mxu 400 Workshop-manual : Page 106

                                                                           SPECIAL TOOLS
            Drive System                                         A number of special tools must be available to the
                                                                 technician when performing service procedures in this
                                                                 section.
   NOTE: Some photographs and illustrations
used in this section are used for clarity purposes                             Description                   p/n
only and are not designed to depict actual                       CV Boot Clamp Tool
conditions.
                                                                 Internal Hex Socket
   NOTE: Critical torque             specifications        are   Pinion Gear/Shaft Removal Tool
located in Section 1.
                                                                 Slide Hammer Kit
   NOTE: Specifications regarding the gear cases
                                                                 Gear Case Seal Installer Tool               E014
(capacities, lubricant type, etc.) can be found in
Section 1 of this manual.                                          NOTE: Special tools are available from the
                                                                 KYMCO Service Parts Department.
Ring Gear Backlash   0.28-0.38 mm (0.011-0.015 in.)

Ring Gear End Play   0.1-0.2 mm (0.004-0.008 in.)
                                                                    Front Drive Actuator
GENERAL INFORMATION

All gear cases are tagged beneath a cover bolt. This tag            NOTE: The actuator is not a serviceable compo-
is marked with a production date code, sequence code,            nent. If it is defective, it must be replaced.
and a ratio code.
The "1" or "3.1" on the lower-right corner indicates a              NOTE: The actuator will operate only when the
3.1:1 gear set ratio (11:34 teeth).                              ignition switch is in the ON position.

The die-cast aluminum housings have been assembled               The front drive actuator is located on the side of the
with thread-rolling screws (trilobular). When assem-             front drive input housing. With the engine stopped and
bling with these screws, start the screws carefully into         the ignition switch in the ON position, a momentary
the housing; then use the following torque values.               "whirring" sound can be heard each time the front
                                                                 drive selector switch is shifted. If no sound is heard,
                              New         Reassembled            see Section 5. If the actuator runs constantly or makes
          Size              Housing         Housing              squealing or grinding sounds, the actuator must be
                                                                 replaced.
  M6 (Torx T-30 Recess)     8-9.5 ft-lb      6.5-9 ft-lb
                                                                 REMOVING
  M8 (Torx T-40 Recess)    25-31 ft-lb       21-25 ft-lb

 M10 (Torx T-50 Recess)   37-45.5 ft-lb      31-38 ft-lb          1. Disconnect the connector on the actuator harness.
                                                                  2. Remove the mounting cap screw from the drive-
                                                                     shaft side of the actuator.




                                                                                                                   KC293A
  6-2
                                                                  3. Remove the mounting cap screw from below the
                                                                     actuator on the suspension side.