TM 10-4520-259-13&P
4-13. FUEL SUPPLY CONTROL ASSEMBLY. (CONT)
REPAIR
Repair Fuel Supply Control Assembly by replacing any defective components.
INSTALL
a.
Clean all components and fittings with solvent.
NOTE
Apply sealer when joining pipes and fittings.
b.
Install two nipples (18) and snubber (21) in fuel line tee (19) by turning components clockwise.
c.
Install gage (20) into snubber (21) by turning clockwise.
d.
Install control valve (16) onto nipple (18) by turning clockwise.
e.
Install elbow (17) onto control valve (16) by turning clockwise.
f.
Install solenoid valve (22) onto nipple (18) by turning clockwise.
g.
Install elbow (23) into solenoid valve (22).
h.
Insert fuel solenoid valve wires into conduit (10) and install fuel supply control assembly (7) to water
heater skid using two screws (11) and two washers (12). Tighten screws.
i.
Connect conduit (10) to solenoid valve (22).
j.
Connect fuel line (9) to elbow fitting (15), and other end to elbow (23) on fuel supply control assembly
(7).
k.
Connect fuel line (8) to adapter (14) and elbow (17) on fuel supply control assembly (7). Tighten all
couplings.
l.
Replace elbow (6) at bottom of control box (1). Secure with nut (4) to conduit clamps (5).
m. At control box, reconnect black wires (2) to terminal board (3).
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