Same thing, word for word, in my '81 Westy camper supplement, but in mine it is on page 14.
Now I am jealous, wondering what extra 6 pages of wonderful, useful info has been included in
the '87 manual that is lacking from mine.

Bill in the southwest

----- Original Message -----
From: "Roy Olynick" <rrh@AUTOBAHN.MB.CA>
>
> Page 20 of the '87 Westy Owner's Manual Supplement states (in bold, black
> letters) ..."When the refrigerator is operating, be sure to park on level ground
> to maintain efficient cooling. If the vehicle remains stationary for any length
> of time on gradients exceeding +/-8 degrees, the cooling output will be
> considerably reduced. Should level ground parking be unavailable, it is best to
> discontinue operation to prevent overheating of the core which can lead to
> permanent damage of the refrigerator.".