Mitsubishi Fuso CANTER FE85DE6SLGP, Руководство по ремонту

Страница: 93 / 336

11
11-55
Installation procedure
Installation: Connecting rod bearings
CAUTION
• Do not reverse the positions of the lower bearing and the
upper bearing (with oil hole) when installing, as this may
cause seizure in the engine.
Installation: Piston and connecting rod
• Check that the piston ring end gaps are in their correct positions.
A: 1st compression ring gap
B: 2nd compression ring gap
C: Oil ring gap
D: Oil ring expander spring gap
“ ”: Front mark on piston
• Check that the pistons and the cylinder liners have identical size
marks (“A” or “B”).
• Install the pistons in the cylinder liners. Be careful not to scratch
the inner surface of the liner and the crankshaft pins.
• Face the front mark “ ” of the piston toward the front of the en-
gine.
• Using the adjusting bolt of , adjust the inside diameter of
such that it matches the piston’s skirt diameter.
• Remove the tools from the piston and apply engine oil to the fol-
lowing parts before reinstalling the tools around the piston rings:
• Outside surface of piston
• Inside surface of
• Inside surface of cylinder liner