Dolmar/Makita 6400 barely oiling

[huskyboy]

The end of the oiler screws off and it all comes apart. Keep track of the parts as there is a little spring ect. I lengthened the stroke by grinding the ramp steeper while I was in there to increase output a tad, but I wouldn’t bother if it is staying a 64cc.

 

[huskyboy]

When you take the clutch drum off keep track of the washers and the order they go in. There are several. It’s annoying having to get/make a clutch tool but once you have it... it makes removing it easy with a impact.

 

[mettee]

I have no idea on the socket method, I suppose I need to buy a tool?

Here's the drum.

Drum looks good to me. Once you remove the oil it should work with less slippage.

 

[LittleLebowski]

Would this work? I can also hit Harbore Freight tomorrow and get a spare socket to grind on.

https://rover.ebay.com/rover/0/0/0?mpre=https://www.ebay.com/ulk/itm/223185489344

 

[huskihl]

http://www.ebay.com/itm/142587701583

 

[Wood Doctor]

You did try thinning out the bar oil with a few ounces of mixed fuel, right? And, then, fill the tank to capacity with thinned-out bar oil. Sometimes goop gets clogged in there and blocks the oiling. I've fixed half a dozen chain saws this way that refused to oil the bar. It's usually always worth a try.

 

[huskyboy]

Check the gear to make sure it isn’t stripped either

 

[mettee]

What size socket should he use. Asking for a friend ...

I think I used a 19mm

 

[WKEND LUMBERJAK]

I think I used a 19mm

I made mine out of a 3/4" /19mm I think 7/8 would work better.

 

[LittleLebowski]

Should I be ordering a rebuild kit of some sort?

 

[huskihl]

Should I be ordering a rebuild kit of some sort?

Get a hold of Nate fordf150 and order a pump rebuild kit

 

[mettee]

Should I be ordering a rebuild kit of some sort?

Look on ebay I got a pump for 19 bucks.

But, also talk to Nate, he is my go to guy he provides great service. @fordf150

 

[Woodpecker]

I'll give a shout out for @fordf150 here too. Legit solid service. Nate's a good dood! Pulled a brake flag off one of his floor models for me when he didn't have one in stock. That's above and beyond.

 

[Dub11]

Nate is the MAN!

 

[Wilhelm]

@Wilhelm does this look worn?

Hard to tell with the clutch springs unhooked.
The wings are showing wear, but I am not certain if that is sufficient to cause oiling issues.

The easiest way to remove the clutch is to kick the saw into reverse and hit the chain brake at WOT.

On a serious note, those clutches tend to be really snug, You might want to look into making or purchasing the aforementioned clutch tool.

"tapping" the clutch off didn't work for me on my PS-7300, I'll have to look into making this tool myself to replace the clutch on my PS-7310.

 

[Simondo]

Would this work? I can also hit Harbore Freight tomorrow and get a spare socket to grind on.

https://rover.ebay.com/rover/0/0/0?mpre=https://www.ebay.com/ulk/itm/223185489344

This is the OEM tool for 6400-7910 with part number .

 

[Fishnuts2]

I obtained a 6400 that would not oil enough and found that the small spacer or washer next to the clutch hub was missing, and the large washer under the E clip was wrong. So, the clutch drum was free to move laterally, and would not engage with the oiler drive. It wore the ends of the drive off and stopped the show.
I'm going to check the pump too after reading this thread.
Thanks!

 

[Wood Doctor]

My 6401 might be the best overall saw that I own. I'm not sure what the difference is between OP's 6400 and my 6401 that a good friend and I upgraded with a big bore kit, but it cannot be much different:
Here I have a 32" bar on board. It had no trouble pulling it through big red elm, bucking or noodling. It's a heckuva saw.

 

[LittleLebowski]

Very good data offered here, gents. I look forward to posting the fix when I find it.

 

[LittleLebowski]

Sent a note to @fordf150 about the pump rebuild kit.