Every 4000 Hours Maintenance; Replace Defined Life Parts; Method For Checking Water Pump; Method For Checking Starting Motor - Komatsu D37EX-24 Operation & Maintenance Manual

MAINTENANCE PROCEDURE
11. Tighten the filter cap (1).
Tightening torque: 20 to 25 Nm {2.0 to 2.5 kgm}

EVERY 4000 HOURS MAINTENANCE

Maintenance for every 50, 250, 500, 1000 and 2000 hours service should be performed at the same time.

REPLACE DEFINED LIFE PARTS

Material quality of these parts can change as time passes and they are likely to wear out or deteriorate.
Replace them every 2 years or every 4000 hours, whichever comes sooner.
DEFINED LIFE PARTS LIST
No.
1 Fuel system
2 Engine lubrication
system
3 Steering system
4 Brake system
5 Torque converter,
transmission system
(including HST)
6 Work equipment hy-
draulic system
7 Others

METHOD FOR CHECKING WATER PUMP

Check around the water pump for water leakage.
If any abnormality is found, ask your Komatsu distributor for repair or replacement of the parts.

METHOD FOR CHECKING STARTING MOTOR

Ask your Komatsu distributor to have the starting motor checked.
If the engine is started frequently, have this inspection performed every 1000 hours.
4-68
Periodical replacement parts
Fuel hose
Engine oil filter hose
High pressure circuit hose
Brake oil pressure hose
Transmission circuit hose (including HST)
Work equipment pump delivery hose
Work equipment pump LS hose
Hose for hydraulic drive fan
External work equipment hose
Blade lift hose
•
Blade tilt hose
•
Blade angle hose
•
Ripper lift hose
•
PPC accumulator
MAINTENANCE
Ask your Komatsu distributor for re-
placement.