Lull 944E-42 Service Manual User Manual download pdf (Page 213)

100

101

7.11

Model 644E-42/944E-42 Rev. 6/04

Engine: Cummins 4BT 3.9, B4.5T and QSB 4.5T

b. Thermostat Installation

Note: Ensure that notched edge of thermostat seal (16)

is facing thermostat.

1. Install the engine lift bracket (17), thermostat

seal (16), thermostat (15) gasket (14) and

thermostat housing (13). Secure with the three

capscrews (12) removed earlier. Torque to 18 lb-ft

(24 Nm).

2. Install the upper alternator mount (11) with the three

capscrews (10) removed earlier. Torque to 14 lb-ft

(19 Nm).

3. Install the alternator with the alternator mounting

capscrew (9) and alternator link capscrew (8).

Torque to 32 lb-ft (43 Nm).

4. Install the exhaust tubing by first positioning the

V-band clamp (6) and tube onto the turbo exhaust

opening. Then align and join the exhaust tube with

the upper lap-joint tube clamp (5). Secure the lower

exhaust bracket (3) with the two capscrews (4)

removed earlier, and torque to 11-19 lb-ft

(15-25 Nm). Now torque the V-Band (6) to 4-5 lb-ft

(6-7 Nm), and the lap-joint tube clamp (5) to

45-60 lb-ft (61-81 Nm).

5. Insert a 3/8" drive ratchet into the automatic belt

tensioner housing (1) and rotate the automatic belt

tensioner inward. With the automatic tensioner lifted

out of the way, install the fan drive belt (2).

6. Install the fan guard (19) with three capscrews (18).

7. Install the upper radiator hose (20). Torque both

hose clamps (21 and 22) to 60 lb-in (6 Nm).

8. Refill the cooling system. Refer to Section 7.6.3,

“Drain and Flush Radiator,” for procedures of refilling

the cooling system.

MU1540

MU1480

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