SUBSECTION 6D
VERTICAL SWING SHAFTS
GENERAL
8. Loosen bearing retainer (16) by re-
moving tie wire (18) and loosening cap-
This subsection covers the removal, dis-
screws (17).
assembly, inspection and repair and the
assembly and installation of the vertical
9. Raise the shaft and the bearings out
swing shaft.
of the bore.
To disassembly the re-
DISASSEMBLY.
maining parts of the vertical swing
VERTICAL SWING SHAFT (2100J1334-1)
shaft,
proceed
follows
(see
GENERAL.
The vertical swing shaft is
driven from the intermediate swing shaft
pinion. It transmits swing torque to the
1. R e m o v e u p p e r b e a r i n g ( 0 9 ) f r o m t h e
swing pinion, which mates with the teeth
shaft if it was not removed during re-
of the ring gear.
moval of the shaft.
REMOVAL. To remove the vertical swing
2. R e m o v e s p a c e r ( 1 0 ) a n d t h e n r e m o v e
shaft,
proceed
as
follows
(see
lower bearing (11).
3. R e m o v e c a p s c r e w s ( 1 7 ) , r e t a i n e r
1. Swing the machine to a position where
(16), gasket (13) and O-ring (15).
the shaft can be reached through an
opening in the carbody. Set the swing
4. Remove
inner
retainer
(14)
and
seal
brake.
(19).
2. Drain the chain case and remove the
INSPECTION AND REPAIR. Prior to as-
c h a i n case covers.
sembly, all vertical swing shaft parts
s h o u l d be inspected as follows:
3. Remove the intermediate swing shaft
as described in Subsection 6C.
1. R e p l a c e n e w o i l s e a l ( 1 9 ) i n b e a r i n g
retainer (14). Install new O-ring (15) in
4. Block the swing shaft to prevent it
retainer (16).
from dropping when the attaching mate-
r i a l is removed.
2. B e a r i n g s t h a t s h o w a n y s i g n s o f w e a r
or damage should be replaced.
5. Remove locknut (01), lockwasher (02)
and spacer (03) from the shaft. Remove
3. R e p l a c e a l l c a p s c r e w s w h i c h h a v e
rounded corners and all other damaged
gear (04) from the shaft.
or worn parts.
6. Loosen bearing retainer (07) by re-
4. I f i n s p e c t i o n r e v e a l s n i c k s , m a r s o r
moving tie wire (06) and capscrews (05).
burrs on machined or ground surfaces,
Remove retainer (04) and shims (08).
use a fine mill file or stone for removal.
Be sure all threaded items are clean and
7. Install an eyebolt in the end of the
that threads are not damaged.
shaft and attach a suitable lifting device
to it (the swing shaft weighs approxi-
m a t e l y 175 Ibs).
Subsection 6D
