Takeuchi TB53FR, Workshop Manual

Page: 198 / 447

HYDRAULIC UNITS
CYLINDERS
IV-88
TB53FR
Piston Rod Assembly
1. Fasten the piston rod so that it is flat and install the
rod cover.
• Cover the piston rod thread with tape, etc., to
protect the seals from being scratched.
2. Install the cushion bearing.
a. Install the cushion seal (12).
• Set the side with the slits facing the screw
side.
b. Install the cushion bearing (10).
• Be sure to set with the flat side (A) in the
proper direction.
c. Install the stopper (11) on the piston rod, and
move the cushion bearing (10).
d. Install the snap ring (9).
3. Install the spacer (8) and cushion bearing (7).
• Set the side of the cushion seal with the slits
facing the screw side.
• Be sure to set with the flat side (A) of the
cushion seal in the proper direction.
4. Install the piston.
a. Install the piston nut (6) and tighten it.
Piston nut: Refer to the table below.
b. Insert the steel ball (3).
c. Tighten the set screw (2) and caulk it at two
places with a punch.
Set screw: Refer to the table below.
Piston Nut, Set Screw
Place Piston Nut Set Screw
Boom Cylinder
Arm Cylinder
Bucket Cylinder
Dozer Blade Cylinder
Offset Cylinder
2650
1510
824
2256
2060/1960*
31.5
16.2
15.6
31.5
31.5/16.2*
Unit: N·m
* Serial No. 15810019~
J1D406
2
3
10
9
6
7
8