Graco 312497F important safety instructions Repair, Section Air purging after

Repair

Repair

General Repair Instructions Purging Air From the System

•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.

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.

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