Full Performance Maintenance Instructions
FBB (Flexible Batch Broiler)
4
Natural Gas
175814 ORIFICE, IR FRONT, 2.35mm, G I2H/I2E(G20) & I2L(G25)
175735 ORIFICE, IR FRONT, 2.49mm, #40, BURNER--SO SPECS
175815 ORIFICE, IR REAR, 2.50mm, G I2H/I2E(G20) & I2L(G25)
175736 ORIFICE, IR REAR, 2.70mm, #36, BURNER BLUE--SO SPECS
175823 ORIFICE, LOWER , 3.05mm, #31 , I2H/I2E(G20) & I2L(G25)
175935 ORIFICE, LOWER, 3.26mm, I2H/I2E(G20), I2L(G25) HA
176387 ORIFICE, LOWER, 3.45mm, #29, I2H/I2E(G20) & I2L(G25)
Propane Gas
175818 ORIFICE, IR FRONT, 1.40mm, #54, I3B/P(G30)
175816 ORIFICE, IR FRONT, 1.55mm, I3P(G31)
175817 ORIFICE, IR REAR ,1.61mm, #52, I3P(G31)
175819 ORIFICE, IR REAR, 1.51mm, #53, I3B/P(G30)
175768 ORIFICE, LOWER BURNER , 1.70mm, #51, 13B/P(G30)
175737 ORIFICE, LOWER BURNER, 1.85mm, #49, 13P(G31)
176388 ORIFICE, LOWER BURNER, 2.00mm, I3P(G31)
176522 ORIFICE, LOWER BURNER, 1.75mm
11.
Replace (1) Lower Igniter and (2) Upper Igniters. Spark gap should measure approximately 1/8”. If old
igniters are in reasonable condition, they can be left with the restaurant for emergency use
12.
Replace (1) Lower Flame Sensor and (2) Upper Flame Sensors. If old Flame Sensors are in reasonable
condition, they can be left with the restaurant for emergency use.
13. Clean (3) Flame Sensor Tubes with supplied Brush Tool to remove any undesired debris.
14.
Inspect (1) Lower Ignition cable and (2) Upper Ignition cables for damage. Clean contact terminals if
necessary.
15.
Clean Temperature Probe with supplied alcohol pads and scrub pad.
16.
Clean Temperature Probe tube with supplied brush tool to remove any undesired debris.
17. Inspect Cook Chain for damaged links. There are no master links. Individual links can be replaced or bent
back to position.
18.
Inspect Drive Chain for proper tension. Drive Chain deflection should be approximately 3/16”. Inspect
Drive Sprockets for wear.
19. Ensure Drive Motor is mounted securely. If necessary, clean wire connections with Duke recommended
cleaner. Cleaner type and local distributor information may be obtained by accessing the following web
site (http://www.chemtronics.com/p-746-electro-wash-nxo.aspx). (Avoid spraying cleaner directly onto any
exposed electrical motor windings or gear box)
20. Inspect (4) Teflon Bushing Blocks for uncommon wear.
21. Clean any grease accumulation in the entire Electrical Control Compartment with scrub pad and Duke
recommended cleaner. Cleaner type and local distributor information may be obtained by accessing
the following web site (http://www.chemtronics.com/p-746-electro-wash-nxo.aspx). Refer to Cleaning
Instructions provided (175116).
22.
Ensure all wire connections are firmly seated.
23.
Confirm Troubleshooting label is in place on Control Compartment.