IV-18
HYDRAULIC UNITS
HST PUMP
d. Insert the pistons (31) in the retainer (32), and
install them to the cylinder block (36).
• Make sure that individual components are
assembled in place.
4. Install the positioning pins (29).
5. Install the drive coupling (27).
6. Install the B pad adapter (on the side of the hy
-
draulic pump P1) as follows:
a. Install the O-rings.
b. Install the B pad adapter (22), and tighten it
with the six cap screws.
Cap Screw: 36~43 N·m
S3F323
31
32
36
T7D105
29
29
S3F317
27
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