Dyna-Glo SF70DGD User's Manual And Operating Instructions page 8

NEVER LEAVE THE HEATER
UNATTENDED WHILE BURNING!
C) FUEL FILTER IN FUEL TANK
Clean twice per heating season or as needed
1) Pull Fule Line & Fuel Return Line off from Fuel Filter neck.
2) Turn Fuel Filter 90˚ to counter clockwise and pull to remove.
3) Wash Filter with clean kerosene and replace in tank.
4) Attach Fuel Line & Fule Return Line to Fuel Filter neck.
D) BURNER FULL ASSEMBLY REMOVAL
1) Remove Back Cover(See Page 6)
2) Disconnect wires from PCB board as shown in Figure 5.
3) Remove Earth Wire from Burner Supporter with medium
phillips screwdriver.
4) Loosen Clamps with long nose plier and remove Fuel Return
Line from nipple of the Solenoid Valve and remove Fuel Line
from nipple of the Electronic Pump.
5) Disconnect Limit Control Wire from Limit Control as shown
in Figure 5.
6) Remove 3nuts with 8mm socket wrench and remove
Burner Full Assembly from Shell Insulator.
E) PHOTOCELL
Clean Photocell annually or as needed.
1) Remove Back Cover(See Page 6)
2) Disconnect Blower M/T & Photocell Wires from PCB
Board.(See Figure 5)
3) Remove 3 screws with medium phillips screwdriver
and remove Blower Motor Assembly from Burner Supporter.
4) Remove 2 screws with medium phillips screwdriver and
remove Cover Blower from Body Blower.
5) Slide to arrow direction and Remove Photocell from
holder with hand as shown in figure 6.
6) Push Photocell Wire to arrow direction.
7) Clean Photocell Lens with cotton swab.
If Photocell Lens is damaged, Replace new one.
8) Replace Photocell to holder and Cover Blower to Body Blower.
9) Replace Blower Motor Assembly to Burner Supporter.
10) Replace Blower M/T & Photocell Wires and Back Cover.
Figure 4. Tank Fuel Filter Removal
RPM Sensor
PhotoCell
Sol. Valve Nipple
Figure 5. Burner Full Assembly Removal
Photocell
7
Fuel Line
Pump
Igniter
Wire
Wire
Wire
Valve
Wire
Wire
Blower M/T
Wire
Earth Wire
Clamp
Fuel Return
Line
Clamp
Fuel Line
Electronic Pump Nipple
Limit Control
Shell Insulator
Limit Control Wire
Burner Full Assembly
Nut
Burner Supporter
Holder
Photocell
Wire
Body Blower
Figure 6. Photocell Removal
Fuel Tank
Fuel Filter
Fuel Return Line
Cooling M/T
Wire
Power
Wire
Burner
Supporter
Blower Motor
Assembly
Screw
Screw
Cover Blower
Photocell
Lens