Operator Cab and Controls - Section 32 09/11 OM3238
Page 32-8
Hoist Control Lever
Hoist control lever (3, Figure 32-5) is a four-function,
three-position, hand-operated lever located between
the operator seat and the center console.
Refer to Operating Instructions - Dumping, for more
complete details concerning this control.
Transmission Shift Lever
Transmission shift lever (4, Figure 32-5) is mounted
to the right of the operator's seat.
The transmission shift lever has nine positions (R, N,
D, 6, 5, 4, 3, 2 and L). When moving the shift lever
from N to R, or from D to 6, press the lock button on
the end of the handle to release the lever and allow a
gear change.
R - REVERSE position - is used to move the truck
backwards. Bring the truck to a complete stop before
shifting from DRIVE to REVERSE or vice-versa. The
Reverse warning horn is activated when the
REVERSE position is selected.
N - NEUTRAL position - is used when starting the
engine, during loading and parking the truck with the
engine on. The truck cannot be started unless the
shift lever is in the N - NEUTRAL position.
D - DRIVE position (F1-F7) - When starting from a
stationary position, the transmission will shift auto-
matically into second gear. As the truck ground
speed increases, the transmission will automatically
upshift through each gear to seventh gear operation.
As the truck ground speed slows down, the transmis-
sion will automatically downshift to the correct gear
(including F1) for grade/load/engine conditions.
When conditions permit, select position D for normal
operation.
6, 5, 4, 3, 2 positions - Road and load conditions
sometimes make it desirable to limit the automatic
up-shifting to a lower range. These positions provide
more effective retarding on grades. When the shift
lever is placed in any one of these positions, the
transmission starts in F1, and will not shift above the
highest gear range selected. As the truck ground
speed slows down, the transmission will automati-
cally downshift to the correct gear (including F1) for
grade/load/engine conditions. When conditions per-
mit, select position D for normal operation.
L - LOW position - Use this range position when
maneuvering in tight spaces and when pulling
through mud or deep snow. Use this range position
also when driving up and down steep grades where
maximum driving power or maximum retarding is
required. When the shift lever is placed in L, the
transmission starts in F1, and will only upshift to F2.
When conditions permit, select position D for normal
operation.
DO NOT move the shift lever to the N position
while the truck is in motion. If the selector is
shifted to N while in motion or while descending
a hill the following may occur:
• Steering may be more difficult.
• A lack of cooling oil may cause the braking
system to overheat and fail.
• Damage to the transmission may occur.
• The engine cannot provide braking when the
transmission is not in gear.
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