Usage:
(1) Center line of the precombustion chamber that is at a right angle to the center line of the crankshaft.
(2) Center line of the precombustion chamber that is parallel to the center line of the crankshaft.
(3) Center line of the crankshaft.
Put 9M3710 Anti-Seize Compound on the threads of the precombustion chamber.
NOTE: Put 1P6442 Gasket, with "4D" on it, on the precombustion chamber. Install the precombustion chamber in the cylinder head and tighten the precombustion chamber to 200 lb.ft. (27.7 mkg). If the opening for the glow plug is not in the "A range", remove the precombustion chamber and 1P6442 Gasket. If the opening for the glow plug was in the "B range" use 1P6441 Gasket with "4J" on it. If the opening for the glow plug was in the "C range" use 5H2579 Gasket with "4 C" on it. Install the precombustion chamber in the cylinder head with the correct gasket and tighten the precombustion chamber to 200 lb.ft. (27.7 mkg).