REMOVE/lNSTALL SHIELDS AND SHIELD INSULATOR
TOOLS: Tool kit, service, refrigeration unit
MATERIALS/PARTS: Rivet, Pop (11)
Control box assembly removed.
Printed circuit (PC) board assembly removed.
Fuel lines and fittings removed.
Fuel filter removed.
Combustion blower removed.
Ventilating air motor removed.
Safety thermostats and thermocouple removed.
Burner head assembly removed.
Ignition transformer and cable removed.
Heat exchanger removed.
1. TO remove two heater case shields (1) from heater case side panels (2), drill out two rivets (3) at
each shield. Lift out two shield retainers (4) with each shield.
2. To remove rear cover shield (5), drill out four rivets (6). Lift off two support straps (7) with
3. To remove shield insulator (8) from exchanger housing shield (9) of the heater case assembly,
remove three rivets (10), one screw (11), and lock washer (12).
Lift out two support straps (13
and 14) with shield insulator.
Install shields (1 and 5) and shield insulator (8) with foil
side facing inwardly toward heat exchanger.
1. Install shield insulator (8) on inside of exchanger housing shield (9) using two support straps
(13 and 14), three rivets (10), one screw (11), and lock washer (12).