6 - 16 MTM700 Mobile Terminal / Basic Service Manual MAINTENANCE
Motorcycle Control Head - Reassembly
1. Place the volume knob assembly into the opening.
2. Place the keypad into the front housing.
3. Place the light guide into the housing and fasten it with the screws. Be sure that all screws are 
fastened properly.
4. Make sure that both the volume know and potentiometer are in the fully counterclockwise 
position before inserting the board assembly into the font housing.
5. Snap the board assembly into the front housing and verify that the volume know turns clock-
wise and counterclockwise, and that when you push on it, it sounds a sound.
6. Place the PCB support - see the exploded view for proper direction.
7. Slide the Lock Plate into place.
8. Install the black gasket into the back housing and fasten the back housing to the front housing 
with the screws.
9. Place the gasket, insert the cable connector and mount the connector bracket with the 
screws.
Service Aids
The following table lists the service aids recommended for working on the radio. While all of these 
items are available from Motorola, most are standard workshop equipment items, and any 
equivalent item capable of the same performance may be substituted for the item listed.
NOTE:
Use only the black gasket (Mot.Part.No. 3202113U01) to achieve full IP 57 protection
Table 16   Service Aids
Motorola Part No. Description Application
6666500A01 Housing Eliminator Test Fixture used to bench test the radio 
pcb
6686119B01 Dismantling Tool Assists in the removal of radio control 
head
0180320B16
6680321B81
6680321B56
Torx  Screw Driver Kit (T6,8,10,15,25)
Torx Bit
Insert Bit extra long
T-20 TORX 
(or equivalent)
Screwdriver with torque meter