32
FIG. 3-2
Carry out 50-hour and 100-hour maintenance.
3.3 OPERATE ENGINE
3.3.1 Daily inspection
1) Electric system
Check whether there are abraded or cracked wire and
slack connector or not, and check whether the light
can be turned on or off normally.
2) Boom, arm, bucket, dozer blade, sheet metal,
track shoe
Check whether there are curving, damaged and lost
parts or not.
3) Fastener
Check whether there are slack or lost parts or not.
4) Fuel system
Drain water and sediment from the fuel tank.
5) Hydraulic
system
Check leakage, hose twist, abrasion between pipe
and hose or other parts.
6) Lubrication
Check the appointed lubrication points listed in the periodic maintenance table.
7) Protection device
Check shield and mud shield.
8) Safety
Keep all people away from machine and remove barrier.
3.3.2 Check diesel engine
Place the machine on a horizontal ground, check the
engine oil level (stop engine, the engine oil will return
to the tank 15 minutes later)
The oil dipstick should be in the range of “MIN” and
“MAX” mark.
3.3.3 Electric device
Check all switches, light indicators, safety warning
FIG. 3-1
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