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Wayne
Wayne, Journeyman
Category: Medium and Heavy Trucks
Satisfied Customers: 8454
Experience:  worked on, Gmc, Macks, Freight liner,Mercedes Benz,,Ford, sterling
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I need torque specs on yanmar tk486. valve setting,head

Customer Question

i need torque specs on yanmar tk486 . valve setting,head torque,rods & mains
JA: What is the complete model and serial number of your machine?
Customer: thermoKing tk486e ser.# L26776 yanmar model # 4tne 86 etk
JA: Are you fixing this yourself? What have you tried so far?
Customer: engine was dusted. i'm rebuilding bottom to top
JA: Anything else you want the equipment mechanic to know before I connect you?
Customer: not at this time
Submitted: 4 months ago.
Category: Medium and Heavy Trucks
Expert:  Wayne replied 4 months ago.

Hi I'm Wayne

I will help you with this

head bolt torque 43-47 FT lbs

start in the middle and work out ward in circular motion

Rod bolts 27 ft lbs

mains 38-41 ft lbs

valve lash both valves .008

I hope this helped you

Hi. If this helped you,

please remember to rate my answer 3 or more stars.

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NOT THE POOR/BAD SERVICE

Expert:  Wayne replied 4 months ago.

HI

Don't use them specs, I was on wrong page that is for 3.88

I will get the other for you

Expert:  Wayne replied 4 months ago.

here is correct info

rod 32.5-39.8 ft lbs

mains 70.9-73.8

head 62.9-67.3 ft lbs

valve lash in. .006 ex .010

Hi. If this helped you,

please remember to rate my answer 3 or more stars.

If more info is needed, use the reply button -

NOT THE POOR/BAD SERVICE

Expert:  Wayne replied 4 months ago.

HI

Just a follow up with you

did my answer help you

let me know, Please

Wayne

Expert:  Wayne replied 3 months ago.

Hi

I know you don't work for free

Please remember to rate my answer

so I don't work for Free

Wayne

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