Blodgett 901 Installation And Operation Manual page 9

Connect the oven to the gas line with the proper type of
gas according to Local and National Installation Stan-
dards.
Setting Equipment for Other Types of Gas -- 1000 Se-
ries Only
NOTE: The 900 Series ovens are not convertible. Data
given on the following page is for information only.
CAUTION!!
The conversion of gas type may only be car-
ried out by the service agents or qualified
personal.
1. Shut off the gas valve and turn off the operat- ing
switch.
2. Dismantle the manifold by means of a cou- pling. Re-
move the bolts holding the manifold to the brackets.
Remove the manifold.
3. Replace the injectors.
4. Adjust the air shutters to the proper air opening. Refer
to the table on the following page.
Air Shutter
Pressure Tap
Air Shutter
Manifold
Gas Connection and Initial Startup
5. Reinstall the manifold.
6. Remove the two screws holding the pilot bracket.
7. Remove the pilot tube from the pilot assembly.
8. Loosen the set screw on the left side of the pi- lot
bracket. Remove the thermocouple. Remove the pilot
bracket assembly.
9. Insert the thermocouple into the new pilot bracket as-
sembly. Tighten the set screw.
10. Install the new pilot bracket assembly with the screws
removed in step 6.
11. Install the pilot tube in the new pilot bracket assembly.
INITIAL STARTUP
1. All the oven to burn off for four hours. Set the thermo-
stat to 140°C. Increase the temperature by 55° ev-
ery hour up to 315°C. This procedure may produce
smoke.
Set Screw
Thermocouple
Pilot Tube
Figure 7
7
Installation
Pilot bracket