Case 750L, Руководство по ремонту

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DISTRIBUTION SYSTEMS - PRIMARY HYDRAULIC POWER SYSTEM
53. Slowly and completely extend all cylinders. As the
piston rod comes in/out of the cylinder, oil will be
pushed out of the OPEN end of the cylinders.
IMPORTANT: Any attachment or part of an attachment that
is raised must be supported with acceptable equipment to
prevent the attachment from falling.
54. Support any attachments that will be in the RAISED
position.
55. Stop the engine.
56. Disconnect the drain lines and connect the system
lines to the cylinders.
57. Check the oil level in the hydraulic reservoir. Add oil
as required.
58. Install the filler cap on the reservoir.
59. Remove the hydraulic and hydrostatic filter elements
from the machine.
60. Install new hydraulic and hydrostatic filter elements
on the machine.
61. Start and run the engine at 1500 rpm (r/min), oper­
ate each hydraulic circuit to completely extend and
retract the cylinders.
62. Stop the engine and check for leaks. Check the oil
level in the hydraulic reservoir. Add oil as required.
87728445 1 2/28/2008
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