MC8 question
 

MC8 question

Started by Oregonconversion, March 27, 2009, 08:43:26 AM

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Oregonconversion

When I opened the top part of my engine where the blowers are there is a dipstick. What is this for and what type of fluid goes into it? It was a no read on he stick so I need to fill it.
1977 MC8
8V92 HT740

Old4103

It's for the blower drive gear box. Look in the manual for the proper stuff to put in it. You may also want to see where it's leaking from, it may be time for an overhaul.

IHTH
Dallas

Oregonconversion

Do you know what goes in it?
1977 MC8
8V92 HT740

Old4103

It should tell you in section 10 of your maintenance manual.

For the MC8 I'm not sure, but for the 96-102's it takes SAE 30

Melbo

Be sure that the vent on top of that gearbox is clear too or when it builds heat and pressure you will have a mess and lose most of your oil.

HTH

YMMV

Melbo
If it won't go FORCE it ---- if it breaks it needed to be replaced anyway
Albuquerque, NM   MC8 L10 Cummins ZF

Beatenbo

Should have a sight glass. Over fill and you'vegot a mess!!!!!!!  I use 90-105 gear oil in my C-3. Had a 8, a9, 2 96A3 used the same.

Fredward

The blower gear box on my MC-5 uses 85-90 as I recall. At least thats what I put in it. Pretty sure the manual calls that out. Real important not to run that sucker low on oil.
Fred
Fred Thomson

Tony LEE

"Should have a sight glass"

Not all. My MC8 has a dipstick.

Oregonconversion

I do not see any glass. it has a straight pipe (just like where you put oil into the engine) with a dip stick when you take the cap off.


It says in my manual to use motor oil here.  So delo 100?
1977 MC8
8V92 HT740

JohnEd

This oil doesn't get dirty so I might make a suggestion:  use full synthetic.  Also, check with the syn mfr and see what he recommends as a replacement weight for Dino grease 90 wt.?  70 may do it cause the stuff doesn't thin like Dino and is a superior lube to begin with.  The cooling system eats 30 or 40 horse power so making that system more efficient will get you MPG.  Might not see it right off but the savings are there.

John
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