Takeuchi TL150, Руководство по ремонту

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IV-19
HYDRAULIC UNITS
HST PUMP
7. Install the A pad adapter (on the side of the hy-
draulic pump P2).
a. Install the gasket (23).
• Use a new gasket.
b. Install the A pad adapter (24), and tighten it
with the seven cap screws.
Cap Screw: 36~43 N·m
8. Install the servo piston.
• Use a new piston ring.
• Lubricate the piston ring fully with hydraulic
oil in advance to prevent it from being de-
formed or damaged.
a. Install the O-rings on both sides of the servo
piston (20)
b. Install the piston ring (21) to the servo piston
(20).
• Install the ring only on the side of the tie
bolt (16).
• Allow a few minutes and let the piston ring
(21) contract.
c. Install the servo piston (20) in such a way
that the tie bolt (16) is installed at the marker
side.
• Make sure that the hole for installing the
swash plate bearing faces the center of the
housing.
• Insert the servo piston as far as the piston
ring (21) on the opposite side can be in-
stalled on it.
Take care not to insert the service piston
too far, which may cause the piston be
damaged by the inner edge of the servo
piston.
d. Install the piston ring (21) to the servo piston
(20).
• Allow a few minutes until the piston is
compressed.
e. Push back the servo piston (20).
• Push back the piston until the piston rings
(21) on both sides of the servo piston can-
not be seen.
S3F316E
24
23
< Pump P2 >
S3F324
16 21 20
S3F314E
20
16
Mark
S3F325
16 21 21 20