MYY & MZZ Transmission-15 GEAR SELECT & SHIFT CONTROL 1. Select Lever 2. Shift Lever 3. Interlock Plate (Move to Select Direction) 4. 4th-5th Main Shift Block (Fixed to Rod) 5. 4th-5th Sub Shift Block (Fixed to Rod) 6. 4th-5th Relay Lever 7. 4th-5th Shift Rod 8. 4th-5th Shift Arm (Move on The Rod) 9. 1st-Reverse Shift Block (Fixed to Rod) 10. 2nd-3rd Shift Arm (Move on The Rod) 11. 2nd-3rd Detent Groove 12. 1st-Reverse Shift Arm (Fixed to Rod) 13. 1st-Reverse Detent Groove 14. 1st-Reverse & 2nd-3rd Shift Rod Assembly Condition 2nd-3rd Shift Arm & 4th-5th Shift Block at * Mark 1. 4th-5th Main Shift Block 2. Turn Protection Pin 3. 2nd-3rd Shift Arm 4.
4th-5th Shift Block Turn Protection Pin Slot Twin-rod shift control type is adopted for gear shift control. According to adoption of twin-rod shift control type, interlock plate has attached to prevent "double engagement". The section view of interlock plate is "T" shaped type. The lower projection fits to shift block. According to select lever operation, it moves in hollow of the shift block and prevents shift block movement other than selected gear. -4th-5th main shift block and 4th-5th sub block are fixed at 4th-5th shift rod. When shifting to 4th or 5th, both shift blocks are moved and then 4th-5th shift arm is moved by meaning of 4th-5th relay lever movement.
-1st-reverse shift block and 1st-reverse shift arm are fixed at 1st-reverse & 2nd-3rd shift rod. When shifting to 1st or reverse, moved at the same time. -2nd-3rd shift arm is one with shift block. When shifting to 2nd or 3rd, it moves on the 1st-reverse & 2nd-3rd shift rod.