500 Hour Lubrication And Maintenance Checks - Komatsu 730E Operation & Maintenance Manual

Maintenance - Section 40
Page 40-12

500 HOUR LUBRICATION AND MAINTENANCE CHECKS

Truck Serial Number______________________
Hourmeter_____________
1. FINAL DRIVE CASE BREATHERS - Remove the
breather elements from the motorized wheels. Clean
or replace the elements.
2. HYDRAULIC SYSTEM FILTERS - Replace the tank
breathers and high pressure filter elements. Check
the oil level. Add oil as necessary. Lube Key "B".
3. HYDRAULIC TANK BREATHER - Replace breather.
4. HYDRAIR® SUSPENSION - Check for the proper
piston extension (front and rear). Refer to Section H4
in the service manual for more information on proper
suspension extension and maintenance procedures.
5. THROTTLE AND BRAKE PEDAL - Lubricate the trea-
dle roller and hinge pins with lubricating oil. Lift the
boot from the mounting plate and apply a few drops of
lubricating oil between the mounting plate and
plunger. Use Lube Key "B".
6. HOIST ACTUATOR LINKAGE - Check operation.
Clean, lubricate, and adjust as necessary.
7. PARKING BRAKE - Refer to Section J of the shop
manual, Parking Brake Maintenance. Perform the
recommended inspections.
8. ACCUMULATOR PRE-CHARGE - Check all steering
and brake system accumulator pre-charge pressures.
Refer to shop manual for details.
9 RESERVE ENGINE OIL SYSTEM (IF EQUIPPED)
a. Check electrical system connections for tight-
ness, corrosion and physical damage. Check
the battery, oil pressure switch, junction
boxes, remote control fill box and the circuit
breakers.
b. Examine all electrical cables over their entire
length for possible damage.
c. Examine all hoses, including those on the
reserve tank and the ones leading to and
from the engine. Check for leaks, cracks or
other damage. Check all fittings for tightness,
leakage or damage.
10. WHEEL MOTOR OIL SAMPLING - Refer to the Shop
manual, Section G, for oil sampling information.
Site Unit Number_______________
Name of Service Technician___________________________________
TASK
Lubrication and Service
Date_______________
COMMENTS CHECKED INITIALS
OM4064 06/11