Chapter 4: Maintenance
44 M47-17041-EN
Monthly:
System
• Visually inspect all hoses (exposed and hidden) and around the base of
the frame for signs of oil leakage. Investigate any abnormal or excessive
leakage and correct appropriately.
Frame
• For frames with a J3-style crosshead - Clean the columns; see page
50.
• Extend the hydraulic cylinder at least 150 mm (6 in) and then retract it
the same distance. This will flush and lubricate the piston seal which
extends its life.
HPS
• Check level of oil in reservoir and add oil as necessary. Refer to “Add oil
to reservoir” on page 50.
Biannually
(or once every 1000 hrs.
of operation)
1
:
System
• Inspect the hydraulic hoses; see page 55.
• Inspect the cables; see page 48.
Frame
• Inspect the hydraulic cylinder; see page 48.
• Check operation of lift and lock cylinders of J3-style crosshead;
see page 49.
HPS
• Check the oil cleanliness; see page 50.
•
2
Electronics • Clean the fans; see page 48.
2
:
Annually
(or once every 2000 hrs.
of operation)
1
:
System • Verify/Calibrate system.
HPS
• Change the air breather filter; see page 55.
• For special operating conditions where oil temperature is continuously
between 60 and 80 deg. C (140 and 176 deg. F) - Change the oil; see
page 53.
Biennially
(or once every 4000 hrs.
of operation)
1
:
HPS
• For normal operating conditions where oil temperature is continuously
below 60 deg. C (140 deg. F) - Change the oil; see page 53.
Every 5 years: System
• Replace high pressure hydraulic hoses; see page 56.
Every 7 years: System
• Replace low pressure hydraulic hoses; see page 56.
1. Whichever is soonest.
2. The frequency listed here is only a recommendation. The correct frequency for your system is heavily dependent on the
environmental conditions in which your system is used. Dirty environments may require a more frequent interval, while
clean laboratory conditions could require less. We recommend beginning with the frequency listed here and then adjusting
this frequency as experience dictates.
Table 10. Recommended preventative maintenance schedule. (Continued)
Frequency Component Maintenance Task
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