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OPERATION 197
MACK TM308M Shifting Instructions
CAUTION
Make sure air pressure is at least 90 psi and unit is warmed before shifting the
transmission. Use of the clutch brake is for shifting into first and reverse gears
only. Do not use the clutch brake to shift out of gear. Be careful not to overspeed
the engine during downshifting. Damage to powertrain components can result.
The TM308M is a non-synchronized transmission having a total of eight
speeds (6+2) with a non-synchronized air shifted compound section. This LO
and HI auxiliary compound section is controlled by an air-shift range selector
valve located on the shift lever. The LO range has two low gear ratios. In HI
range there are six forward gears which can be shifted in the normal manner,
but remember to double-clutch whether moving up or down through the gears.
For normal highway use, start in HI range, first gear and shift through second,
third, fourth, fifth and sixth. The ratio step between fifth and sixth is smaller
than all the other ratio steps. The two gears in LO range are designed for
off-highway use and in slow-moving operations (curb pouring, material
spreading, heavy load, steep grade).
Reverse is used in LO range only. To avoid transmission damage when
shifting Forward to Reverse or Reverse to Forward:
• Bring vehicle to a stop.
• Move lever to NEUTRAL.
• Select low range.
• Select F or R as desired.
• Select lowest lever gear position.
• Release and depress clutch pedal.
Содержание Granite GU Series
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Страница 47: ...36 SAFETY INFORMATION C0029013 1 Right Side Frame Rail 2 Hood Prop ...
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Страница 49: ...38 SAFETY INFORMATION Labels Found on Driver Side Sun Visor C0029832 ...
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Страница 72: ...INSTRUMENTS AND CONTROLS 61 Panel B W3056238 ...
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Страница 82: ...INSTRUMENTS AND CONTROLS 71 Diagnostics W3036575 W3036576 W3036583 ...
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Страница 113: ...102 INSTRUMENTS AND CONTROLS C0029240 C0029241 ...
Страница 235: ...224 OPERATION C0029351 ...
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Страница 284: ...MAINTENANCE AND LUBRICATION 273 C0029851 C0029852 1 Towhook Access ...
Страница 305: ...294 MAINTENANCE AND LUBRICATION C0029434 1 Front 2 Back ...
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