L.B. White 400-650K Tradesman - Manuel (Page 16)

PHOTOCELL
CLEAN PHOTOCELL ANNUALLY OR AS NEEDED.
- Remove upper shell (See page 14).
- Remove photocell from photocell bracket and disconnect
photocell from connector.
- Clean photocell lens with cotton swab.
- Inspect photocell for damage. If damaged, replace photocell.
FUEL LINES
TIGHTEN FUEL LINES ANNUALLY OR
AS NEEDED.
- Remove upper shell (See page 14).
- Use 1/4” wrench and tighten fuel line (A) at solenoid valve and at
pump (See Figure 19).
- Remove fan guard (See Figure 20,21).
- Use 3/8” wrench and tighten fuel line (B) at pump and pump fuel
filter assembly.
- Reinstall fan guard.
FUEL FILTER
CLEAN TWICE PER HEATING SEASON OR AS NEEDED.
4 16
MAINTENANCE (cont.)
Figure 18 – Clean Photocell Lens
Photocell Bracket
Photocell
Connector
Photocell Lens
Install Photocell
1) Incorrect
2) Correct
Figure 19 – Tighten Fuel Line
Burner Head
Solenoid
Valve
Fuel Line (A) Fuel Line (B)
Figure 20 – Remove Fan Guard (CP400CK)
Fan Guard
Flat Washer
Screw
Figure 21 – Remove Fan Guard (CP650CK)
Fan Guard
Tank Fuel Filter
- Remove fan guard (See Figure 20,21).
- Disconnect fuel line (B) from pumpand pump fuel filter
assembly with 3/8” wrench (See Figure 19).
- Remove two screws that fix bracket-filter to shell lower and
remove bracket-filter.
- Carefully pry fuel filter loose from fuel tank with flat end of
screwdriver.
- Wash fuel lines and fuel filter with clean kerosene.
- Replace fuel filter into fuel tank.
- Replace bracket-filter to shell lower.
- Connect fuel lines (B) to pump and pump fuel filter assembly.
- Reinstall fan guard.