Operation Manual
70
out to be more convenient and the numbers included in calendar time-based plans are approximate to
those in the corresponding work time-based plans. Carry out maintenance work, no matter what time
is adopted, work time or calendar time, whichever comes first;
3.
It is necessary to shorten time specified in the maintenance cycles table and carry out
maintenance more frequently under the extremely harsh, dusty, wet, or other unfavorable working
conditions;
I.
Routine maintenance items to be performed once every 10 hours or once a day
1.
Check the engine coolant and make sure that the engine has been filled to the full; if the machine
equipped with attached tank, check the coolant level whether in the normal range or not, add coolant
as necessary.
2.
Check the engine oil level of engine and the liquid level of injection pump governor, and ensure
the level stays within the normal operating range, add it as necessary.
3.
Check the hydraulic oil level in the hydraulic oil tank to ensure that the level stays within the
normal operating range, add it as necessary.
4.
Check the oil level of the transmission to ensure that the level stays within the normal operating
range, add it as necessary.
5.
Check the fuel whether it is enough or not, add it if necessary.
6.
Check the air filter of engine whether it is clean or not, replace it if necessary.
7.
Drain all air reservoirs for pneumatic brake machines; but not for hydraulic brake machines;
8.
Add lubricating grease to all articulated points, pin shaft sleeves and other positions according to
the lubrication schematic diagram of the machine;
9.
Check and make sure air pressure of tires is normal and no abnormal wear exists; check all
hydraulic components and hydraulic pipes whether spilled oil or existing abnormal wear.
10. Check and make sure all systems could not spill oil, water and air. Visually inspect and make sure
engine fan and driving belt no loosening or damage.
11. Check the fixed bolts and nuts on the engine, transmission, drive axle, and rims to ensure that no
loosening; inspect the bucket teeth and the knife plate, and replace them as necessary;
12. Check and ensure the start-up performance of the diesel engine, the color of its exhaust, and the
sound of the engine are normal; after observing the machine while it operates for ten minutes, inspect
whether any alarm of abnormal sound or overheating exist or not.
13. Check and make sure the following parts of the machine work normally: dashboard, lighting lamps,
seat belt, reversing alarm system, generator, brake system and steering system. At the same time,
ensure that all switches, quick couplers, operating levers, pedals, operating handles, buttons and
others elements of the machines can be operated normally.
II.
Maintenance items to be performed once every 50 hours or every week
1.
Drain the strainer (oil-water separator) of the engine fuel system;