Table 1. Center Panel Controls. - Continued
Key
Control/
Indicator Function
up or the axle differential interaxle power dividers. When
control is set to UNLOCK position, with the transfer case shift
lever set to HI range, the transfer case drives rear axles only.
When DRIVELINE Control is set to LOCK position and
transfer case shift lever set to HI range, the transfer case
drives both front axle and rear axles.
When DRIVELINE Control is set to UNLOCK position and
transfer case shift lever set to LO range, the interaxle
differentials are unlocked allowing them to turn at different
speeds. When DRIVELINE Control is set to LOCK position
and transfer case shift lever set to LO range, the interaxle
differentials are locked, causing all differentials to turn at the
same rate, increasing traction.
TRANSFER CASE
SHIFT LEVER
POSITION
DRIVELINE
CONTROL
POSITION
DRIVING
FRONT
AXLE
INTERAXLE
LOCKUP
ENGAGED
HI UNLOCK NO NO
HI LOCK YES NO
LO UNLOCK YES NO
LO LOCK YES YES
Figure 2.
5 ETHER
START Control
Used to inject ether into engine air intake adapter for cold
weather starting.Use ether start only if outside temperature is
below 45°F (7°C). Press ETHER START control to inject
ether.
6 DEF/CAB
Control
Used to control cab air. When control is set to DEF position,
air defrosts windshield. When control is set to CAB position,
air heats cab interior. When control is positioned between
CAB and DEF, air defrosts windshield and heats cab interior.
TM 9-2320-360-10 0017
0017-3