Graco Trabon MSP Series - Repair and Maintenance; General Repair Instructions; Purge Air From the System

Repair
8 312497ZAB
Repair
General Repair Instructions
• Before performing any repair procedures, follow the
Pressure Relief Procedure, page 4.
• Pressure test distribution blocks yearly or every
8000 hours. Replace seals and divider valves as
necessary.
Purge Air From the System
Before machine operation is resumed following
maintenance or repair, perform manual system air
purging.
There are several air purging procedures, depending
upon the maintenance or repair procedure.
NOTE: Use only clean oil filtered to the
SAE-recommended 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:
9 1 Replacing line between a secondary divider valve and lube point.
10 2 Replacing a line between the master divider valve and a secondary
divider valve.
11 3 Replacing a line between pump and master divider valve.
12 4 Adding or replacing any component in a master divider valve
assembly.
13 5 Adding or replacing any component in module in a secondary divider
valve assembly.