SERVICING MACHINE AFTER TRANSMISSION OVERHAUL
5. On remote mounted torque converters remove drain
The transmission, torque converter, and its allied
plug from torque converter and inspect interior of
hydraulic system are important links in the drive line
converter housing, gears, etc.
If presence of
between the engine and the wheels. The proper
considerable foreign material is noted, it will be
operation of either unit depends greatly on the condition
necessary that converter be re. moved, disassembled
and operation of the other; therefore, whenever repair or
and cleaned thoroughly. It is realized this entails extra
overhaul of one unit is performed, the balance of the
labor; however, such labor is a minor cost compared to
system must be considered before the job can be
cost of difficulties which can result from presence of
considered completed.
such foreign material in the system.
After the overhauled or repaired transmission has
6. Reassemble all components and use only type oil
been installed in the machine, the oil cooler, and
recommended
in lubrication section.
Fill
connecting hydraulic system must be thoroughly
transmission through filler opening until fluid comes
cleaned. This can be accomplished in several manners
up to LOW mark on transmission dipstick. NOTE: If
and a degree of judgment must be exercised as to the
the dipstick is not accessible oil level check plugs
method employed.
are provided.
The following are considered the minimum steps to
Remove LOWER check plug, fill until oil runs
be taken:
from LOWER oil hole. Replace filler and level plug.
1. Drain entire system thoroughly.
Run engine two minutes at 500-600 RPM to
prime torque converter and hydraulic lines. Recheck
2. Disconnect and clean all hydraulic lines. Where
level of fluid in transmission with engine running at
feasible, hydraulic lines should be removed
idle (500-600 RPM).
from machine for cleaning.
Add quantity necessary to bring fluid level to
3. Replace oil filter elements, cleaning out filter
LOW mark on dipstick or runs freely from LOWER
cases thoroughly.
oil level check plug hole. Install oil level plug or
dipstick. Recheck with hot oil (180-200 F.) [82, 2-
4. The oil cooler must be thoroughly cleaned. The
93, 3 C].
cooler should be "back flushed" with oil
and
compressed air until all foreign material
Bring oil level to FULL mark on dipstick or runs
has
been removed. Flushing in direction of
freely from UPPER oil level plug.
normal oil flow will not adequately clean the
cooler. If
necessary, cooler assembly
7. Recheck all drain plugs, lines, connections, etc., for
should be removed
from
machine
for
leaks and tighten where necessary.
cleaning, using oil,
compressed air and
steam cleaner for that purpose. DO NOT use
flushing compounds for cleaning purposes.
TORQUE IN (LBS.-FT.)
BOLTS, CAPSCREWS, STUDS AND NUTS
Grade 5 Identification, 3 Radial
Grade 8 Identification, 6 Radial
Dashes 120 Apart on Head of Bolt
Dashes 60 Apart on Head of Bolt
LUBRICATED OR PLATED
Grade 5
Grade 8
Nominal
Thread Size
FINE THREADS
COARSE THREADS
FINE THREADS
COARSE THREADS
3/8
26-29 [3, 6-4, 0m.kg]
23-25 L3, 2-3, 4m.kgl
37-41 L5, 1-5, 6m.kgi
33-36 [4, 6-4, 9m.kg]
7/16
41-45 [5, 7-6, 2m.kg]
37-41 15, 1-5, 6m.kgl
58-64 18, 0-8, 8m.kgl
52-57 17, 2o7, 8m.kgl
1/2
64-70 [8, 8-9, 6m.kg]
57-63 [7, 9-8, 7m.kg]
90-99 112, 4-13, 6m.kg]
80-88 [11, -12, 1m.kg]
9/16
91-100 [12, 6-13,
82-90 L11, 3-12,
128-141 L17, 7-19,
115-127 [15, 9-17, 5m.kg]
8m.kg]
4m.kg]
4m.kg]
29