TM 9-2350-247-10
DESCRIPTION AND USE OF DRIVER’S CONTROLS AND INSTRUMENTS — Continued
0004 00
0004 00-10
SL (STEERING LOCK) POSITION – Locks steering wheel in center
position. Used during starting, idling and engine shut down.
R (REVERSE) POSITION – Used for backing the carrier on land or in the
water.
Table 10. DRIVER’S CONTROLS - M548A3 (Continued)
PV (PIVOT VEHICLE) POSITION - Used to turn carrier on its own center.
KEY
RANGE 1-4 – Used to drive carrier in normal forward operation.
RANGE 1-3 – Used when climbing or going down slight grades, driving
cross country at high speeds, and driving on roads at moderate speeds.
CONTROL OR INDICATOR
FUNCTION
RANGE 1-2 – Used when climbing or going down medium grades, driving
cross country at slow speeds, and while in the water.
RANGE 1 – Used when climbing or going down steep grades and when
entering or leaving water; This range provides maximum traction, low speed
maneuvering, and engine braking.
TRANSMISSION SHIFT
CONTROLLER
Selects driving RANGE of automatic transmission.
