CHAPTER 3
MAINTENANCE INSTRUCTIONS
Section I. REMOVAL OF EQUIPMENT FOR SERVICE
28. Engine Group
To replace tank use reverse procedure.
a. Michiana WASTEX Lubricating Oil Filter
Element. Remove four nuts from eyebolts at top of filter
flanges. Remove cap screws in support straps. Slide
body. Remove cap. Remove filter element. To replace
muffler unit forward and turn for removal either on left or
element reverse this procedure.
right hand side No. 1 or 2 door. To replace use reverse
procedure.
b. Oil Tank-Lube Oil. After oil has been drained
from lube oil tank remove all piping connected to the
tank. Remove left rear door. Remove cap screws from
29. Blower Assembly
legs at bottom of tank. Remove four cap screws holding
a. Blower. Remove ten cap screws from panel at
lube oil tank to panel. Move tank to outer side of hood.
right side of cab. Loosen four cap screws in blower
Turn tank and remove through small door opening. To
base. Loosen adjusting screw. Remove blower drive
replace lube oil tank reverse this procedure.
belt. Remove four cap screws in blower base. Loosen
c. Lube Oil Cooler.
Disconnect shutter arm
cap screw in bellows band. Remove three sheet metal
assembly.
Remove grill and shutter assembly by
screws holding bellows band to blower. On No. 1 end
removing bolts on hood front section. Disconnect piping
turn blower and remove through panel at side of cab.
to lube oil cooler. Remove eight bolts holding lube oil
On No. 2 end turn blower 90 lift over governor and
cooler to frame structure. Cooling unit can be taken
remove through side panel.
from locomotive.
To reassemble reverse this
b. Motor connection bellows. Remove band that
procedure.
holds bellows to traction motor. Remove ten cap screws
d. Air Cleaners. Remove wingnuts on both sides
holding bellows to truck center bolster. To replace
of air cleaner oil sump. Sump will now drop down.
bellows reverse procedure.
Service in accordance with TM 55-1046 and TM 55-
1046-1. Replace air cleaner sump in reverse procedure.
30. Foundation Brakes
e. Dirt Collectors.
Remove bulb and empty
a. Brakeshoe Heads.
Loosen connecting rod
sediments. Replace bulb.
turnbuckle. Remove brake head key. The brakeshoe is
now free to drop toward rail. To replace use reverse
f. Lube Oil Filter. Remove four bolts with retaining
procedure.
lugs. Unscrew wingnuts on top of filter body. Replace
element. To reassemble use reverse procedure.
b. Brake Cylinders. Remove pin from air cylinder
push rod. Disconnect air supply line from rear of
cylinder. Remove four cap screws holding air cylinder
metal screws at top of heater. Disconnect water pipes
to truck. Slide air cylinder toward bumper. Remove air
and fuel lines. Remove four 1/4' cap screws at base.
cylinder at side of bolster. To replace air cylinder,
This will allow unit to be removed from locomotive. To
reverse procedure.
replace unit reverse this procedure.
c. Handbrake Staff. Remove bolt from handbrake
h. Water Heater Tank. Remove No. 3 door, left
staff and chain connection. Remove handbrake head by
hand side of locomotive. Drain tank, disconnect fuel
removing four cap screws. Remove handbrake staff
line. Remove four cap screws at bottom legs. Tank can
through cab.
now be removed from locomotive.
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