4-31. Water Supply Plumbing.
a. Draincock and Faucet.
Inspect draincock and faucet for wear
or damage which could cause leaks.
Replace damaged components as
Drain the water system by opening
the faucet and draincock.
Remove faucet from its fitting with a
Remove waterline from tank, loosen
the two compression nuts above and below the
draincock, and remove the draincock.
Inspect faucet and draincock for
further signs of damage or wear.
Position draincock and tighten the two
compression nuts. Resecure waterline to tank.
Position valve or faucet and secure to
fittings with pipe wrench.
If replacement of a valve or faucet is
necessary, position replacement valve or faucet to
fitting and secure with pipe wrench.
Waterlines and Fittings.
Inspection. Inspect waterlines and
fittings for signs of damage which could cause leaks.
uncoupling line and fitting from tank.
Secure lines and fittings to tank.
If replacement of lines or fitting is
necessary, secure replacement lines or fittings to tank.
Humidifier Water Supply Line.
Inspection. Inspect humidifier water
supply line for any damage which could cause leaks.
Shutoff humidifier water supply by
closing valve located at bottom of water tank. (See fig.
Using a suitable container, drain the
humidifier supply line by opening the humidifier drain
valve. (See fig. 4-20.)
Figure 4-20. Humidifier Assembly (Drain Valve and Water Inlet Valve)