CASE CONSTRUCTION CX37C, Operator'S Manual

Page: 181 / 228

6 - MAINTENANCE
Every 1000 hours
Hydraulic oil return filter
WARNING
Burn hazard!
Before performing any service on the hydraulic system, you must allow it to cool. Hydraulic fluid
temperature should not exceed 40 °C (104 °F).
Failure to comply could result in death or serious injury.
W0241A
WARNING
Pressurized system!
Never attempt to drain fluids or remove filters when the engine is running. Turn off the engine and
relieve all pressure from pressurized systems before servicing the machine.
Failure to comply could result in death or serious injury.
W0905A
Replace the hydraulic oil return filter every 1000 h .
1. Release all the pressure in the hydraulic tank. Refer to
page 6-11 .
2. Clean the top of the hydraulic oil tank, and clean the
cover of the return filter.
3. Remove the bolts (1) , the cover (2) and the O-ring (3) .
4. Take out the spring (4) , the by-pass valve (5) , and the
return filter (6) .
5. Install a new filter (6) .
6. Clean and install the spring (4) and the by-pass valve
(5) . Check the O-ring (3) , and replace it if any wear or
damage is found.
7. Install the cover (2) and lock with the bolts (1) .
Tighten the bolts (1) to 55 – 83 N·m ( 40.6 – 61.2 lb ft ).
8. Check the hydraulic fluid level, and fill it if necessary.
SMIL16MEX1474BB
1
6-45