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Bobby and Jim, (info to all others)
1966 Safari 22' Waste Tank Dimensions
l----------------------------- 50 1/4"
----------------------------l
l
17 1/2"
__
l__________________________________________
l l
l
12
1/4" l
l
l l
2"l l
---
l
O
l--- 9 "
---l
l
l
l ( )__
________
__ l
12 1/4" l-----17 1/2"-----l 8"
/
\ 4
3/4" l
__
l________________/
\_______________l
l-----------19"------------l-------15"-------l--------16
1/4"-------l
I hope you can interpret my drawing and dimensions.
I took a mechanical drawing course in high school, but that was several years
before the trailers we are working on were built. And certainly before
personal computers were in use.
The tank removed from my '66 Safari is a basic rectangle,
50 1/4" wide (trailer width) and 23 1/2" long (trailer front to rear)
with a notch molded into the center rear. The notch is molded with its
sides at an angle. The notch is approximately 9" wide across its narrow
side, the front, and 15" wide at the rear of the tank. The front wall of
the notch is inset 4 3/4" from the rear wall of the tank. The
vent pipe connection is about 2 1/4" in diameter and located equidistant from
the front to the rear of the tank at 12 1/4" from each long side. It is 2"
from the left side of the tank. The toilet fitting is 4" in diameter,
located 17 1/2" from the left side of the tank and 8" from the rear of the
tank. Vent and toilet fitting openings are measured to the centerline of
each opening, not the outer diameters. The tank is about 4" deep and its
deepest point is near the rear center of the tank. In other
words, the tank is more shallow at the front edge and slopes downward
toward the rear of the tank. It also slopes down slightly from each
side toward the side to side middle of the tank. The tank had a molded 3"
nipple and flange at the center rear on which the gate/dump valve was originally
attached. The dump valve connection was broken, as are essentially
all of them, because the tank cover and tank rear support angle iron rusted away
and disappeared years ago and the full weight of the tank was suspended by the
drain valve and gray water piping connection on the back of the tank. The
drain valve fitting appeared to be a special purpose molded plastic fitting
which attached to the tank flange and also to the gray water piping. It
was a strange shape which would require a specialy designed and molded for the
purpose unique Airstream replacement part.
Jim, I'm pretty sure your tank is identical or nearly so
to the tank my daughter and I removed and repaired from her '72 Overlander
27'. It also had a left side dump valve.
Bobby, I wish you had asked for additional info on my
replacement tank solution as late as about 2 weeks ago. I had
been stumped for months and had quit working on it because I could not
figure out a method to securely attach the dump valve to the tank neck on
the H-4 generic replacement tank. Up until a week ago I could
have simply dropped the tank and shot a few photos for you. A
week or so ago, in a renewed burst of energy and determination, I removed
the entire assembly for the umpteenth time and took the tank,
tank cover, etc. to a plumbing wholesaler in a small bedroom community
near Lubbock. In a small town approach to doing business,
the owner walked out to my truck with me and looked over my problem and
went inside and found a large rubber collar with clamps which, with
modifications, allowed me to complete the installation. I had tried
the local Home Depot and Lowe's stores but their supplies of a similar product
were more limited and I didn't know the size I needed was
manufactured. Now the tank is completely installed, the redesigned
and altered gray water piping termination is now completed, and the tank
has been sitting full of (clean) water for over a week without leaking a
drop. I can coach you through a similar installation if you wish if you
buy the H-4 tank as we discussed. I can provide crude sketches and verbal
descriptions which I think will be sufficient for you to duplicate
it. I'm sure you can read and interpret my difficult to
follow directions and can fabricate solutions to problems when
required.
I hope this helps some. I'll be happy to answer
additional questions if needed.
Harvey Barlow
Lubbock, TX
WBCCI 1171, WDCU, VAC
'93 A/S Excella 34' (for sale), '84 A/S Excella 31' (in
use), '66 Safari 22' (in progress)
'01 Dodge-Cummins HO 3500 QC
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