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312497G 7
Repair
General Repair Instructions
• Before performing any repair procedures, relieve
pressure, page 2.
• Pressure test distribution blocks yearly or every
8000 hours. Replace seals and divider valves as
necessary.
Purging Air From the System
Before machine operation is resumed following mainte-
nance or repair, manual system air purging must be per-
formed.
There are several air purging procedures available
depending upon the maintenance or repair procedure.
NOTE: Use only clean oil filtered to the SAE -recom-
mended cleanliness level of ISO 18/14 (ISO Standard
4406) when prefilling a system. The manufacturers of
the machine tool and its component bearings should be
consulted to ensure that the ISO 18/14 cleanliness level
is adequate.
Page Section Air purging after:
8 1 Replacing line between a secondary divider valve and lube point.
9 2 Replacing a line between the master divider valve and a secondary
divider valve.
10 3 Replacing a line between pump and master divider valve.
11 4 Adding or replacing any component in a master divider valve assembly.
12 5 Adding or replacing any component in module in a secondary divider
valve assembly.