Service Procedures; Upper Shell Removal; Fuel Filter (8,8/20,5 Kw [30/70,000 Btu/Hr] Models); Fuel Filter (26,4/44 Kw [90/150,000 Btu/Hr] Model) - Desa 8.8 Manual Del Propietário

SERVICE
PROCEDURES

Upper Shell Removal

1. Remove screws along each
side of heater using 5/16"
nut-driver. These screws
attach upper and lower
shells together.
2. Lift upper shell off.
3. Remove fan guard.
Fuel Filter
(8,8/20,5 kW [30/70,000 Btu/Hr]
Models)
1. Remove side cover screws
using 5/16" nut-driver.
2. Remove side cover.
3. Pull rubber fuel line off
fuel filter neck.
4. Carefully pry bushing and
fuel filter out of fuel tank.
5. Wash fuel filter with clean
fuel and replace in tank.
6. Attach rubber fuel line to
fuel filter neck.
7. Replace side cover.
Fuel Filter
(26,4/44 kW [90/150,000 Btu/Hr]
Models)
1. Remove side cover screws
using 5/16" nut-driver.
2. Remove side cover.
3. Pull upper fuel line off fuel
filter neck.
4. Carefully pry bushing,
lower fuel line, and fuel
filter out of fuel tank.
5. Wash fuel filter with clean
fuel and replace in tank.
6. Attach upper fuel line to
fuel filter neck.
7. Replace side cover.
10
Never service heater while it is plugged in, operating, or
hot. Severe burns and electrical shock can occur.
Upper
Shell
Figure 7 - Upper Shell
Removal, 8,8/20,5 kW
(30/70,000 Btu/Hr) Models
Fuel Filter
Side Cover
Figure 9 - Fuel Filter Removal, 8,8/20,5 kW (30/70,000 Btu/Hr) Models
Fuel Filter, Bushing,
and Lower Fuel Line
Side Cover
Figure 10 - Fuel Filter Removal, 26,4/44 kW (90/150,000 Btu/Hr) Models
WARNING
WARNING ICON G 001
Upper
Shell
Fan
Guard
Figure 8 - Upper Shell
Removal, 26,4/44 kW
(90/150,000 Btu/Hr) Model
Fuel Line
Fan
Guard
Upper
Fuel Line
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