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In the instructions below, is assumed that the driver is familiarized with the operation of 
Heavy Duty trucks - Towing - can control the shift lever and the clutch to obtain exact 
and smooth shifts, in upshifting and downshifting sequences.  
 
 
Upshifting 
 
 
 Range Change –Deep Reduction to LO Range 
 
 
1.  When  all  Deep  range  gears  have  been  achieved,  pre-select  the  deep  reduction 
selector  button  rearward  to  select  the  LO  range  and  move  the  shift  lever  as  the 
diagram  shows.  When  the  shift  lever  passes  neutral,  the  transmission  will 
automatically change from Deep Reduction to LO range. 
 
 Range Change –LO to HI Range 
 
2.  When all LO range gears have been achieved, pre-select the range selection lever up 
(HI) to select the HI range and move the shift lever as the diagram shows. When the 
shift lever passes neutral, the transmission will automatically change from LO to HI 
range. 
 
 
 
Warning: 
Never move the shift lever to Deep gear position after lo range (LO) or 
high range (HI) was pre-selected, or during the operation in the lo range (LO) or high 
range. 
 
 
 
 
 
 
 
 
 
Operation