Swash Plate And Journal Bearing; Cylinder Kit Assembly - JLG 3394RT Service And Maintenance Manual

3. Install the inner block spring washer (4), block spring (5),
and outer washer (6) into the cylinder block. Using a
press, compress the block spring enough to expose the
retaining ring groove. Wind the spiral retaining ring (7)
into the groove in the cylinder block.
11
12
10
9
8
4
5
6
7
4. Block Spring Washer
5. Block Spring
6. Outer Washer
7. Spiral Retaining Ring
8. Retaining Ring
Figure 3-18. Cylinder Kit Assembly
4. Turn the block over and install the retaining ring (8),
hold-down pins (9), and ball guide (10) to the cylinder
block.
5. Install the pistons (11) to the slipper retainer (12). Install
the piston/retainer assembly into the cylinder block.
Ensure the concave surface of the retainer seats on the
ball guide. If you're reusing the pistons, install them to
the original block bores. Lubricate the pistons, slippers,
retainer, and ball guide before assembly. Set the cylinder
kit aside on a clean surface until needed.
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9. Holddown Pins
10. Ball Guide
11. Piston
12. Slipper Retainer
– JLG Lift –
SECTION 3 - CHASSIS, PLATFORM & SCISSOR ARMS
6. Install the journal bearings (13) into the housing seats.
Use assembly grease to keep the bearings seated during
assembly. Ensure the locating nubs drop into the cavi-
ties in the seats. If you're reusing the bearings, install
them in the original location and orientation. Lubricate
the journal bearings.
14
13
13. Journal Bearings
14. Swash Plate
Figure 3-19. Swash Plate and Journal Bearing
7. Install the swashplate (14) into the housing. Tilt the
swashplate and guide the servo lever ball into its socket
in the servo piston rod. Ensure the swashplate seats into
the journal bearings and moves freely. Lubricate the
running surface of the swashplate.
13
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