Komatsu 830E-AC Shop Manual page 721

3. Press four roll pins (23) into saddle (20) until
they bottom, then press saddle bearing (24)
onto the pins to locate the bearing in the saddle.
Extreme care should be used to prevent damage
to saddle bearing surfaces while installing the
saddle into the pump housing.
FIGURE 5-27. STROKE ADJUSTER ASSEMBLY
1. Stem
2. O-Ring
4. Use a long brass bar and a mallet (or an arbor
press), to install saddle and bearing assembly
into pump housing. Tap or press ONLY on the
area of the saddle that is exposed between the
saddle bearings (DO NOT tap on bearing sur-
faces). Saddle is fully seated when a distinct
metallic sound is heard when installing saddle
into pump housing.
L05035
3. Gland
4. Jam Nut
Steering Component Repair
5. Fasten control link (17, Figure 5-25) to swash-
block (25) using link pin (16) and two retaining
rings (14).
6. Be sure the two dowel pins (19), are pressed
into swashblock (25).
7. Insert swashblock (25) into pump housing (20,
Figure 5-24) until it engages in saddle bearing
and allow swashblock to settle to its lowest nat-
ural position.
8. Retain by installing two swashblock retaining
pins (19) and O-rings (18) in place. Once
pinned, make certain swashblock strokes
SMOOTHLY in the saddle by pulling firmly on
the free end of control link (17, Figure 5-25).
Driveshaft Group
NOTE: Be sure punch marks on cylinder bearing (26,
Figure 5-25) will face toward shaft end of pump.
9. Insert cylinder bearing (26) straight into pump
housing. Be sure bearing is positioned so bear-
ing retainer pins (17, Figure 5-24) can be
inserted in the case and into the bearing.
10. Install O-rings (18) on pins (17) and install pins.
11. An arbor press is required to install shaft bear-
ing (2) onto driveshaft (1). IMPORTANT - press
ONLY on the inner race of the bearing. Press
bearing until it contacts the shoulder on drive-
shaft.
12. Use a long 153 mm (6 in.) sleeve with an I.D.
slightly larger than the retaining ring I.D. and
press retaining ring (4) towards bearing until it
seats in the groove.
13. Place seal retainer (21) over seal (24) inside the
pump housing (20). Lubricate shaft seal with
clean hydraulic oil.
14. Install entire driveshaft assembly through the
front of the pump housing. A mallet will be
required to install the driveshaft through shaft
seal (2).
15. Once the driveshaft assembly is fully seated
within the pump housing, install snap ring (3).
L5-37