2-11
TMS800E SERVICE MANUAL HYDRAULIC SYSTEM
Published 01-29-2014, Control # 496-00
Return Filter Assembly
Element Removal
1. Shut down all hydraulic systems.
2. Wipe any dirt from the return filter assembly’s head.
3. Remove the split flange halves and four bolts to
separate the return manifold tube assembly from the
filter. Cap or plug return manifold tube assembly.
Discard the O-ring removed with the return manifold
tube assembly.
4. Remove the four bolts and lockwashers securing the
return filter assembly to the hydraulic tank. Remove the
return filter assembly and its gasket from the hydraulic
tank. Discard the gasket.
5. Remove the four bolts securing the cap to the head.
Remove the cap and its O-ring from the head.
6. Remove the larger diameter spring from the head.
7. Remove the filter element and the smaller diameter
spring from the bowl (housing). Remove the O-ring that
fits between the cap and the filter element.
8. Ensure the new filter element is correct by comparing its
part number with the part number of the used filter
element.
9. Discard the used filter element. Discard the O-ring
removed earlier from around the cap. Also discard the
O-ring from between the filter element and the bowl.
Element Installation
1. Install a new O-ring between the head and the bowl
(housing).
2. Install the new element and the smaller diameter spring
into the bowl (housing). Ensure the spring seats
properly.
3. Install a new O-ring on the cap.
4. Install the larger diameter spring on top of the filter
element. Seat the spring properly.
5. Install the cap on the head and secure the cap to the
head with four bolts.
6. Install the return filter assembly and new gasket over its
mounting holes in the hydraulic tank. Secure the return
filter assembly with four bolts and lockwashers. Torque
bolts, refer to Fasteners and Torque Values pg 1-13.
7. Connect the return manifold tube assembly to the filter.
Seal the return manifold tube assembly-to-filter
connection with the O-ring and secure the return
manifold tube assembly with the split flange halves and
the bolts. Torque the bolts, refer to Fasteners and Torque
Values pg 1-13.
8. Activate the hydraulic system and check for leaks. Make
repairs as needed.
Reservoir Breather
Removal and Replacement
1. Wipe any dirt from the reservoir breather.
2. Unscrew the reservoir breather from the breather line
elbow.
3. Screw the replacement reservoir breather into the
breather line elbow.
CAUTION
Ensure that all hydraulic systems are shut down and the
pressure is relieved.
Reference Only
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