TM 55-2210-224-12
Section III. OPERATION UNDER USUAL CONDITIONS
2-8. GENERAL
a. This section covers procedures you will normally be using in operating the 80-ton, diesel-electric
locomotive.
b. Specific instructions are given for starting, operating, stopping, parking, and shutting down the
locomotive.
c. Throughout this section, guidelines are given for adjusting control settings and operating techniques
as well as the specific operating procedures so that you will be able to readily respond to different
situations when you operate the locomotive.
CAUTION
Know the capabilities of your locomotive. Do not try to make it exceed those limitations.
Know your operator controls and indicators before starting and operating your
locomotive.
2-9. OPERATION OF BRAKE SYSTEM
a. Automatic Brake Valve.
(1)
RELEASE (Running) Position. This position is for charging the brake system and releasing the
locomotive and train brakes. It is located with the brake valve handle at the extreme left of the
quadrant.
(2)
MINIMUM REDUCTION Position. This position is located with the brake valve handle against
the first raised portion on the quadrant to the right of RELEASE position. With the brake valve
handle moved to this position, a minimum of brake force is applied.
(3)
SERVICE Position. This position
consists of a sector of brake valve
handle movement to the right of
RELEASE position. In moving the
brake valve handle from left to right
through this sector, the degree of
brake application is increased until,
with the handle at the extreme right of
this sector, the handle is in FULL
SERVICE position and a full service
brake application is obtained.
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