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194 OPERA TION
The TM309M a non - synchronized transmission having a total nine speeds (6+3) with air shifted non - synchronized compound This and auxiliary compound section controlled air - shift range selector valve located the shift lever The range has three low gear range there are six forward gears which can shifted the normal manner , but remember double - clutch whether moving down through the F o r n o r m a l h i g h w a y u s e , s t a r t i n H I r a n g e , first gear and shift through fifth and The ratio step between fifth and sixth smaller than all the other ratio The three gears range are designed for f - highway use and slow - moving operations (curb pouring, material spreading, heavy load, steep grade). Only start the lowest gear necessary move the vehicle. The extreme gear (1st low) intended for vehicular speed control and not for torque multiplication.
Reverse used range only . T o avoid transmission damage when shifting Forward Reverse Reverse Forward:
• Bring vehicle a stop.
• Move lever NEUTRAL.
• Select low range.
• Select F R
• Select lowest lever gear position.
• Release and depress clutch
• Select desired gear .
Caution
V ehicle operators must use extr eme caution operating a truck the higher r everse gears. Higher r everse gears will oduce high r everse speeds which may difficult for drivers contr dependent terrain obstacles.