DISTRIBUTION SYSTEMS - PRIMARY HYDRAULIC POWER SYSTEM
PRIMARY HYDRAULIC POWER SYSTEM - Decontaminating (A.10.A
- F.30.A.60)
435, 445, 445CT
1. Start and run the engine at 1500 rpm (r/min).
2. Completely retract the cylinders of all attac hments
on the machin
e. Angle the blade to the right, the
right cylinde r will be fully retrac ted and the left w ill
be fully extended. Stop the engine.
WARNING
39-4 - If retracting the cylinder rods causes the
attachment to be raised, block the attachment in place
before proce
eding to the next step.
3. Move each control lever in both directions to release
pressure in
the hydraulic circuits.
4. Loosen and remove the filler cap from th e reservoir.
5. Drain th e hy dra ulic oil from the rese rvo ir.
(A) Have available acceptable equipment to drain
the hydraulic oil.
(B) Remove the drain plug from the bottom of the
reservoir.
6. Remove the hydraulic and hydrostatic filter elements
from the machin e .
7. Install new hydraulic and hydrostatic filter elements
on the machine.
8. Install the drain plug in the bottom of the reservoir.
9. Fill the hyd raulic reservo ir. Reservoir - Filling
(A.10.A.22 - F.60.A.10)
10. Disc
onnect the line from the OPEN end and
CLOSED end of each cylinder.
11. BesureallcontrolleversareintheNEUTRAL
position.
12. Start and run the engine at low idle.
IMPORTANT: Check the oil level in the hydraulic reservoir
frequently while doing step 13. Have another person hold
a container under the hydraulic lines while you do step 13.
13. Slowly m ove each control lever in both directions
until oil begins to flow from the open line. Hold the
control lever in place until clean oil flows from the
open line.
14. Stop the engine.
15. Connect the system line to the CLOSED end of
each cylinder.
16. Connect a suitable drain line to the OPEN end
of each cylinder and place the other end in an
acceptable container for contaminated oil.
17. Start the engine and run the engine at low idle.
1 04/05/2005
A.10.A / 25
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