Transmission Operation
Eaton Fuller Manual
The transmission provides eight highway ratios, plus a LO gear and a LL1 and LL2 gear for
extra pulling power. There are three reverse ratios.
The transmission has a five speed front section and a three speed auxiliary section which
has an extra deep reduction gear. The LO ratio in the front section is used only as a starting
gear. The other four ratios are used once in Low Range and one again in High Range.
Always preselect the range shift. After preselection and moving the shift lever, the
transmission will automatically make the synchronized range shift as the lever passes
through neutral.
LL1 is selected by the Deep Reduction Button mounted on the shift lever. When operation
in ratios from LO to 8th the Deep Reduction Button should be in the REARWARD position.
Move the Deep Reduction Button into the FORWARD position to select LL1. This shift
should only be made with the transmission in Low Range and the shift lever in the LO
speed gear position.
DOUBLE - CLUTCHING – Always double-clutch when making lever shifts. Use the
following double - clutching procedure when upshifting and downshifting:
1.
Depress pedal to disengage clutch.
2.
Move gear shift lever to neutral.
3. Release pedal to engage clutch.
A. Upshifts - decelerate engine until engine RPM and road speed match.
B. Downshifts - accelerate engine until engine RPM and road speed match.
4. Quickly depress pedal to disengage clutch and move gear shift lever to next gear
speed position.
5. Release pedal to engage clutch.
221P/N 12261-683 REVISED: January 2015
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