Hydraulic System; Hydraulic System; Service Specifications - Case CX75SR Operator's Manual

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SERVICE SPECIFICATIONS

Check the hydraulic reservoir fluid level .......................................................................... Every 10 hours or each day
Check the lines ....................................................................................................................................Every 50 hours
Replace the hydraulic breaker return circuit filter (optional) ..............................................................Every 100 hours
Draining water and sediment from the hydraulic reservoir ................................................................Every 250 hours
Check the condition of the hydraulic fluid ........................................................................................Every 1000 hours
Replace the pilot filter ......................................... Every 1000 hours (after the first 50 hours during the run-in period)
Replace the reservoir breather ........................................................................................................Every 1000 hours
Clean the inlet filter..........................................................................................................................Every 2000 hours
Replace the return filter ...................................... Every 2000 hours (after the first 50 hours during the run-in period)
Replace the Ultra Clean filter...........................................................................................................Every 2000 hours
Replace the inlet filter ......................................................................................................................Every 5000 hours
Change the hydraulic fluid ...............................................................................................................Every 5000 hours
Capacity of the reservoir
CX75SR, CX80 ............................................................................................................................ 50 liters (13 gal)
CX135SR ...................................................................................................................................... 81 liters (21 gal)
Total capacity of the system
CX75SR, CX80 ............................................................................................................................ 95 liters (25 gal)
CX135SR .................................................................................................................................... 125 liters (33 gal)
Oil type ........................................................................................................................Case Hy-Tran Ultra (MS 1209)
Replace the hoses.......................................................... Every 2 years or every 4000 hours (whichever comes first)
NOTE: If the machine is new or if a major
component has been overhauled or replaced in the
hydraulic system, replace the pilot filter and return
filter after 50 hours of operation. After that, replace
these filters at the stipulated interval.
IMPORTANT: Every 1000 operating hours, it is
necessary to have the hydraulic fluid analyzed. See
your Dealer.
IMPORTANT: After replacing the hydraulic fluid, it is
necessary to bleed all air from the hydraulic
components. See Bleeding air from the hydraulic
components.
IMPORTANT: If metal filings are discovered in the
replaced filters, see your Dealer.
WARNING: Before carrying out any service
work on the hydraulic system it is necessary
to allow it to cool down (the temperature
should not be more than 40°C (104° F).
6-34551NA
CHAPTER 5 - LUBRICATION, FILTERS, AND FLUIDS

HYDRAULIC SYSTEM

Issued 8-04 Bur
WARNING: Hydraulic
injected into your skin can cause severe
injury or death. Keep your hands and body
away from any pressurized leak. Use
cardboard or paper to check for a leak. If fluid
is injected into your skin, see a doctor
immediately and have the fluid removed.
WARNING: Before
carrying
operation on the hydraulic filters or the
hydraulic system, the pressure must be
released from the system. Failure to observe
this instruction can cause injury. See
Releasing pressure in the hydraulic system.
fluid
or
grease
out
any
5-33

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