TM 5-3805-281-24-2
UNIT PREVENTIVE MAINTENANCE CHECKS AND SERVICES
FOR HYDRAULIC EXCAVATOR 330LCR
ITEM
INTERVAL
ITEM TO BE INSPECTED
EQUIPMENT IS NOT
NO.
PROCEDURE: DO THE PMCS AND HAVE ITEM
READY/AVAILABLE
REPAIRED, FILLED, OR ADJUSTED AS NEEDED
IF:
38
Annually
Perform Engine Speed Learning Procedure
(1) Stop engine.
(2) Push engine learning switch (C) up to top
position. Make sure that it is in the top
position.
(3) Turn key switch ON. Wait 5 seconds.
(4) Turn key switch OFF. Wait 5 seconds.
(5) Push engine learning switch to middle position.
(6) Check engine speeds.
SPECIFICATIONS
1000 100 rpm
Slow Idle
1200 100 rpm
Auto Idle
1900 100 rpm
E (Economy) Mode
2050 75 rpm
Fast Idle in Standard Mode
NOTE: If engine RPM is not to specifications,
notify direct support maintenance.
39
Annually
Drain Cooling System
Drain and flush cooling system using commercial
products. Replace thermostats and radiator cap, and
refill with new coolant.
A-33
