Mercury 2.8 Diesel Operation & Maintenance Manual page 23

Section 1 - Getting to Know Your Power Package
Stainless steel fasteners are subject to galling when installed without lubrication. Galling can result in fastener destruction,
improper clamp loads, or both. Galled fasteners may appear to torque properly, but still have incorrect clamp loads.
Apply lubricant 2‑4‑C with PTFE or an equivalent, on the threads of stainless steel fasteners during installation to avoid galling.
Lubricate at least the first 8 mm (1/4 in.) of the threads before installation.
Tube Ref No. Description Where Used Part No.
2-4-C with PTFE Threads of stainless steel fasteners 92-802859A 1
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90-8M0113987 DECEMBER 2015 Page 15
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