Graco Bulldog 245187 - Manual (Page 11)

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Installation
5. Screw the 3/4 npt street elbow (28*) into the
pump’s fluid outlet. Assemble the nipple (27*),
check valve (29*), coupling (30*), and swivel (50*)
as shown in Fig. 6. The arrow on the check valve
must point down, toward the coupling.
6. Screw an elbow (32*) onto the lower heater’s inlet.
Screw the coupler (63) onto the elbow. Attach the
heater hose (31*) to the coupler. Connect the other
end of the hose to the swivel (50*) coming from
the pump outlet.
7. Screw an elbow (32*) onto the upper heater’s inlet.
Screw the coupler (63) onto the elbow. Attach the
second heater hose (31*) to the coupler. Run this
hose to the left of and behind the lower heater.
See Fig. 4.
8. Install the bushing (62) and a 3/8 npt nipple (33*)
in the lower heater’s outlet. Screw the rigid end of
the union (34*) onto this nipple, and screw the
swivel end of the union onto the free end of the
second heater hose (31*).
9. Screw the bushing (62) and a 3/8 npt nipple (33*)
into the upper heater’s outlet. Screw the fluid filter
(4) inlet onto this nipple. Unscrew the adapter (10)
from the filter outlet. Screw the 1/4 x 3/8 npt nipple
(35*) into the filter outlet, and screw the union (34*)
onto the nipple. See Fig. 6.
WARNING
COMPONENT RUPTURE HAZARD
To reduce the risk of overpressurizing
your system, which could cause compo-
nent rupture and serious injury, never
exceed 90 psi (6 bar, 600 kPa) incoming air pres-
sure to the pump.
10. Install the warning label (51) as shown in Fig. 6.
4417B
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