Filling Water Tank; External Water Connection; Water Pump - GMC Motor Home Operating Manual

Water Tank Filler Cap
FILLING WATER TANK
1 . Remove outside locking cap located inside
the LP gas storage compartment at the right
rear corner of the Motor Home.
2 . When filling from a pressurized water sys-
tem (city water or rural area electric pump
system) insert garden hose into the top of water
fill neck and turn water ON. Capacity of the
water tank is 40 gallons .
3 . When pressurized water system is not
available a pail and funnel may be used .
4. After filling, replace outside filler cap.
NOTE: When tank is full, water will spill from
the water fill neck.
5. Turn on the pump switch. It may be neces-
sary to open both kitchen faucets to clear air
from lines if the water tank has been dry.
EXTERNAL WATER CONNECTION
Connecting to a park or city water supply is
easily accomplished . It is not necessary to drain
the vehicle's water system.
1 . Remove the plastic cap at the hose con-
nection located in the external utilities compart-
ment.
2. Attach garden hose and turn ON external
water supply .
3. When disconnecting hose, be sure to install
plastic cap at hose connection to aid in keeping
dirt out of water lines.
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External Water Connection
Water Pump Switch
WATER PUMP
A 12-volt pressure water pump is used to
operate the water system. The water pump
operates off the vehicle's auxiliary 12-volt bat-
tery. The water pump is activated by a switch
located on the kitchen wall between the sink and
stove. The pump's pressure switch is factory ad-
justed to hold a line pressure from 20 psi to 30
psi . When initially starting the water pump or if