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10.5.5 Visual inspection of the air filter
▶
Carry out an annual visual inspection and replace the air filters as necessary
(see Fig. 5, pos. 5, 8 and 12 on page 48, Fig. 6, pos. 11 on page 49) .
10.5.6 Checking the pressure values
The pressure values need to be checked in case of any changes in drive behavior
(e.g. increased cycle time, end product quality, etc.). Otherwise, semi-annual
inspections are recommended.
Bosch Rexroth recommends documentation of pressure values in the
maintenance documentation.
10.5.7 Hydraulic fluid care
The hydraulic fluid should be analyzed at least annually.
For analyzing the hydraulic fluid, a thorough hydraulic fluid sample must be taken.
The hydraulic fluid sample must be checked in a qualified laboratory according to the
applicable manufacturer's specifications for the hydraulic fluid.
Measures:
Depending on the result, additional measures need to be taken, e.g.:
• Additional filtering measures
• Dehydration
• Replacement
The use of treated and recycled hydraulic fluid (secondary raffinate hydraulic
fluid) is to be avoided.
For hydraulic fluid change, proceed as follows:
▶
Fully drain the hydraulic fluid, see also chapter 11.1 "Preparing for
decommissioning".
▶
In this connection, ensure complete draining of the lines and actuators.
▶
If necessary, carry out bleeding measures.
▶
Fill the system as for initial filling with subsequent bleeding of the hydraulic
system, see chapter 8.1.2 "Filling of the hydraulic power unit".
Maintenance and repair 103/128
CytroBox, RE 51057-B/11.19, Bosch Rexroth AG
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