I just went through a whole series of installs and "Un-installs" of several
alterantors on my M151A2. It turned out that the two spare, used,
alternators that I had purchased years ago, when I came accross some "great
deals", were both also bad. It took several swaps before I finally spent the
big bucks and purchased a very nicely rebuilt unit from CME in FL. It worked
great.
I have the 60 Amp unit with the three belts. It appears like the M151A2 was
not really designed well for this big alternator because it is extreamly
difficult to get at the two bottom mounting bolts on the alternator. After
changing out the alternator a couple of times, and with several more changes
looking promising for the future, I bit the bullet and made a "special"
wrench for getting at the bottom bolts. All that I did to make this wrench
was to cut a standard wrench in half so that I had enough room to swing the
thing in the limited space. Worked good once I put lots of Never-Seize on
the bolts and nuts.
One very importaint tip! I am a Never-Sieze Nut and put the stuff on
everything. In general it makes life a lot easier the next time that you try
to take the thing apart. The one exception to this rule is the top mounting
bolt on the 60 amp alternator! Boy did I learn a hard lesson here. This
alternator is constructed with a stainless steel wire insert, similar to a
Heli-Coil, in the top mounting hole. If you put Never-Seize on this and on
the bolt that goes into it, and torque it down good and tight, the entire end
of the alternator mounting ear will blow off. It appaers that the
Never-Seize is so "slippery" the all of the force is transmitted into
expanding that stainless steel insert. It does this so well that the thin
mounting ear can not hold back the force and blows off, flying across the
room.
Hope that this helps.
Bill
M151A2
M416
===
To unsubscribe from the mil-veh mailing list, send the single word
UNSUBSCRIBE in the body of a message to <mil-veh-request@skylee.com>.