent valve?
=C2=A0
Any opinions out there?
=C2=A0
Many thanks
=C2=A0
Patrick Quinn
Blue Mountains, Australia
=C2=A0
=C2=A0
=C2=A0
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<html><head></head><body><div class=3D"ydp65a6404ayahoo-style-wrap" style=
=3D"font-family:Helvetica Neue, Helvetica, Arial, sans-serif;font-size:13px=
;"><div></div>
<div dir=3D"ltr" data-setdir=3D"false">High resistance in heavy cur=
rent path from battery to starter (likely corrosion) to ground<br></div><di=
v dir=3D"ltr" data-setdir=3D"false"><br></div><div dir=3D"ltr" data-setdir=
=3D"false"><br></div><div dir=3D"ltr" data-setdir=3D"false">(battery)-->=
>--(solenoid)-->>--starter-->>--(ground)measure voltage acro=
ss solenoid (could have high resistance contacts when operated)</div><div d=
ir=3D"ltr" data-setdir=3D"false"><br></div><div dir=3D"ltr" data-setdir=3D"=
false">Jim</div><div dir=3D"ltr" data-setdir=3D"false"><br></div><div dir=
=3D"ltr" data-setdir=3D"false"><br></div><div dir=3D"ltr" data-setdir=3D"fa=
lse">connect voltmeter between battery and solenoid, note voltage (should b=
e zero) try start, note voltage (should still be zero), section out heavy c=
urrent path accordingly ...<br></div><div><br></div>
=20
</div><div id=3D"ydp8c107327yahoo_quoted_3764966578" class=3D"ydp8c=
107327yahoo_quoted">
<div style=3D"font-family:'Helvetica Neue', Helvetica, Arial, s=
ans-serif;font-size:13px;color:#26282a;">
=20
<div>
On Sunday, May 22, 2022, 04:35:44 AM PDT, Patrick &=
Caroline Quinn via Healeys <healeys@autox.team.net> wrote:
</div>
<div><br></div>
<div><br></div>
<div><div id=3D"ydp8c107327yiv3792055204"><div><div class=
=3D"ydp8c107327yiv3792055204WordSection1"><p class=3D"ydp8c107327yiv3792055=
204MsoNormal">Hello</p><p class=3D"ydp8c107327yiv3792055204MsoNormal"> &nbs=
p;</p><p class=3D"ydp8c107327yiv3792055204MsoNormal">A problem to consider.=
</p><p class=3D"ydp8c107327yiv3792055204MsoNormal"> </p><p class=3D"y=
dp8c107327yiv3792055204MsoNormal">Went to turn the engine over in the BN3. =
An early C-Series six-cylinder. Rebuilt about five years back, but seen nex=
t to no use.</p><p class=3D"ydp8c107327yiv3792055204MsoNormal"> </p><=
p class=3D"ydp8c107327yiv3792055204MsoNormal">Solenoid clicks, but no movem=
ent from the engine. Must be the battery so charged it, but no change. =
; Tried a brand new battery, but still no movement.</p><p class=3D"ydp8c107=
327yiv3792055204MsoNormal"> </p><p class=3D"ydp8c107327yiv3792055204M=
soNormal">Out comes the starter and connect it straight to the battery. Whi=
rr away on the floor. Perhaps the original Lucas starter is breaking down u=
nder load?</p><p class=3D"ydp8c107327yiv3792055204MsoNormal"> </p><p =
class=3D"ydp8c107327yiv3792055204MsoNormal">It occurs to me to try and turn=
the engine over by hand. Gearbox tunnels not fitted so easy to wield a lar=
ge screwdriver to leaver the flywheel, after removing the spark plugs. It m=
oves about six teeth of the ring gear, but no more. It moves back the same =
in the other direction, but no further. Soon lose interest in this manoeuvr=
e. </p><p class=3D"ydp8c107327yiv3792055204MsoNormal"> </p><p class=
=3D"ydp8c107327yiv3792055204MsoNormal">What=E2=80=99s up? Why won=E2=80=99t=
the engine turn over? Thinking cap on and perhaps it=E2=80=99s something a=
t the top of the engine such as valve gear. Perhaps there is a bent valve?<=
/p><p class=3D"ydp8c107327yiv3792055204MsoNormal"> </p><p class=3D"yd=
p8c107327yiv3792055204MsoNormal">Any opinions out there?</p><p class=3D"ydp=
8c107327yiv3792055204MsoNormal"> </p><p class=3D"ydp8c107327yiv379205=
5204MsoNormal">Many thanks</p><p class=3D"ydp8c107327yiv3792055204MsoNormal=
"> </p><p class=3D"ydp8c107327yiv3792055204MsoNormal">Patrick Quinn</=
p><p class=3D"ydp8c107327yiv3792055204MsoNormal">Blue Mountains, Australia<=
/p><p class=3D"ydp8c107327yiv3792055204MsoNormal"> </p><p class=3D"yd=
p8c107327yiv3792055204MsoNormal"> </p><p class=3D"ydp8c107327yiv37920=
55204MsoNormal"> </p></div><div id=3D"ydp8c107327yiv3792055204DAB4FAD=
8-2DD7-40BB-A1B8-4E2AA1F9FDF2"><br>
<table style=3D"border-top:1px solid #D3D4DE;">
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