Drash D-1000B Spezifikationen PDF herunterladen (Seite 25)

D-1000B Heater Operations & Maintenance

71A

71B

22A Return to Tank

22B Supplyfrom Fuel Filter

Fuel Return

22B Fuel Supply

Figure 5-6 – Fuel Pump

5.4.6 Removal, Inspection and Installation of Electric Motor / Fuel Pump Coupling

5.4.6.1 Removal Procedures;

1. Disconnect power cord from power source and allow heater to cool.

2. Remove four quick release pins and remove top cover (see Figure 5-1).

3. Using a 8mm nut driver, remove the upper heat shield (05) by removing six screws (79) and two sheet metal

screws (78); remove heat shield and set aside.

4. Disconnect the fuel solenoid leads.

5. Using a 15mm open end wrench, loosen and disconnect at fuel pump (70) the fuel supply line (22B) from the fuel

filter and fuel return line (22A) to the fuel tank (see Figure 5-6).

6. Using a 13mm open end wrench, loosen and disconnect at the fuel pump the fuel feed hose (65) to burner head

(61).

7. Using a 2.5mm Allen wrench, loosen (DO NOT REMOVE) three set screws on the fuel pump collar (see Figure 5-

4); remove fuel pump from electric motor assembly.

MAINTENANCE, and REPAIR PROCE

DURES 5-9 DHS SYSTEMS LLC

No rights are conveyed except as indicated in the legend on the inside front cover of this document.

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Drash D-1000B Spezifikationen Seite 25