Owner`s manual

127
2008 KNIGHT
WATER SYSTEMS — 6
Check for an open or grounded circuit or
motor.
Check for a seized or locked diaphragm
assembly (water frozen).
Water pump will not prime or sputters
(No discharge/motor runs):
Is the pump inlet strainer clogged with
debris?
Is there water in the tank or has air
collected in the water heater?
Is the inlet tubing and plumbing sucking
in air at plumbing connections (vacuum
leak)?
Check for proper voltage with the pump
operating.
Check the pump housing for cracks or
loose drive assembly screws.
Water pump will not shut-off or continues
to run when the faucet is closed:
Check to see if the fresh water/tank ll
valve is completely closed.
Check the output (pressure) side
plumbing for leaks and inspect for a
leaky toilet or valves.
Look for a loose drive assembly or pump
head screws.
Water pump is noisy or rough in operation:
Check for plumbing that may have
vibrated loose.
Does the mounting surface multiply
noise (exible)?
Check for mounting feet that are loose or
compressed too tight.
Look for loose pump head to motor
screws.
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Water pump is rapid cycling:
Look for restrictive water ow in the
faucets or shower heads.
WATER FILTER - FAUCET
The ltration system lters up to 1,000 gallons
between lter changes. Depending on use
change lter cartridge approximately every 6
months (this is about 1,000 gallons) or when
water ow is noticeably reduced. The maximum
pressure for the system is 125 psi and maximum
temperature 100º F.
NOTE
Depending on floor plan, the water filter
can be located in several locations. One
location is an exterior compartment,
typically a curbside compartment.
Another location is behind the water
heater. To locate this water filter open
the compartment next to the water
heater. Once inside this compartment
open the access panel to gain entry to
the back of the water heater.
CAUTION
Protect filter from freezing or damage to
the system could occur.
Filter Removal:
Turn off the water
supply and the water
pump.
Open faucets to
bleed off pressure.
Unscrew the lter bowl using
the bowl wrench.
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Check o-ring for damage and lubricate
if necessary. O-ring should be changed
every third cartridge change to ensure
proper sealing.
Remove the old cartridge and discard.
Empty any remaining water in the bowl.
Filter Installation:
Insert new cartridge into lter bowl.
Screw lter bowl back onto head and
hand tighten securely.
Turn on water pump or city water.
Thoroughly ush and purge air from the
system by opening faucets and running
the water for approximately 20 minutes.
Check for leaks.
To Winterize:
Disconnect the two
water line connections
(normal usage) on
either side of the lter
bowl head.
Connect a bypass hose
to the two water lines.
Unscrew the lter bowl
using the bowl wrench.
Remove the old
cartridge and discard.
Empty any remaining water in the bowl.
Store the lter bowl. DO NOT screw
lter bowl back onto lter head.
Winterize the motorhome.
To De-Winterize:
Disconnect the bypass hose to the two
water lines. Store bypass hose.
Reconnect the two water lines to the
lter bowl head.
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040520c
Water Filter
Removal
Wrench
040520b