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Installation
31
70457901ENR7
Figure 16
How to Change Burner Orifice Size
1. Disconnect electrical power from tumble dryer.
Close gas shut-off valve to tumble dryer. Refer to
Figure 15.
2. Remove spud holder. Unscrew spud holder nut
near gas valve. Remove the burner orifice(s)
from spud holder. Refer to Figure 16.
3. Install the new, correct burner orifice(s). Refer to
Figure 17 and Table 1. Torque each to 9 – 10 Nm.
4. Reinstall spud holder assembly to gas valve,
making certain burner orifice(s) are in line with
burner tube opening. Refer to Figure 17.
5. Commission tumble dryer for use.
NOTE: Blank burner orifices are Part No.
M400995.
How to Adjust Gas Valve Governor/Regulator
1. Check gas burner orifice (manifold) pressure as
follows. Refer to Figure 16.
2. Remove screw plug from pressure tap.
3. Connect a “U”-tube manometer (or similar
pressure gauge) to the burner orifice (manifold)
pressure tap.
4. Start tumble dryer and note pressure once flame
is burning. Remove regulator cap and adjust
regulator screw until the burner orifice pressure
per applicable table is achieved. Replace
regulator cap. Refer to Figure 16.
5. Commission tumble dryer for use.
Figure 17
TMB2282N
1 Gas Valve 8 Manifold Pipe
2 Regulator Plate 9 Anti-Torque Ring
3 Burner Orifice 10 Spud Holder Nut
4 Burner Tube Openings 11 Plate
5 Burner 12 Gasket
6 Pressure Tap 13 Regulator Cap
7 Spud Holder
TMB2015N
1 Size Stamped on Orifice
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