Lull 944E-42, Service Manual

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Engine: Cummins 4BT 3.9, B4.5T and QSB 4.5T
7.48 Model 644E-42/944E-42 Rev. 6/04
50. Install the fan guard (1) using three (2) previously
removed capscrews. Torque capscrews to 13-22 lb-ft
(17-31 Nm).
51. Refill the cooling system. Refer to Section 7.6.3,
“Drain and Flush Radiator,” for procedures to refill
the cooling system.
52. If transmission oil was drained, oil may be added
through the dipstick tube. Remove the dipstick and
add approximately 15.9 qt (15 liters) of
recommended oil. Check the oil level by taking
intermittent dipstick readings. (Refer to Section
2.6.6, “Transmission.”) DO NOT overfill. Reinstall the
dipstick when finished.
53. If the engine oil was drained, remove the dipstick
and add approximately 10.5 qt (10 liters) (with oil
filter change) of recommended oil. Refer to Section
2.6.5, “Engine,” for specific oil requirements. DO
NOT overfill. Reinstall the dipstick when finished.
54. If the vehicle has dual batteries, connect both
negative battery cables (3 and 4) to both batteries.
Connect the lower negative battery cable (3) to the
negative (-) terminal on the lower battery (5). Swing
the upper battery box (6) in and make sure that the
lip (7) on the upper battery box slides below the
knob (8). Secure in place with the knob (8).
55. Install the engine hood with the help of at least one
assistant. (Refer to Section 4.8.2, b. “Engine Hood
Installation,” for procedures.)
56. Check that all hydraulic system, electrical system,
cooling system, fuel system, and exhaust system
connections are correct and connected tightly.
57. Have an assistant stand by with a Class B fire
extinguisher. Start and idle the engine.
58. Run engine to normal operating temperature; then
shut off the engine. While the engine is cooling,
check for leaks.
59. Allow the engine to cool. Check the radiator coolant
level and top off with a 50/50 mixture of ethylene
glycol and water. Replace the radiator cap.
60. The overflow tank should be 1/4 to 1/2 full. If not, fill
to this level with a 50/50 mixture of ethylene glycol
and water. Replace and tighten overflow tank cap.
61. Check for leaks from the engine, main hydraulic
pump and lines, transmission, hydraulic reservoir
and fuel tank. Check the levels of all fluids and
lubricants. Fill as required.
IMPORTANT: During the full throttle check:
• DO NOT operate any hydraulic function;
• DO NOT steer or apply any pressure to the steering
wheel;
• Keep the transmission in NEUTRAL (N).
MU1540
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MU0650
3
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