AIR/TRANSMISSION SWIVEL ASSEMBLY
Shop Equipment Auto-Maintenance and Repair, FM Suppl No.
Tool Outfit Hyd System; Test and Repair, 3/4 Ton Trailer Mtd
Packings as required
EQUIPMENT CONDITIONS: Air/transmission swivel removed. (Refer to page 15-75.)
d. Place spool on a clean work surface in a dust-
free area and block spool to prevent movement
Any maintenance requiring
disassembly of swivel should
When removing seals and
include replacement of all
rings, avoid scratching the
seals and rings.
grooved and gland surfaces.
1. REMOVE SPOOL (3).
2. REMOVE THE SEALS (6), (7) AND (8) AND RINGS
(9) FROM SPOOL (3).
a. Tag and disconnect pipe extensions and fittings
from bottom of spool.
a. Remove and discard four preformed packings
(6), four crown seals (7), five bronze filled seals
b. Remove clips (1) and screws (2) that retain
(8) and quad rings (9).
c. Withdraw spool (3) from swivel case (10).
Aligning discarded seals and
rings in order of disassembly
will assist with installation of
During routine maintenance,
new seals and rings.
it is not necessary to remove
mounting plate for blocking.
However, if mounting plate is
replacement, remove four
screws (5) and mounting plate