Advertisement
FOREWORD
Precautions when Completing the Operation
1.
Refilling with coolant, oil, and grease
•
If the coolant has been drained:
•
Tighten the drain valve and add coolant to the specified level.
•
Run the engine to circulate the coolant through the system.
•
Check the coolant level again.
•
If the hydraulic equipment has been removed and installed again:
•
Add oil to the specified level.
•
Run the engine to circulate the oil through the system.
•
Check the oil level again.
•
If the piping or hydraulic equipment has been removed, always bleed the air from the system after reassembling the
parts.
★ For details, see WORK EQUIPMENT: Bleeding Air from Hydraulic Circuit in the Testing and Adjusting section.
•
Add the specified amount of grease (molybdenum disulphide grease) to the work equipment parts.
2.
Checking cylinder head and manifolds for looseness
•
Check the cylinder head and intake and exhaust manifold for looseness.
•
If any part is loosened, retighten it.
★ For the tightening torque, see ENGINE AND COOLING SYSTEM: Cylinder Head Assembly in the Disassembly
and Assembly section.
3.
Checking engine piping for damage and looseness
•
Intake and exhaust system
•
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.
•
Cooling system
•
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.
•
Fuel system
•
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.
4.
Checking muffler and exhaust pipe for damage and looseness
•
Visually check the muffler, exhaust pipe, and their mounting parts for cracks or 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.
5.
Checking muffler function
•
Check the muffler for abnormal sound and sound different from that of a new muffler.
•
If any abnormal sound is heard, repair the muffler.
00-26
c
PRECAUTIONS FOR OPERATIONS
00
WA250-6
Advertisement
