Graco 970086 Instructions-Parts List Manual page 11

Flushing the System
Flush the system before initial use to prevent material
contamination.
CAUTION
Flush the system before performing the initial
material loading procedure. The system was fac-
tory-tested using a light soluble oil, a soybean oil, or
other oil as tagged. Flush the system to avoid con-
taminating the material that has been designated for
initial material loading.
To flush the system, perform the following procedure:
1. Select material to be used.
WARNING
Use fluids and solvents that are chemically compat-
ible with the equipment wetted parts. Refer to the
Technical Data sections of all the equipment
manuals. Always read the material manufacturer's
literature before using fluid or solvent in this pump.
Operation
2. Verify that factory-test oil and material are compat-
ible:
a. If substances are compatible, omit following
step b and proceed to step 4.
b. If substances are incompatible, perform re-
maining steps to flush system.
3. Select drum of solvent that dissolves, cleans, and
eliminates factory-test oil from system. If neces-
sary, check with Graco Distributor or material sup-
plier for recommended solvent.
4. Before flushing, be sure entire system and flushing
drums are properly grounded. Refer to System
Grounding, on page 8.
5. Using compatible solvent, perform Starting and
Adjusting System Rams procedure and Starting
and Adjusting the Pump procedure on page 12.
6. Flush solvent through system for 1 to 2 minutes.
7. Remove drum containing solvent.
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