TM 9-4520-260-13
5-3. CARBURETOR - CONTINUED
REASSEMBLY
1. Install overflow fitting (25) to bowl (5).
2. Install fuel jet (18) and gasket (20) in carburetor body (7).
3. Install bracket (23) to the carburetor body (7) and secure with four screws (21) and four lockwashers (22).
4. Install new preformed packing (19) on mixer.
5. Install mixer (17) on fuel jet (18) and hand tighten.
6. Apply corrosion preventive compound (Item 5, Appendix E) to threads of fuel adjustment needle (15).
7. Install new preformed packing (16) on fuel adjustment needle (15) and install in carburetor body (7).
8. Install orifice (24) in carburetor body (7).
9. Install float bowl (5) on orifice (24). Make sure fuel inlet (12) faces in direction shown in Figure 5-2.
10. Install heater (6) in carburetor body (7). Connect one white/black lead (4) to screw at top of float bowl (5).
11. Install thermostat (9) to carburetor body (7) and secure with two screws (10) and two lockwashers (11).
12. Connect one white/black lead (8) from heater (6) to thermostat (9).
13. Install solenoid valves (13 and 14) in carburetor body (7).
14. Secure black wire (3) from fuel solenoid valve (13) to top of float bowl (5) with screw (1) and washer (2).
15. Secure black wire (4) from choke solenoid valve (14) to top of float bowl (5) with screw (1) and washer (2).
1. Install carburetor assembly (12) to burner head using four screws (11).
2. Install overflow fitting hose (9) to carburetor assembly (12). Coat connector threads with sealing compound (Item 10,
Appendix E) and install connector (8) to
fuel inlet on
carburetor assembly.
3. Connect the fuel hose (7) and compression nut (6) to connector (8) on carburetor bowl.
NOTE
If fuel hose is replaced, then replace compression nut also.
4. Connect electrical leads (1, 3, and 4) to ECU (5).
5. Connect power plug and open fuel supply to heater.
6. Start the heater (para 2-10) and check for correct heater operation. If required, adjust the carburetor [para 4-4.c(6)].
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