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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
1
10
9
8
7
3
5
4
2
11
13
12
6
TMB2015N
1
Size Stamped on Orifice
1
BURNER
ORIFICE
