© Feb. 2023
64
TB20J Plus Operation Manual
MAINTENANCE
Table 10-8 Inspection and Preventative Maintenance Schedule(Continued)
Items
Intervals
Before each
delivery
1
or
quarterly
2
Semiannually
3
Annually
4
Note:
1
Before each sale, lease or shipment;
2
In service for 3 months or 250 hours; or out of service for more than 3 months;
3
In service for 6 months or 500 hours;
4
Once a year and no later than 13 months from the date of the prior annual machine inspection;
50
The first inspection work shall be performed after the machine has been in service for 50 hours for the first time.
This only happens once in the service life of the machine;
250
The first inspection work shall be performed after the machine has been in service for 250 hours for the first
time. This only happens once in the service life of the machine;
NO.1
Before the machine is put into service for the first time, or before the first use after the oscillating cylinder or
counterbalance valve is replaced.
Performance code:
1. Check for correct installation (accurate position, firmly installed, tightened according to the specified torque)
2. Visual inspection for damage (cracks, cracked welds, deformation, wear, corrosion, excessive wear, gouges,
abrasions and exposed threads)
3. Check for normal function
4. Return to neutral position or “off” position normally (the self-reset switch can return to neutral position or “off”
position after released)
5. Clean and free of foreign objects
6. Check for correct sealing, leaking and level
7. Labels are complete, clear and secure
8. Check for appropriate tolerances
9. Fully charged
10.Validation/Execution
11. Replace the oil or filter element
12.Correctly lubricate
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