OPERATOR'S MANUAL MAINTENANCE

Section 3 - Maintenance
Routine Maintenance
Daily Checking
3-34 3-34
9803/JSM-0412
Daily Checking
It is vital to check certain machine functions and
components daily to ensure that the machine can be
operated safely and efficiently.
1 Prepare the machine.
K Prepare the Machine for
Maintenance ( T 3-29).
2 Visual check. Check the machine for the following:
a Oil, fuel and coolant leakage.
b Broken or loose fasteners.
c Wire breakage, short circuit of cables and terminal
anchorage.
d Oil cleanliness.
e Dust accumulation.
f Structures for damage.
!MWARNING
The cooling system is pressurised when the coolant is
hot. When you remove the cap, hot coolant can spray
out and burn you. Make sure that the engine is cool
before you work on the cooling system.
9-3-3-1_2
g Coolant level check and refilling.
K Engine ( T 3-56).
3 Checking after initial start-up
a Engine oil level is checked automatically. Check
monitor display at start up for possible warning.
b Operation of horn and gauges.
c Ease of engine starting, abnormal noise and
exhaust gas colour.
d Oil, fuel and coolant leakage.
4 Fuel level check and refilling. refer to Operation
Section, Refuelling the Machine.
!MWARNING
Do not remove the hydraulic tank filler cap or cover
plate when the engine is running. The hydraulic
system is under pressure. You or others could be
injured. First stop the engine and then release the
pressure.
8-3-4-4
5 Hydraulic oil level check and refilling.
K Checking
the Fluid Level ( T 3-82), K Topping-up Fluid
Level ( T 3-82).
6 Check the mounting bolts of the fuel and hydraulic oil
tanks for looseness and for fuel and hydraulic oil
leakage.
7 Check the mounting bolts of the electrical parts and
battery terminals for looseness and wire breakage.
8 Crawler.
a Check the shoes for looseness, wear and
breakage. Refer to Introduction Section,
Component Location.
b Check the track motor, upper/lower rollers and
idler wheel for oil leakage and wear. Refer to
Introduction Section, Component Location.
c Check each mounting bolt for looseness and/or
missing bolts.
9 Boom/Dipper
Check the high pressure hoses/joints and the
hydraulic rams for oil leakage.
10 Accumulator - Check charge
a Extend dipper and raise boom.
b Apply engine shutdown.
c Operate boom down function.
d Ensure boom lowers to the ground under its own
weight.
11 Bucket and Linkage.