Sump base won't go on

That spec on the sump screw has been changed by Briggs to 220 in-lbs (18.3 ft-lbs) due leaking sump covers.

Technical Specifications

Model Series3117
Displacement501
Oil Capacity48 oz (1.4 l)
Valve ConfigurationOHV
Flywheel Torque110 lb/ft (149.0 Nm)
Governor Arm Torque40 lb/in (4.5 Nm)
Carb Mount70 lb/in (8.0 Nm)
Plug Gap0.03 in (0.75 mm)
Intake Valve.003-.005 in (.08-.13 mm)
Exhaust Valve.005-.007 in (.13-.18 mm)
Idle Speed1750
Air Gap.010-.014 in (.25-.36 mm)
Flywheel Puller Part19203
Flywheel Holder Part19433
Connecting Rod Torque150 lb/in (17.0 Nm)
Sump Torque220 lb/in (25.0 Nm)
Head Torque250 lb/in (28.0 Nm)
 
Or until you need a Helicoil to repair the stripped threads. So far using the new specs I have only stripped one hole's threads. It takes a 5/16-18 x 0.625 Helicoil to repair.
 
Taryl did a video on this issue. He made sure he lubed the oil seal and did "something" to get the cover to go on the last inch. He said NEVER hammer or use the bolts to lock the cover down. Some good common sense there. There was a trick to it I forgot now. Once he did it the cover fell down proper.

slomo
 
ba_50 said:
My friend showed up and we got it on. We opened up the 2 peg holes a little and it went on


Do you know what the torque should be on the sump bolts?
Click to expand...
Now you have slop in the cover mating flange. Might be looking at future oil seal issues and so on. There was no need to get semi destructive on it. Too late as you already have it on.

slomo
 
ba_50 said:
My friend showed up and we got it on. We opened up the 2 peg holes a little and it went on


Do you know what the torque should be on the sump bolts?
Click to expand...
You "opened up the 2 peg holes", are you talking about where the dowel pins go? How much did you open them up? The dowel pins aligns the sump cover up with the crank , cam, etc. so it don't move out of alignment and or cause it to leak oil, the bolts only hold it together.
 
slomo said:
Now you have slop in the cover mating flange. Might be looking at future oil seal issues and so on. There was no need to get semi destructive on it. Too late as you already have it on.

slomo
Click to expand...
What is the cover mating flange?
 
mower king said:
You "opened up the 2 peg holes", are you talking about where the dowel pins go? How much did you open them up? The dowel pins aligns the sump cover up with the crank , cam, etc. so it don't move out of alignment and or cause it to leak oil, the bolts only hold it together.
Click to expand...
Just a small area on the edge so the dowel pins would go in. Should be ok..
 
You must log in or register to reply here.
Back
Top