International Harvester Company 15D-2 Operator's Manual page 24

INSTALLATION
Hydro-ulic tests after installation
(Models
150·2,
and
15G.2
only)
1.
Prepare unit for test by assuring that
the hydraulic system has been filled with proper
oil and purged of air. Wipe all oil from external
surfaces and connections.
2. Operate the unit through "RAISE, "
"HOLD," "LOWER" and "FLOAT" cycles five
to six times to assure proper function without
unusual pump noise.
If
no operational defect
or leakage is obvious. proc eed to the next
phase.
3. Operate the unit in "LOWER" position
under full throttle until the temperature of the
hydraulic system reaches 160°F. Reduce en-
gine speed to half throttle, maintaining the
"LOWER" position and make visual examination
for leakage at the cylinders, pump, control
valve and connections.
NOTE: This portion of the test should not
exceed ten minutes duration.
4. Raise the blade to the maximum height
and place the valve in the "HOLD" position.
Wait 60 seconds and check for excessive drift.
NOTE: Piston rods should not travel out
of the cylinder more than 5/16 inch in 60 seconds.
REEVING
MODELS 150.1, 15G.1, 150·3 AND 15G.3 ONLY
Bulldozer and Bu"grader
•
CAUTION: Reeving must be done with
the blade resting on level ground and the
tractor engine stopped.
When reeving. follow the reeving diagram
for your bullgrader or bulldozer on this page.
In following the steps shown on these dia-
grams. start with sheave one and r,eeve to the
cable control unit drum. in the numerical order
indicated.
Always fasten the live end of the cable to
the cable drum before anchoring the dead end.
Machine s using the Model 110 cable control
unit should have approximately five wraps of
cable on the drum. Machines using the Model
P-25 or P-29 cable control unit, should have
approximately four wraps of cable on the cable
drum. This is approximately 13 feet. of cable
on the Model 110 and 11 feet of cable on the
Model P-29 or P-29, which will allow for aver-
age digging depth.
lIIu.t. 26
Removing the cabl. from the r•• 1 or coil.
The use of 6 x 25, preformed, right hand
regular lay, independent wire rope center, im-
proved plow steel, 1/ 2-inch wire rope is recom-
mended.
NOTE: For maximum cable life, replace
worn cable with cable of the recommended spec-
ifications. Abuse or kinking affects cable life
materially.
Upper sheaves
~
Cable anchor
Corner
sheave
control unit
Lower sheaves
IPA-56271,A
lIIust. 27
Cabl. reeving diagram
(Models
150·1
and
15G·l
only \.
22