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*).
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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.
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Fig. 5
4417B
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