Fuel adjustment (smoke screw) location on LD28 IP

[dieseldude]

Where is the fuel screw location for fuel adjustment on
lD28 Pump. Installed a turbo..could stand a bit more fuel.

[Carimbo]

See exploded diagram:
http://postimg.org/image/rmdi5o9w/ [07Nov2021 ALS: dead link]

Shown mid-upper center, labled "Full load adjusting screw."

Here is a photo of it; looks like it is safety-wired:
(click on image for larger)