TM 9-2320-363-10
2-18. DRIVING TIPS (Con’t).
(d)
The anti-lock brake system (ABS) will help in controlling
wheel lockup and tire skidding during an emergency.
d.
On M915A2, engage interaxle lockout as required.
DO NOT actuate interaxle lockout control valve while
tires are slipping. DO NOT operate vehicle continuously
with interaxle lockout control valve locked during
extended good road conditions. Damage to axle gearing
and excessive tire wear could result.
NOTE
ABS warning light blinks when interaxle lockout is
engaged.
(1)
To lock interaxle, ease up on accelerator pedal momentarily
and move interaxle lockout control valve lever to LOCK position while maintaining
vehicle speed. Axle lock indicator light comes on. Proceed over poor road conditions
with caution. Do not wait until traction is lost and tires are spinning before locking
interaxle.
(2)
To unlock interaxle, place interaxle lockout control valve lever
in UNLOCK position and remove foot from accelerator. Observe that axle lock indica-
tor light goes off. System is now unlocked.
e.
For all except M915A2, engage ail-wheel drive as required.
DO NOT actuate all-wheel drive control valve while vehi-
cle is in motion. Do not operate vehicle continuously
with all-wheel drive control valve engaged during
extended good road conditions. Damage to axle gearing
and excessive tire wear could result.
NOTE
All-wheel drive may be engaged in two ways. Perform
either step (1) or step (2) to engage.
(1)
With vehicle stopped and transfer case selector in HIGH
range, place all-wheel drive control valve lever to ENGAGE position. Axle lock indica-
tor light will come on and all-wheel drive is now engaged.
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