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Discussion Starter · #1 ·
Does anyone know the size socket required to remove the block heater from a JD 5093E? The heater element nut is 1&1/4", but the inner part screwed in to the block is larger.
 

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Howdy whitleyw5, welcome to the forum.

Measure across the "flats" of the nut to determine the wrench size. See dimension "K" on diagram below:

Triangle Font Symmetry Parallel Circle


Fastener terminology of hex nuts:
d: Nominal thread diameter
k: Wrench size (width across flats)
h: Thickness
e: Width across corners
 

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Registered
Joined
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3 Posts
Discussion Starter · #3 ·
Howdy whitleyw5, welcome to the forum.

Measure across the "flats" of the nut to determine the wrench size. See dimension "K" on diagram below:

View attachment 75329

Fastener terminology of hex nuts:
d: Nominal thread diameter
k: Wrench size (width across flats)
h: Thickness
e: Width across corners
Thanks. I’ve finally gotten out with a lot of main strength and awkwardness!! It finally took two channel locks and a lot of busted knuckles. JD should be ashamed of their design. The inner nut is so close to protrusions from the block there is no way a socket or wrench can be used. Hope I never have to do that again!! BW
 
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