Service Manual User guide

7.43
Model 644E-42/944E-42 Rev. 6/04
Engine: Cummins 4BT 3.9, B4.5T and QSB 4.5T
18. At the rear of the alternator, reattach all wires to their
proper terminals:
• [AG1] and [AG2] to G terminal (23)
• [AB1] and [AB2] (644E-42, SN 20118 & Before,
0160002519 thru 0160003689 and 944E-42) or
Link Cable (644E-42, SN 0160003690 & After)
to B terminal (24)
• [AD1] to D terminal (25) and
• [AW1] to W terminal (26)
644E-42 Fuel Lines and Throttle Installation
19. Connect the fuel inlet line (27) to the fuel lift pump.
Torque the clamp to 4 lb-in (0,45 Nm).
20. Connect the fuel return line (28) to the injector
pump (29). Torque the clamp to 4 lb-in (0,45 Nm).
21. Install the throttle bracket (32) using two previously
removed capscrews. Torque to 44-59 lb-ft
(59-80 Nm).
22. Connect the throttle cable (30) at the engine throttle
lever (31). Torque to 5-8 lb-ft (4-6 Nm).
944E-42 Fuel Lines and ECM Connections
23. Connect the fuel inlet line (33) to the fuel lift pump.
Torque the clamp to 4 lb-in (0,45 Nm).
24. Connect the fuel return line (34) to the injector
pump (35). Torque the clamp to 4 lb-in (0,45 Nm).
25. Attach the rectangular ECM plug (36) to the ECM
module (37), and attach the round ECM cable (39) to
the round ECM connection (38).
MU6600
23
24
25
26
2324
25
26
(644E-42, SN 20118
& Before,
0160002519 thru
0160003689 and
944E-42)
644E-42,
SN 0160003690
& After
MU3060
27
28
29
30
31
32
644E-42
MU5510
944E-42
33
34
35
36
37
38
39