CHAPTER 2
OPERATING INSTRUCTIONS
Section I. SERVICE UPON RECEIPT OF LOCOMOTIVE
6. Electrical Equipment
d. After the first few hours of operation, tighten all
nuts, bolts and cap screws holding together parts having
asbestos-lined gaskets between them. This applies
the motors, generators and control equipment (fig. 5).
especially to stud nuts for the engine cylinder heads, the
Inspect all bolts and nuts and tighten if necessary. Give
the control fingers and contacts on the controller and
cylinder head nuts are tightened, the cylinder head
reverser drums a light lubrication with a cloth moistened
gaskets are squeezed together and the valve clearances
with oil. See that all fuses are in place and in good
are changed. Adjust the valve and compression release
condition. Check supply of replacement fuses.
rod clearances as described in TM 55-1046.
b. Check the height of solution in the battery, and
the specific gravity, using a tested hydrometer. See that
9. Air Compressor
all connections to the generator unit and battery are
complete, tight and clean.
approximately three quarts of oil.
7. Mechanical Parts
b. Adjust belts tight enough to prevent slippage.
Examine the mechanical parts to see that
everything is in working order. Check lubrication of
10. Air System
brake rigging and journal boxes.
a. Close all drain cocks on the air reservoirs, air
lines, etc. See that the main reservoir cutout cock,
8. Diesel Engine
brake cylinder cutout cocks and distributing valve cutout
a. Give the diesel engine a detailed inspection and
cock are open.
lubricate all parts as directed under LO 551279 (fig. 5).
b. Refer to TM 55-2029 for information covering
b. Fill the main fuel tank, taking care that no dirt,
operation of the various units in the air brake system.
water, or other foreign substances are admitted with the
fuel.
11. Handbrake
c. Fill the cooling system with clean soft water, or
Check the handbrake to see that its functions
with the correct antifreeze solution if temperatures below
properly.
freezing are likely to be encountered. Water used in the
cooling system should be soft, or as free as possible
12. Sand Supply
from scale forming minerals. If it is impossible to obtain
Fill the sandboxes with clean, dry sand.
soft water, treat the available water with some
commercial water softener.
Section II. CONTROLS
motion of the locomotive by operating two drums which
13. Master Controller
are mounted on the same shaft.
a. The master controller is operated by means of
two levers; these levers, designated as THROTTLE and
b. The throttle drum, operated by the THROTTLE
REVERSE levers, control the speed and direction of
lever, is mounted below the reverse drum and is keyed
to the main shaft. The reverse
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