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Periodic maintenance
FIG 4-3
Carry out all recommended maintenance in this manual.
Check work calculagraph (hour meter) usually
Determine when the machine needs periodic maintenance according to calculagraph
①
.
The intervals in the periodic maintenance list are based on the normal condition. If operate
excavator in bad conditions, the intervals should be shorten.
⚫
Use recommended fuel, hydraulic oil and lubricant.
⚫
Only use original SUNWARD parts.
⚫
If user doesn
’
t use recommended fuel, hydraulic oil, lubricant and original SUNWARD
parts, the warranty will automatically be invalid.
⚫
Never adjust engine rev limiter or hydraulic system safety valve.
⚫
Avoid electric parts touching water and vapor.
⚫
Never disassemble engine pump controller, sensor, etc.