GMC Royale - Maintenance Procedures; Exterior and Underbody Care; Automotive System Maintenance; Storage Preparation Procedures

MAINTENANC E
GENERA
L
Recreational vehicle owners are noted for th e
pride they take in the appearance of their units .
Proper maintenance will do more than keep you r
Jimmy motor home looking nice, however . It ca n
help ensure trouble-free operation and maximu m
efficiency of the various appliances and components .
Failure to properly maintain the vehicle or its com-
ponents also may constitute a breach in you r
warranty obligations
. See the various manufacturer' s
manuals for specific maintenance instructions .
EXTERIO R
The acrylic finish on your motor home shoul d
be washed frequently with lukewarm or cold water .
DO NOT use hot water or wash in the direct rays o f
the sun . DO NOT use strong soap or chemical deter -
gents . All cleaning agents should be promptly flushed
from the surface and not allowed to dry on th e
finish . Use a cleaner which has been approved fo r
acrylic finishes to remove oil, road tar, tree sap ,
bird droppings, or other foreign materials fro m
your motor home
.
Your GMC dealer can furnish several polishes an d
cleaners which you can use to help maintain th e
original finish appearance and durability .
Bright metal parts usually need only washin
g
with water to maintain luster . However, chrom e
polish may be used on chrome or stainless steel .
Never use auto or chrome polish on aluminum trim .
A coating of wax is recommended for all brigh
t
metal parts .
UNDERBOD Y
Corrosive materials used for ice and snow remova l
and dust control should not be allowed to accumulat
e
under the body . These materials can result in rustin
g
and deterioration of underbody components . A t
least once each year, preferably after a winter' s
exposure, these corrosive materials should b
e
removed by flushing the underbody with plain water .
AUTOMOTIVE SYSTE
M
See the Chassis and Body Operating Manua l
for details on service and maintenance of the moto
r
home's automotive system . The engine cover can
be removed by pulling back the carpet near th e
cover's base, lifting the bolt rings and removin g
the two bolts . To replace the cover, insert fron t
edge into the retaining lip . Place board on frame an d
fasten both retaining bolts .
CAUTION : The interior engine access cove
r
must be properly sealed to prevent engin e
exhaust from entering the vehicle
. Make certai n
that carpeting or other materials do not interfer
e
with the installation of the access cover .
STORAG E
GENERA
L
You should perform the following procedure s
if you will not be using your unit for an extende d
period .
LP GAS SYSTE M
Close the LP gas Service valve . Extinguish al l
pilots and close all LP gas valves . Light a range burne r
to consume any gas remaining in the lines . Whe
n
the flame burns out, turn the range burner OFF
.
WATER TAN K
Turn ON water pump . Open all water faucets .
Open the water tank drain valve and the hot and col d
water line drain valves . Water line drain valves ar e
inside, near the water tank . Drain the water heater .
When the tank is empty, close all faucets and drai
n
valves .
WATER PUM P
When the water tank is empty, run the water
pump with the intake and the outlet hoses discon-
nected for about 1 minute or until all water i s
expelled . If possible, connect an air hose to one o f
the hose connections and blow air through the pipe s
to clear them of water . Re-connect hoses .
FURNAC E
To shutdown the furnace for storage, turn OF
F
the LP gas valve and the thermostat .
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