Lull 944E-42 Service Manual - Manual (Page 237)

7.35 Model 644E-42/944E-42 Rev. 6/04
Engine: Cummins 4BT 3.9, B4.5T and QSB 4.5T
15. Remove all of the hydraulic oil from the reservoir and
system. The receptacle must be large enough to
hold 50 gallons of oil. Remove the drain plug (16)
and allow the oil to drain into the receptacle. Transfer
the oil to a container with a cover and label the oil as
used oil. Dispose of used oil at an approved
recycling facility.
Note: If an oil evacuation system is available, removal of
the hydraulic oil from the reservoir can best be
accomplished by evacuating the oil through the filler
tube.
16. Clean and reinstall the drain plug (16) into the
reservoir. Torque the drain plug to 25-40 lb-ft
(34-54 Nm).
17. Remove the lower section of the hydraulic suction
hose (17) by loosening and removing the upper (18)
and lower (19) hose clamps.
18. Disconnect the hydraulic oil temperature switch
connector (20).
19. Refer to Section 5.4.3, “Drive Shaft Removal,”
procedures, for the removal of the drive shafts from
transfer case.
20. Remove the engine mount frame skirt (21) to gain
access to the hydraulic reservoir. Do this by
removing four lower button-head capscrews (23) and
two button-head capscrews (front and back) (22).
21. Remove the hydraulic reservoir support bracket (24)
by removing two capscrews (25) securing the front of
the bracket to the battery tray assembly.
22. Remove two nuts (29), flat washers (28), and
capscrews (27) securing the rear portion of the
hydraulic reservoir support bracket to the engine
mount frame.
MU1090 16
MU1100
17
18
19
20
MU2080
21
22
23
MU2090
24
25
26
27
28
29