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In a garden tractor where does the alluminum and steel push rods

Does the steel push rod go into exhaust or intake?

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Exhaust

Posted on Jun 23, 2009

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Can I use a steel push rod instead of the aluminium one in the intake?


what maker of mower or tractor

where exactly is this push rod being used or needed
on your mower or tractor

aluminum push rod has been designed to be used there for a reason

without more information
using solid steel push rod and "in the intake" in the same place
sounds risky

Oct 10, 2016 | Garden

2 Answers

What are the torques on a 22hp ohv briggs and stratton head and also push rods


VERIFY your engine model numbers
Briggs & Stratton Intek V-Twin
Engine Model Numbers 407777 and 44P777
Cylinders 2 (Dual cylinder)

ITEM N m (Newton metres) lb-in Spark Plug Torque 20 180 Back Plate (to cylinder) 11 100 Blower Housing Screws 9 80 Breather Screws 6 55 Carburetor to Manifold 7 65 Cylinder Head Bolts 25 220 Cylinder Shield 7 65 Crankcase Cover 23 200 Engine Mounting Bolts 48 35 lb-ft Electric Clutch Mounting Bolt 75 55 lb-ft Exhaust Manifold 16 140 Fan Retainer Bolts 16 140 Flywheel Nut 203 150 lb-ft Armature Mounting Screws 3 25 Intake Manifold Bolts 9 80 Rocker Arm Adjustment Lock Nut 7 62 Rocker Support Screws 11.3 100 Valve Cover Cap Screws 11 100 Carburetor to Intake 7 65 Valve Clearance (Cold) 0.10-0.13 mm (0.004-0.005 in)
WARNING: Uneven tightening will warp the head. Tighten Cylinder Head Bolts down evenly by hand. Then using torque wrench tighten in sequence, in 9 N m (80 lb-in) increments to 25 N m (220 lb-in).
Intake valve push rods are aluminum.
Exhaust valve push rods are steel.
DO NOT interchange push rods.

Removal and Re-installation sequence for bolt removal and tightening.

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Mar 21, 2015 | Garden

1 Answer

Craftsman lawn tractor


Hi, had it been sitting some time unused?
Sounds like the valves are stuck in their seats and the rods bent when the motor pushed them with the cam.
You might be lucky and the one that fell in didn't get into the works.
Make sure you fish it out before doing anything else.
I'm guessing it is the typical side valve type motor?
Remove the valve cover (I guess you have already to get the push rod out) and using some sort of lever try and move the valves up against against their springs. Don't bend them with sideways pressure though. If they're stuck some CRC / WD40/oil or similar will help to get them moving. Remove the spark plug and spray CRC etc onto the valve heads inside the cylinder.
Assuming the push rod hasn't contacted anything moving while the motor was being wound over and done more damage, you should be good to go with new push / 2nd hand push rods. Just check there is some clearance between the push rod and the valve stem when each valve is closed.

Oct 09, 2013 | Craftsman Garden

1 Answer

I need to know the over head vave setting for the intake and exhaust on a 17.5hp Briggs & Stratton vertical shaft, single stroke lawn mower.


hi pauly46 here

set piston to tdc compression stroke then run it down the bore a 1/4 inch

set the tappetts to inlet the bottom valve ( alloy push rod ) to a tightish 0.004" and set the
ex valve the top one ( steel push rod ) to 0.005"

setting at 1/4 pst tdc eliminates decompressor from upsetting valve clearance seting


cheers pauly46

Mar 26, 2011 | Briggs & Stratton Garden

1 Answer

Order for push rods 2000 olds 3400 engine


WHEN ORDER PUSH RODS YOUR INTAKE PUSH RODS LENGH 5 3/4 INCHES , THE EXHAUST PUSH RODS LENGTH 6 INCHES. YOU NEED 8 INTAKE PUSH RODS YOU NEED 8 EXHAUST PUSH RODS. YOU CAN GO TO DEALERSHIP BUY OR AUTO PARTS STORES HAVE THEM.

Sep 10, 2010 | 1999 Oldsmobile Alero

1 Answer

I have two rod push for a mower, one metal and the other is aluminum. do u know which goes on and the other goes on bottom


Find the intake valve...the aluminum rod operates the rocker for that valve....the steel rod is toughter of course and can handle the heat from the exhaust valve. If you have the head which valve is which will be evident...the exhaust valve will be near the muffler and sooty of course.

Aug 12, 2010 | Craftsman 17.5 hp 42 in. Deck Lawn Tractor...

1 Answer

Need valve settings for 14.5 ohv briggs


hi

watch inlet valve open and close fully
set engine @ 1/4 past tdc on power stroke
sett inlet @ 0.003 thou and exhaust @ 0.005 thou

inlet valve is the one cloest to the muffler and ex is the other one

inlet has alloy push rod and ex has steel push rod

plug type is rc12yc


cheers hope it helps

here is web site
www.briggsandstratton.com

Aug 01, 2010 | Briggs & Stratton Garden

3 Answers

18 Hp OHV Briggs and Straton craftsman tractor. Has 1 alumium push rod and 1 steel. Alumium keeps bending twice now. Has worked fine for six years


i have about the same engine and mine will not even start, although i've used starting fluid and have spark on the plug still it will not fire up. if the rod is bent will this keep my engine from trying to start(fire) please respond to savannah_316@netzero.com thanks.

Jul 22, 2010 | Craftsman 17.5 hp 42 in. Deck Lawn Tractor...

5 Answers

1 push rod is steel & 1 is alum, which one is exaust?


The intake valve is the lower valve and its push rod is the aluminum one, the exhaust is the upper valve and it has the steel rod, there is no rocket science going on here, the aluminum push rod is used to cut costs.

Apr 29, 2010 | Parks Optical 13.5hp Briggs And Stratton...

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