Question about Garden
Rebuilding a 186f engine for a generator for elelo school solomon islands.i need to know the cylinder head torque urgently
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Posted on Jan 02, 2017
I found the tech manual one lin but it can"t be opened since deere is updating it.I will see if we have the book"tm1974" at the dealership in the morning and get back to you.
Posted on Oct 28, 2009
SOURCE: Request the cylinder head torque
Here's a link to the head torque specs of all engines. The Yanmar 6HAL DTN should be there as well. Scroll towards the bottom of the page to view the information you need.
Note: Click the + sign in the magnifying glass at the top to enlarge the information. This web page is in PDF format and may take a minute to load on your computer. Be patient.
I hope this helps.
Posted on Jan 25, 2011
pauly 46 here
for your information required see the download of service manual from below
but i have the required settings for you in the mean time cyl hd bolts 35 ft /lbs
and con rod bolt torques 5/16 " use 200 in/lb torque
or if 3/8 bolts use 300 in/lb torques
service manual is 92 pages long but helpfull
cheers hope it hepls
Posted on May 03, 2011
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Since you didn't say which engine you have, I've pulled torque specs for 3 different engines. Also, since I can't include a diagram showing the relative locations of the numbered head-bolt locations, it would be a good idea for you to purchase a vehicle specific repair guide that will show this info.
Take particular note about the TTY (Torque to Yield) bolts used on 2 of the 3 engines shown. It is said that new head bolts MUST BE USED when head is replaced or re-installed to obtain the proper torque.
B2500 4 Cylinder
Torque sequence: --------- ' 10 6 2 4 8
' front ' ' ' 7 3 1 5 9 ' -----------Step 1: torque in sequence to 51
Ft/Lbs Step 2: torque again in sequence to 51 Ft/Lbs Step 3: final
tighten all bolts an additional 90 to 100 degrees recheck final
torque in sequence *** CAUTION ***engine uses Torque To Yield head
bolts (TTY) that permanently stretch during the initial installation.
New head bolts must be used when cylinder head is replaced or
re-installed to obtain proper torque.
B3000 3.0 6 Cylinder
Torque sequence ---------- ' 6 4 2 8 '
' ' ' 5 1 3 7 ' ---------- Step 1: torque to 59 Ft/Lbs Step 2: loosen
in sequence (1) full turn Step 3: torque to 41 Ft/Lbs Step 4: torque
to 73 Ft/Lbs
B4000 4.0 6 Cylinder
Torque sequence --------- ' 5 1 3 7 ' '
' ' 6 4 2 8 ' --------- Step 1: torque cylinder head bolts in
sequence to 26 Ft/Lbs Step 2: torque cylinder head bolts to 56 Ft/Lbs
Step 3: turn cylinder head bolts in sequence an additional 90-degrees
recheck final torque in sequence *** CAUTION ***engine uses Torque To
Yield head bolts (TTY) that permanently stretch during the initial
installation. New head bolts must be used when cylinder head is
replaced or re-installed to obtain proper torque.
Good luck with this job!
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