Transmission; Theory Of Operation; Maintenance; Fluid Changing - prime mover smx45 Master Service Manual

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Transmission

1. Theory of Operation

This transmission is of the double reduction gear type. The
gears are a combination of helical and straight cut gears for
strength and low noise. The final drive gear is mounted on
opposing tapered roller bearings. The intermediate gear is
mounted on ball bearings. Gears and bearings are enclosed
in an oil filled case. The drive motor is mounted externally
with the drive motor pinion gear mounted on the armature
shaft. The brake is mounted on the drive motor.

2. Maintenance

See "Planned Maintenance Schedule" on page 61.

2.1. Fluid Changing

1. Lower forks.
2. Press red OFF button "O" on the keypad. Depress
main ON/OFF switch to the OFF position.
Disconnect the battery connector from the truck.
3. Remove drain plug to drain transmission oil.
4. Flush transmission case with a safe cleaning
solution and allow it to drain.
5. Clean and install drain plug.
Drain Plug
Figure 2-1: Fill and Drain Locations
NOTE! When the truck is level, the oil must be up
to the bottom of the fill/level opening.
Master Service Manual 2006-08-04
F-code Section
PT S2.0
Transmission
Version no T-code
001 SMX
Fill/Level Plug
C-code
2550
99