Fiat Kobelco EX355 Tier2, Technical Manual

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EX355 W2-6-3
SWING DEVICE
WARNING
Remaining component weight
(Housing, shaft,etc.): Approx. 204 kg (450 lb)
8. Turn over housing ( 31 ). Loosen bolts ( 24 ). Re-
move cover ( 26 ).
: 19 mm
9. Remove oil seal ( 25 ) from cover ( 26 ).
10. Push shaft ( 27 ) out of housing ( 31 ) using a press.
Disassemble Swing Device
• Be sure to thoroughly read “Precautions for Disas-
sembly and Assembly” on page W1-1-1 before
starting the disassembly work.
1. Remove plug ( 23 ) to drain oil and disconnect drain
pipe ( 22 ).
Drain oil: 17.0 L (18.0 US qt)
: 27 mm
WARNING
Swing motor weight: 76.5 kg (169 Ib)
2. Put matching marks on the swing motor, ring gear
( 19 ), and housing ( 31 ). Remove socket bolts ( 2 ).
Remove motor ( 1 ) using a crane.
: 10 mm
NOTE - Insert a screwdriver between the motor and
ring gear ( 19 ) to pry the motor up for easy separation.
3. Remove first stage sun gear ( 3 ). Remove first
stage carrier ( 21 ) assembly from ring gear ( 19 ).
WARNING
Ring gear weight: 37 kg (82 lb)
4. Remove socket bolts ( 10 ). Remove ring gear ( 19 )
using a crane.
: 17 mm
NOTE -
Insert a screwdriver to the notches on
housing ( 31 ) to pry ring gear ( 19 ) up for easy separa-
tion.
5. Remove O-ring ( 18 ) from housing ( 31 ).
WARNING
Second stage carrier assembly weight:
42 kg (93 lb)
6. Remove second stage sun gear ( 20 ) and second
stage carrier ( 17 ) assembly.
7. Remove retaining ring ( 16 ) from shaft ( 27 ).