Chapter 5: Repair Procedures
Heater Head Removal from Wall Bracket (Wall Mount Only)
5-2 Service Manual
5.2 Heater Head Removal from Wall Bracket (Wall Mount Only)
For Wall Mount Warmer models, it is necessary to remove the heater head from the wall bracket to access
the rear side of the unit for repairs.
1. Use a 4 mm hex key to remove the four M6 button head screws that attach the heater head to the wall
bracket. Do not remove the shoulder screws.
2. Lift the heater head up slightly to release the shoulder screws from the bracket slots and remove the
head from the bracket.
3. Place the heater head on a flat surface with the grill side down.
5.3 Heater Housing Repairs
Note: Take care to not cross thread or over tighten the captive screws.
Note: For easier access to the heater housing during repairs, you may wish to lower the warmer bed to its
lowest position.
5.3.1 Upper Heater Housing Removal
1. For wall mount models, remove the heater head from the wall bracket as instructed in “5.2 Heater Head
Removal from Wall Bracket (Wall Mount Only)” on page 5-2.
2. Use a 3 mm hex key to remove the 8 socket head screws, split ring washers and flat washers that
secure the upper heater housing to the lower housing and remove the upper heater housing. Lift the
upper housing from its top, front edge (removing the top of the housing allows access to the heat
engine, heater protective grill, power supplies, and alarm light board).
Warning: The heater head is 15 kg. Follow your local health and safety guidelines
for manual handling of heavy objects when lifting and carrying the heater head.
Caution: Do not touch the inside of the heater reflector. Skin oils may reduce the
output of the heater’s reflective surface.
Warning: The heat engine, exhaust duct and protective grill may still be hot if you
disassemble the unit immediately after it has been in use.
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