D-1000B Heater
Operations & Maintenance
MAINTENANCE, and REPAIR PROCEDURES
5-16
DHS SYSTEMS LLC
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5.4.10.2
Installation procedures:
1. Install new ignition control assembly (53) onto control panel assembly (29).
2. Using a Phillips head screwdriver, install and tighten two screws (88) securing ignition control assembly (53) to
control panel assembly (29).
3. Reconnect two H.T. ignition cables (64) to the ignition control assembly as shown in Figure 5-11.
4. Reconnect four quick disconnect connectors to ignition control assembly.
5. Slide control panel assembly (29) back into base (30). Ensure that electrical wires do not get pinched when
sliding control panel assembly into base.
6. Using a Phillip head screwdriver, install and tighten two screws (81) securing control panel assembly (29) to base.
7. Install upper heat shield (05).
8. Using an 8mm nut driver, install and tighten six screws (79) and two sheet metal screws (78).
9. Install the top cover and four quick release pins as shown in Figure 5-1.
10. Test heater in accordance with the operations manual. (See Chapter 6).
5.4.11 Removal and Installation of H.T. Ignition Cables
5.4.11.1
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. Using a Phillip head screwdriver, remove two screws (81) securing control panel assembly (29). Pull assembly
straight out and lay down exposing internal components and electrical wires.
5. Disconnect both H.T. ignition cables (64) from ignition control assembly (53) (see Figure 5-11).
6. Disconnect both H.T. ignition cables (64) from electrodes (63) (see Figure 5-9).
7. Gently pull each H.T. ignition cables through lower heat shield (06) into base (30).
8. Discard H.T. ignition cables.
5.4.11.2
Installation procedures:
1. Feed new H.T. ignition cables up through base (30) and into lower heat shield (06).
2. Connect both H.T. ignition cables (64) to electrodes (63) (see Figure 5-9).
3. Connect both H.T. ignition cables (64) to ignition control assembly (53) (see Figure 5-11).
4. Slide control panel assembly (29) back into base (30). Ensure that electrical wires do not get pinched when
sliding control panel assembly into base.
5. Using a Phillip head screwdriver, install and tighten two screws (81) securing control panel assembly (29) to base.
6. Install upper heat shield (05).
7. Using an 8mm nut driver, install and tighten six screws (79) and two sheet metal screws (78).
8. Install the top cover and four quick release pins as shown in Figure 5-1.
9. Test heater in accordance with the operations manual. (See Chapter 6).