TM 5-2420-230-24-2
Section 6 - Injectors - Group 06
Fuel Lines - Clean and Inspect
B Series Shop Manual
Page 6-19
17 mm, 16 mm
Inspect the rubber seals. Replace any damaged, hard, or
brittle seals.
Service Tip: Lubricating the seals with clean engine oil
will facilitate the installation.
L-373