250 with Smoke Control Installation & User Instructions

25
Maintenance & Servicing
3. Removal of the Riddling Mechanism
3.1 To maintain good working condition the riddling mechanism
can be removed for cleaning.
Stationary
Riddling
Mechanism
Moving
Riddling
Mechanism
1
4. Fitting a new Door Glass
To maintain safe use of the appliance damaged door glass
must be replaced immediately.
To do this:
4.1 Remove the door by opening, removing the hinge pins and
lifting the door free of the hinge blocks.
4.2 Lay the door face down on a soft flat surface to protect the
paintwork and glass
4.3 Remove the glass clip fixing screws The old glass can then
be lifted clear of the door.
Note how the 3mm sealing rope is placed between the
glass and the door.
4.4 Dispose of the old glass safely.
4.5 Clean and re-paint the rear of the door if required.
4.6 Clean the screws with light oil and coat with high
temperature anti-seize grease to aid future removal.
4.7 Fit a new sealing rope between the new glass and the door,
and place the glass into position in the door.
4.8 Place the glass fixing clips into position and re-fix with the
clean fixing screws, tightening the screws evenly until glass
is held securely.
Do not over tighten the screws as this could break the
glass.
4.9 Fit only original Dovre ceramic glass, which is suitable to
use in high temperature applications.
4.10 Using the appliance with damaged door glass could cause
dangerous fumes to enter the room or the appliance to over-
fire resulting in damage.
5. Fitting a new Door Seal
To maintain the safe use of the appliance damaged or worn
door sealing rope must be replaced.
To do this:
5.1 Remove door from appliance by opening, removing the
hinge pins and lifting the door free of the hinge blocks.
5.2 Lay the door face down on a soft, flat surface to protect the
paintwork and glass.
5.3 Remove old rope and scrape old glue from locating groove.
5.4 Clean the locating groove with a clean, dry cloth to remove
all old dust and debris.
5.5 Squeeze a generous bead of fresh Thermic Seal glue into
the rope locating groove.
5.6 Press the new rope into the locating groove, placing the joint
in the middle of the lower edge of the door.
5.7 Refit door and close to apply pressure to new rope.
5.8 Leave the door(s) closed for at least 12 hours before
lighting the appliance and run at a low temperature for
approximately one day. This allows the adhesive to fully
bond to the seal.
5.9 Using the appliance with a damaged door seal can cause
dangerous fumes to enter the room, or the appliance to over
fire resulting in damage.