Komatsu Hydraulic Excavator PC27MR-3

Visually check the muffler, exhaust pipe and their mounting parts for a crack and damage

If any part is damaged, replace it

Check the mounting bolts and nuts of the muffler, exhaust pipe and their mounting parts for looseness

If any bolt or nut is loosened, retighten it

Check the piping for damage, the mounting bolts and nuts for looseness, and the joints for air suction and exhaust gas leakage.

If any part is loosened or damaged, retighten or repair it.

Check the piping for damage, the mounting bolts and nuts for looseness, and the joints for coolant leakage.

If any part is loosened or damaged, retighten or repair it.

Check the piping for damage, the mounting bolts and nuts for looseness, and the joints for fuel leakage.

If any part is loosened or damaged, retighten or repair it.;

Engine run to circulate coolant

Coolant level after running engine

Engine oil level after hydraulic equipment installation

Air bled from system after reassembling parts

Refer to Testing and adjusting, “Bleeding air” for details

Cylinder head and intake and exhaust manifold are tight

If any part is loosened, retighten it

Specify the part that was loosened

Refer to “Disassembly and assembly” for the tightening torque

Sign off on the cylinder head check