Komatsu 4D98 Series Shop Manual page 49

4. Engine Body
4.1
Introduction
Make preparation as follows before starting engine inspection and service:
(1)
(2)
(3)
Fix the engine on a horizontal base.
Be sure to fix the engine securely to prevent injury or damage to parts due to
falling during the work.
Remove the cooling water hose, fuel oil pipe, wire harness, control wires etc. connecting the
driven machine and engine, and drain cooling water, lubricating oil and fuel.
Clean soil, oil, dust, etc. from the engine by washing with solvent, air, steam, etc. Carefully
operate so as not to let any foreign matter enter the engine.
A/ways wear glasses or other protectors when using compressed air or steam to
prevent any foreign matter from getting in the eyes.
- [ NOTICE ]
l
Any part which is found defective as a result of inspection or any part whose
measured value does not satisfy the standard or limit shall be replaced.
l
Any part predicted to dissatisfy the standard or limit before the next service as
estimated from the state of use should be replaced even when the measured
value then satisfies the standard or limit.
4-1