Komatsu PC200-8M0 Shop Manual page 50

SEN06112-00
3. Operate the hydraulic cylinder three to four times to the end of its stroke.
a After the completion of repair and when operating the machine which is stored long term, perform the air
bleeding with the same procedure as the one described above.
Precautions at the time of completing work
Refilling of coolant, oil and grease
When the coolant is drained, tighten the drain valve securely, then refill the coolant reservoir with the
q
coolant Komatsu recommends to the specified level. Start the engine to circulate the coolant in the pip-
ing, and add the coolant to the specified level again.
When the hydraulic components are removed and installed, refill the oil reservoir with the oil Komatsu
q
recommends to the specified level. Start the engine to circulate the oil in the piping, and add the oil to
the specified level again.
q If the hydraulic piping or hydraulic equipment is removed, be sure to bleed air from the system after
rebuilding the parts, by referring to "Testing and adjusting".
q Supply the specified amount of grease to the work equipment parts.
Check of installed condition of cylinder heads and manifolds
q Check the cylinder head and intake and exhaust manifold mountings for looseness.
q If any bolt is loose, retighten it.
a For the tightening torques, see the "Disassembly and assembly".
Check of engine piping for damage and looseness
Intake and exhaust
system
Cooling system
Fuel system
Check of KDPF or muffler and exhaust pipe for damage and looseness
Visually check the KDPF or muffler, exhaust pipe and their mounting parts for a crack and damage. If
q
any part is damaged, replace it.
q Check the mounting bolts, nuts, and clamps of the KDPF or muffler, exhaust pipe and their mounting
parts for looseness.
If any part is loosely installed, retighten the bolts.
Check of KDPF or muffler function
q Check the KDPF or the muffler for unusual noise comparing to the noise when they are new.If any
unusual noise is heard, repair KDPF or muffler, referring to "Troubleshooting" and "Disassembly and
assembly".
34
00-200
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 loosely installed or damaged, retighten the bolts or repair the part.
Check the piping for damage, the mounting bolts and nuts for looseness, and the
joints for water leakage.
If any part is loosely installed or damaged, retighten the bolts or repair the part.
Check the piping for damage, the mounting bolts and nuts for looseness, and the
joints for fuel leakage.
If any part is loosely installed or damaged, retighten the bolts or repair the parts.
200 Foreword and general information
Precautions when performing operation
PC200, 200LC, 220, 220LC-8M0