180 S450 Operation & Maintenance Manual
HYDRAULIC / HYDROSTATIC SYSTEM (CONT’D)
Removing And Replacing Hydraulic / Hydrostatic Filter
See the SERVICE SCHEDULE for the correct service
interval. (See SERVICE SCHEDULE on Page 134.)
Stop the engine, open the rear door, and remove the rear
grille. (See REAR GRILLE on Page 150.)
Clean the top of the filter housing.
Figure 252
Loosen the bolts (Item 1) and rotate the filter cap (Item 2)
[Figure 252] anticlockwise until the cap clears the bolts.
Slowly pry the filter cap off the housing by hand.
Figure 253
Remove the filter (Item 2) [Figure 253] and discard.
Lubricate the O-ring (Item 1) [Figure 253] on new filter
with clean oil.
Install new filter ensuring that filter is fully seated in the
housing.
Remove the filter cap O-rings (Item 3) [Figure 253] and
discard.
Install new filter cap O-rings and lubricate with clean oil.
NOTE: The filter cap O-rings are not the same size.
Take care to install each O-ring in the correct
location.
Install the filter cap and rotate clockwise to engage the
bolts [Figure 252]. Alternate tightening the bolts to draw
the cap down evenly. Tighten the bolts to 27 – 41 N•m (20
– 30 ft-lb) torque.
AVOID INJURY OR DEATH
Always clean up spilled fuel or oil. Keep heat, flames,
sparks or lighted tobacco away from fuel and oil.
Failure to use care around combustibles can cause
explosion or fire.
W-2103-0508
Install the rear grille and close the rear door.
Start the engine and operate the loader hydraulic
controls.
AVOID INJURY OR DEATH
Diesel fuel or hydraulic fluid under pressure can
penetrate skin or eyes, causing serious injury or
death. Fluid leaks under pressure may not be visible.
Use a piece of cardboard or wood to find leaks. Do
not use your bare hand. Wear safety goggles. If fluid
enters skin or eyes, get immediate medical attention
from a doctor familiar with this injury.
W-2072-EN-0909
Stop the engine and check for leaks at the filter.
Check the fluid level in the reservoir and add as needed.
(See Checking And Adding Fluid on Page 176.)
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