MATERIAL LIST (home depot or lowes) 

• 1 each  1 1/2" OD EMT RAINTIGHT COUPLING  (ELECTRICAL DEPT)    $14.50

• 1 each  1 1/2" OD EMT 90 DEGREE ELBOW  (ELECTRICAL DEPT   $4.50

• 1 each  10' X 4" PLASTIC PIPE WITH BUILT IN COUPLING (ASTM-D2729)  $10.00

• 1 each  5/16" X 12" ALL THREAD  $1.50

• 1 each  PACKAGE OF 5/16" X 18 THREADED NUTS  6 TO 8 REQUIRED  $1.00

YOU WILL NEED SUCTION CUPS AND BUNGEE CORD TO SUPPORT THE 4" PIPE TO  SIDE OF THE COACH.  OR YOU CAN USE ROPE OR WOOD JIG FOR SAME

 CONSTRUCTION:

STEP  I:  1 1/2 COUPLING IS CONNEDTED TO ONE END OF 90 DEGREE ELBOW

STEP 2:  NOTCH OTHER END OF COUPLING ON BOTH SIDES WITH A 5/16+ BY 5/16+ DEPTH

STEP 3: CUT THE 4" PLASTIC PIPE IN HALF

STEP 4:  ON ONE END OF THE PIPE WITHOUT THE COUPLING, MEASURE UP BY 2 1/2" AND DRILL A 5/16" HOLE THROUGH THE CENTER OF THE PIPE ( A  5" PIECE OF THE 5/16" ROD WILL BE PUT THROUTH THE HOLE)

STEP 5:  PUT THE 5" PIECE HALF WAY THROUTH ONE OF THE 5/16 HOLES IN THE 4" PLASTIC PIPE.

STEP 6:  SCREW 4 EACH 5/16 NUTS ONTO THE 5/16" THREADED ROD SO THAT ARE ABOUT 2 1/2" ON THE INSIDE OF THE 5/16" THEN PUT THE PIPE THROUGH THE HOLE IN THE 4" PLASTIC PIPE

STEP 7:  SCREW A NUT ON EACH OUTSIDE OF THE 5/16" THREADED PIPE SO THAT THE 5/16" THREADED ROD IS LOCKED ON