Doc No. 700025 Page 25 of 32
4.3 Burner Removal
Step 1 Isolate power and gas supplies.
Step 2 Disconnect the external power/control
connections as shown (VTC only). Disconnect
external 4 way power/control plug from burner
housing (VT only)
Step 3 Detach the gas supply as shown below,
taking care to support the burner connection.
Step 4 If ducted air is connected, slacken
hose clip and remove the flexible hose from the
burner.
Step 5 Remove the support connected to the
burner bracket. Slacken the set screws on the
burner support casting to enable the burner to
be removed from the radiant tube.
Step 6 Remove the burner and position the
burner in a safe area to prevent the burner or
components attached to the burner from falling
to the ground.
4.4 Burner Gas Injector Servicing
Step 1.a Remove the 4 retaining screws, then
remove the burner support casting and gasket.
Step 1.b The burner head assembly can be
disconnected by separating the connectors of
the ignition lead assembly and removing the
earth lead and pressure switch silicon tube.
Step 2 The gas injector can be inspected
and replaced if contaminated or blocked.
