Allis-Chalmers HD-4 - Page 32

500 HOURS
TORQUE CONVERTOR &: POWER SHUTTLE
CLUTCH PRESSURE LINE FILTER
TORQUE CONVERTOR &: POWER SHUTTLE
CLUTCH PRESSURE LINE FILTER (500 Hours)
Flow from pump is directed to a pressure line
filter located behind the front grille guard. This
filter has a replaceable element.
WHEN TO 0lAN:iE OIL AND FILTERS - TORQUE
CONVERTOR AND SHUTTLE CLUTCH
Oil - The oil should be changed in the torque con-
vertor and shuttle clutch every 500 hour s of
operation, or oftener, depending upon the oper-
ating conditions. Also, the oil should be changed
whenever it shows traces of dirt or the effects of
high operating temperature.
Overheated oil becomes discolored and has a
strong odor. 1£ the oil is contaminated, the
system should be drained.
~ - On a new crawleT tractor, change the
filter element after the first 50 hours of oper-
ation and every 500 hours thereafter, or sooner
if the Red indicator button raises.
The filter unit has an indicator on top as sho\Vl1.
Check with engine operating at high idle. If red
plunger is visible or in raised position, excessive
back pressure is present in the filter head in-
dicating the filter element must be replaced ..
This Check must be made with oil at its operating
teTIlperature. Use only a filter element supplied
by your ALLIS-CHALMERS dealer.
24
FILTER SASE
Q-C.RIM;
~BACK-UP RIM;
HOW TO CHANGE THE TORQUE CONVERTOR
AND SHUTTLE CLUTCH OIL
The capacity is 33 quarts. Use type ttAII (Suffix
A identification).
Front compartment is drained by removing plug
from front compartment cover.. Rear compart-
ment is drained by removing plug from rear
cover. Approximately 16 quarts vvill be drained
from the front COlllpartment and 8 quarts frolll the
rear compartTIlent. The remaining 9 quarts of
fluid will remain trapped in the torque convertor,
lines and pump, and cannot be drained.
When refilling torque tube, the following pro-
cedure l"'nust be followed to insure that the level
of fluid in both cOTIlpartments is correct:
Replace 16 quarts of new Type trAll Suffix A trans-
TIlission fluid through the torque tube filler at rear
R. H. side of torque tube. This 16 quarts of fluid
will
completely fill the rear compartment.