D-1000B Heater
Operations & Maintenance
Electric Motor Removal Procedures (Cont)
11. Slide the plastic cover off the capacitor (11) and disconnect two female terminal couplers. (See Figure 5-3).
12. Using a 13mm socket wrench, loosen and remove the mount nut and lock washer; remove capacitor (11).
13. Using an 8mm nut driver, loosen and remove four screws (78) securing the motor assembly plate (12).
14. Remove the electric motor (10) from the lower heat shield assembly (6).
15. Turn the electric motor (10) and plate assembly (12) upside down.
16. Using a 8mm nut driver, loosen and remove four electric motor mounting screws (79) and four spring washers
(80); remove unserviceable electric motor.
Figure 5-3 - Capacitor Wire Connections
5.4.2.2
Installation procedures:
1. Place serviceable electric motor (10) onto the motor assembly plate (12) and reinstall four mounting screws (79)
and four spring washers (80). Using an 8mm nut driver tighten hardware.
2. Install motor assembly plate (12) into lower heat shield (6).
3. Using an 8mm nut driver reinstall four screws (78) and tighten.
4. Using a 13mm socket wrench, reinstall capacitor (11) to the electric motor (10) install and tighten the lock washer
and nut.
5. Reconnect two female terminal couplers from the electric motor (10) to the capacitor (11) and reinstall the plastic
cover as shown in Figure 5-4.
6. Position fuel pump (70) behind electric motor (10) aligning tabs on the plastic coupler to the slots inside the
electric motor as shown in Figure 5-6 and Figure 5-7. Push in until fuel pump (70) is seated against the electric
motor (10).
7. Using a 2.5mm Allen wrench, tighten the three set screws on the fuel pump collar to the electric motor (10).
8. Using a 13mm open end wrench, connect and tighten the fuel feed hose (65) from the burner head (61) to fuel
pump (70).
9. Using a 15mm open end wrench, connect and tighten the fuel supply line (22B) from fuel filter and fuel return line
(22A) to fuel tank at the fuel pump (70).
10. Install fan blade (15) and ensure it is flush with the forward end of the shaft.
MAINTENANCE, and REPAIR PROCEDURES
5-4
DHS SYSTEMS LLC
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