Remove and discard six screws (1), two
cover plates (2), and plate gaskets (3) from
top of carrier.
Place two new gaskets (3), exhaust
elbow (4), and intake elbow (5) on top of
carrier. Secure with six new screws (1).
W A R N I NG
P - D - 6 8 0 is
flammable. Always use in
an open area with good air
flow, away from sparks,
h e a t , o r f l a m e s . W e ar
goggles and gloves. Do not breathe
vapors. Avoid contact with skin, eyes, and
clothes. If you get dizzy while using
solvent, breathe fresh air and get medical
help. If solvent gets on hands, wash them.
If solvent gets in eyes, flush eyes with
and get medical help
Keep fire extinguisher
Clean inside surface of intake hose (6) at
one end only. Use dry cleaning solvent.
Apply silicone adhesive sealant to cleaned
inside surface of intake hose (6).
Insert a 1 inch (3 cm) silicone rubber
hose (7) into intake hose (6) until end of
hose (7) is flush with end of intake
Place a 30 inch (76 cm) intake hose (6)
with large end on intake elbow (5) and
reduced end on heater intake duct (8).
Secure both ends with two clamps (9).
Place exhaust duct (10) on exhaust
elbow (4) and heater assembly exhaust
Install duct (10) in elbow (4) and exhaust
outlet (11). Secure with two Ubolts (12),
saddles (13), four washers (14), and four