Lull 944E-42 Service Manual - Manual (Page 99)

6-13 944E-42
Transmission
6.10.1 Transfer Case Removal
Note: This operation can be performed with the
transmission/transfer case still attached to the power
train.
1. Park the machine on a firm, level surface, level the
machine, fully retract the boom, raise the boom,
place the transmission control lever in (N)
NEUTRAL, engage the park brake and shut the
engine OFF.
2. Place a Do Not Operate Tag on both the ignition key
switch and steering wheel, stating that the machine
should not be operated.
3. Temporarily block up or support the boom.
4. Open the engine cover. Allow the system fluids to cool.
5. Properly disconnect the batteries.
6. Remove the engine-to- transmission and
transmission-to-axle drive shafts. Refer to Section
5.4.3, “Drive Shaft Removal.”
7. Connect a lifting strap or chain to the transfer case
and to a suitable hoist or overhead crane. Remove
any slack prior to lifting.
8. Remove the fourteen capscrews (2-rear, 12-front)(3)
securing the transfer case to the transmission.
9. Carefully pull the transfer case back from the
transmission approximately 3 inches to fully
disengage the splined output shaft (4). Once clear,
lower the transfer case and remove it from the
machine.
6.10.2 Transfer Case Installation
1. Connect a lifting strap or chain to the transfer case
and to a suitable hoist or overhead crane. Raise the
transfer case into position (make certain that the
alignment dowel pin is located in the correct transfer
case hole (5).
2. Align the dowel pin (5) of the transfer case with the
hole in the transmission and also the input spline of
the transfer case with the output shaft of the
transmission. Carefully press the transfer case onto
the output shaft until the mating surfaces of both
cases meet.
3. Install the fourteen capscrews (2-rear/long,
12-front/short) and torque to 140 lb-ft (190 Nm).
4. Refer to Section 5.4.5, “Drive Shaft Installation,” for
installation of the drive shafts.
5. Properly connect the batteries.
6. Close and secure the engine cover.
WARNING
NEVER lift a transmission alone; enlist the help of at
least one assistant or use a suitable hoist or overhead
crane and sling with a minimum lifting capacity of
1000 lb (454 kg).
MU6800
3
3
4
MU1131
5