Ground System; Iso Pump Lubrication System Setup; Fluid Supply Connections; Air Supply Connection - Graco REACTOR A-25 Operation

Ground System

The equipment must be grounded to reduce the risk
of static sparking and electric shock. Electric or static
sparking can cause fumes to ignite or explode.
Improper grounding can cause electric shock.
Grounding provides an escape wire for the electric
current.
• Reactor : is grounded through power cord; see page
17.
• Spray gun : connect whip hose ground wire to FTS;
see page 20. Do not disconnect wire or spray with-
out whip hose.
• Fluid supply containers : follow your local code.
• Object being sprayed : follow your local code.
• Solvent pails used when flushing : follow your local
code. Use only metal pails that are conductive.
Place them on a grounded surface. Do no place pail
on a nonconductive surface, such as paper or
cardboard, which interrupts grounding continuity.
• To maintain grounding continuity when flushing or
relieving pressure , hold a metal part of spray gun
firmly to the side of a grounded metal pail, then
trigger gun.
Iso Pump Lubrication System
Setup
Prepare isocyanate pump lubrication system as follows:
1. Lift lubricant reservoir out of bracket and remove
reservoir from cap.
2. Fill reservoir 3/4 full with TSL.
3. Thread reservoir onto cap assembly and place it
into bracket.
The lubrication system is now ready for operation; no
priming is required.
3A1569C

Fluid Supply Connections

Feed pumps are typically used. Siphon feeding is not
recommended. Connect material supply to inlets of
proportioning unit as follows:
1. Connect fluid inlet ball valves (U.X) and y-strainers
(V, Y) to pump inlets.
2. Ensure the A- and B- inlet ball valves (U,X) on pro-
portioning unit are closed.
3. Connect and tighten B- supply hose (J) to 3/4 NPT
swivel fitting (GG) on B- inlet ball valve (U), and to
resin transfer pump.
GG
J
4. Connect and tighten A- supply hose (BB) to 1/2 NPT
swivel fitting (FF) on A- inlet ball valve (X), and to
isocyanate transfer pump. See F

Air Supply Connection

Connect main air supply (F) to air inlet 1/2 in. npt (f)
valve (DD) at air filter (S). Hose fitting requires a 1/2
NPT male fitting.
NOTE: Use a minimum of 3/8 in. ID air line (not sup-
plied) to deliver air supply to proportioning unit. Use 1/2
in. ID hose if over 15 ft long.The main air supply must be
clean and free of oil and contaminants.
DD
F
S
Setup
V
U
ti17571a
. 3, page 12.
IG
ti17572a
19