Graco 25T991, Инструкция - Каталог запасных частей

Страница: 19 / 52

Repair
3A8476A 19
Nozzle Adapter Removal
1. Loosen the turnbuckle locking nut (101) by turning it
counter clockwise as seen facing the main body of
the SST Switch 3D Gun. The nut rotation will
separate the 3 head adapter assembly (105) away
from the 3D long tube assembly (103).
2. Discard adapter gasket (102) and valve shut off
bearing (104). See F
IG
. 18.
Central Body Removal
1. Loosen the turnbuckle locking nut (101) by turning it
counter clockwise as seen facing the main body of
the SST Switch 3D Gun. The nut rotation will
separate the 3D long tube assembly (103) away
from the 3D center body (301). Discard adapter
gasket (102).
2. Loosen the two M5 SHCS screws (203) with a hex
key wrench and remove the lock ring assembly
(201) along with the washer (202).
3. To release the pressure on the internal seals and
ease disassembly, align access holes on the 3D
center body (301) with the four M6 screws (503) and
loosen the screws.
4. Tap the 3D center body (301) out of the swivel
housing assembly (511) using a soft face mallet.
See F
IG
. 19.
Swivel Housing Disassembly
1. Dust seal ring (501) can be removed from the air
distribution ring bearing (504)
2. Remove flange bearings (502) and discard.
3. Remove M6 flathead screws (503) with a hex key
wrench and remove the air distribution ring bearing
(504).
4. Remove the four O-rings (505) and four air seals
(506) from the air distribution ring bearing (504) and
discard.
5. Tap the internal components (507-510) out of the
swivel housing assembly (511). It is recommended
to use seal installation /removal tool 17V972 and a
soft face mallet to tap the internal components from
the swivel housing.
6. Discard the rotary seals (508). See F
IG
. 20 on page
20.
F
IG
. 18
104
103
101
102
105
F
IG
. 19
301
301
101
102
103
503
101
201
203