DOC-20230111-WA0038.

UNDERCARRIAGE / Swing Bearing
Assemble Swing Bearing
• Be sure to read “Precautions for Disassembly and
Assembly” thoroughly on page W1-1-1 before
starting the assembly work.
2
1. Before installing the swing bearing inner and outer
races, completely remove the oil from the groove
surfaces of oil seals (2) and (5). Apply
THREEBOND #1735 to the groove surfaces, then
install seals (2) and (5).
IMPORTANT: Apply the grease to balls (6) (66
used) , supports (9) (30 used) and
(10) (36 used).
Take care to the assembling
direction of supports (9 and 10) and
balls. Supports (9 and 10) are
different figure. Support (10) is
symmetrical.
First, insert supports (9) and balls
into the swing bearing alternately.
Supports (9) should be installed with
the same direction. After installing
supports (9) completely, all of
supports (9) are in place, install
supports (10) and balls alternately.
Adjust the gap using supports (9)
and (10).
10 9
5
6
W142-03-01-005
CAUTION: Swing bearing weight: 93 kg
(205 lb)
2. Hoist the outer race using lifting tool (ST 0050).
Align the center of the outer race and the inner
race. While rotating the outer race, install ball (6)
and support (9) or (10) into the bearing races in
the order with a round wooden stick.
3. Install plug (4) into the outer race, then install pin
(3).
Crimp the top face fringe of pin (3) with a punch.
Sufficiently lubricate the swing bearing with
grease (Shell Alvania EP2 or equivalent).
3
W1CC-03-01-001
9,10
W142-03-01-006
1
4
W142-03-01-007
W3-1-7