Operation; Startup - Graco HFRL Setup And Operation Manual

Operation

Startup

Do not operate HFR without all covers and shrouds in
place.
1. Use feed pumps to load fluid.
NOTE: The HFR is tested with oil at the factory. Flush
out the oil with a compatible solvent before dispensing.
See Flushing on page 40.
a. Check that all machine connections are setup.
See Setup procedure, page 30.
b. Verify both feed supply systems and the HFR
are connected to an air supply.
c. Verify the machine is ON.
d. If applicable, check that inlet screens are clean
before daily startup, see page 45.
NOTE: There are no inlet screens on systems equipped
with fluid pressure regulators.
e. If equipped, grease pumps if using moisture
sensitive materials, See Grease Cup Mainte-
nance Page 49.
f. Turn both PRESSURE RELIEF/DISPENSE
valves (SA, SB) to DISPENSE
SA
g. Start feed pumps.
3A2175Z
h. Open fluid inlet valves (FV), if equipped. Check
for leaks.
Keep Components A (Red) and B (Blue) Separate
Cross-contamination can result in cured material in
fluid lines which could cause serious injury or damage
equipment. To prevent cross-contamination of the
equipment's wetted parts, never interchange compo-
nent A (Red) and component B (Blue) parts.
i. Prime material regulators with fluid. Refer to
Adjusting Material Inlet Pressure Using the
Material Regulator on page 41.
j. Use feed pumps to load system.
k. Hold MD2 valve nose piece, without a mixer
installed, over two grounded waste containers.
Leave mixer off and trigger gun until both fluids
flow freely from the nose piece without any air.
.
l. To prime the pump, cycle the pump a few times
or until air-free fluid dispenses.
SB
ti9877a1
Operation
FV
ti10002a1
37