and wash exterior of radiator with water pres-
2. INSTALLATION (See Exploded View Drawing)
sure. Open flush gun air injector control valve
To facilitate installation, locate unit near
2.1.
intermittently to increase pressure. Wash rad-
air, water, drain and electrical outlets.
iator from back to front first; this avoids forcing
2.1.1. Place unit over floor drain or use 2" dia-
bugs and gravel deeper into radiator core.
meter pipe to conduct water to floor drain and
4.2.
INTERNAL BACK FLUSHING
level.
4.2.1. Connect radiator outlet to booth hose.
2.1.2. Connect water and air to hoses furnished.
Clamp hose to radiator outlet using Universal
Desirable air pressure for washing and back-
Quick Acting Clamp, Catalog No. 3011.
flushing is 150 psi. Connect water curtain supply
4.2.2. Close booth door. Attach flush gun to fit-
to 1/2" pipe at upper right side. Copper tubing
ting at right side of booth by means of snap on
with adapters may be used.
coupling.
2.1.3. Connect power cord to 115 volt. The
4.2.3. Turn on flush gun water valve and back
power cord is provided with a third wire for
flush radiator by pressing flush gun air injector
ground in accordance with standard safety prac-
control lever. Keep lever depressed one or two
tices. Since machine operates under moist con-
seconds and repeat until water expelled from top
ditions this ground must be permanently con-
of radiator is clear. Allow time for radiator fill
nected. An additional woven copper ground strap
with water between each injection of air pressure.
attached to the cabinet and to a water pipe is
recommended as an additional safeguard.
4.2.4. Turn radiator upside down and repeat
water and air injection two or three times. This
2.1.4. Install stack pipe through ceiling for prop-
serves to remove heavy particles of rust and lime.
er air flow from exhaust. This pipe should avoid
sharp turns. A straight run is recommended. A
suitable rain shield is required.
Model 500 requires 12" pipe; Model 225A 15"pipe;
Model 226 18" pipe.
NOTE:
The Models 225A and 226 are equipped with
3. INSTALLATION CHECKOUT
a hoist for handling large radiators.
3.1.
Operate exhaust fan and check for exhaust
4.3.
PAINTING RADIATOR
air flow. (Fan switch is located on right side of
cabinet near eye level.)
4.3.1. Radiator should be thoroughly dry before
painting. Use Leak Exposer for fast drying.
Make sure all hoses are connected and
3.2.
turn on water and air. Check for leaks.
4.3.2. Place radiator inside booth and turn on
exhaust fan.
4. OPERATION
4.3.3. Turn on water curtain. This provides a
4.1.
EXTERNAL WASHING
light flow of water behind the radiator to elim-
inate paint build up on the baffle of the booth.
4.1.1. Disconnect flush gun from side of booth
IMPORTANT: Use care when adjusting water
and attach washing nozzle by means of snap-on
curtain valve. A heavy curtain of water will cause
coupling. Place radiator on rack. 4.1.2. With
water to fall on radiator.
radiator upright, turn on flush gun water valve
