HYDRAULIC SYSTEM
Drive System – Torque Hubs.
IMPORTANT
It is important
that the oil in the Torque Hubs is changed
after the first 50 hours of operation
and then every
1000 hours.
EP150 OIL MUST BE USED
The following procedure is recommended :
Refer to IMPORTANT note at lower right of page.
WARNING
Machine weights are: 16in.18641lbs (8455kg) .
18in.19141lbs. (8682kg.)
Use a jack, and support stands, with the load capacity to Front Wheels.
handle these weights.
Surface must be solid and stable, preferably concrete .
Front Wheels.
•
Position the Jack at the center the front cross beam
and raise the front wheels clear of the ground.
•
Position stands at each side under the cross beam.
Carefully lower the machine onto the stands.
Rear Wheels.
•
Position the Jack under the side beam, in front of the
rear wheel. Raise the wheel clear of the ground.
•
Position the stand under the side beam.
Carefully lower the machine onto the stand.
Repeat at opposite side.
To Drain the Oil.
Remove the bolts retaining the Plate (
A
). Reverse the Plate, Rear Wheels.
with the ‘top hat’ facing inwards, and bolt it back into place.
This releases the Hub Brake allowing the wheel to be turned.
NOTE
The oil should be drained after the machine has been
driven and the oil in the hubs
is warm.
•
Position the drain plug at the bottom. Loosen the fill
plug, to relieve any vacuum. Remove the drain plug.
Catch the oil in a suitable container.
•
Remove both plugs. Clean any metallic particles
from the magnetic faces. Replace the Plugs.
•
Turn the wheel to position the fill plug at the top
and the level/drain plug at 90 degrees to it.
Remove the Level Plug. Torque Hub.
•
Fill the Hub until clear oil exits the level hole.
•
Replace the Level Plug
•
Remove and reverse the Retaining Plate (
A
) to its
original position
•
Jack up the machine and remove the stands.
The above procedure must be carried out on each Torque
Hub at the hours of operation specified .
4-03
IMPORTANT
Refer to page 4-12 for recommended pro-
cedure required, at 1000 hrs of operation, to
check and re-torque the bolts attaching the
rear Torque Hubs to the main frame.
Summary of Contents for 4000 R Series
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Page 75: ...HYDRAULIC SYSTEM Main Conveyor Hydraulic Layout 4 07 ...
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Page 101: ...ELECTRICAL SYSTEM Inter Connect 5 13 ...
Page 102: ...ELECTRICAL SYSTEM Service Panel Under Cab Mount 5 14 ...
Page 103: ...ELECTRICAL SYSTEM Wiring Schematics 5 15 ...
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Page 161: ...ENGINE SECTION 9 Caterpillar Engine Operation and Maintenance ...