D-1000B Heater
Operations & Maintenance
5.4.4 Removal and Installation of Fuel Filter
5.4.4.1
Removal procedures:
1. Disconnect power cord from the power source. Allow heater to cool.
2. Using a 19mm open end wrench, loosen and remove pre-heat probe from bottom of fuel filter assembly
3. Using a 10mm open end wrench, remove bolt, washer and o-ring from top of fuel filter assembly.
4. Using a suitable container, collect the fuel when removing the fuel filter assembly.
5. Remove, clean and inspect filter and discard all gaskets.
5.4.4.2
Installation procedures:
1. Install new fuel filter cartridge (76) and new O-ring from kit (75).
95
96
21
76
21
21
75
21
Figure 5-5 - Fuel Filter Assembly
2. Fill the fuel filter assembly with clean diesel fuel.
3. Place the fuel filter assembly into housing and install bolt, washer and new o-ring from kit (75).
4. Using a 10mm open end wrench, tighten the fuel filter assembly mount bolt.
5. Insert pre-heat probe into bottom of fuel filter assembly and tighten using a 19mm open end wrench.
6. Wipe up any fuel spills.
7. Connect heater to a power supply.
8. Test heater in accordance with operations manual (see Chapter 6) and check for fuel leaks.
MAINTENANCE, and REPAIR PROCEDURES
5-7
DHS SYSTEMS LLC
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