Rebuild
18
3A0231E
Rebuild
Disassembly
Refer to F
. 8 for part references in the following proce-
dure.
1.
For models with cycle detection sensors,
discon-
nect the electrical power from the cycle detection
sensors. Note the position of the sensors, then
remove them by loosening the set screws and slid-
ing them out carefully.
2.
Turn off the material inlet pressure to the 1052.
3.
Cycle the valve a few times to remove residual
material pressure.
4.
Turn off the air pressure to the 1052.
5.
Remove the air pressure lines from the air supply
Tee Fittings (17 & 17). Do not remove the fittings
themselves.
6.
Remove the material inlet line from the Inlet Block
(34).
7.
Remove the dispense valve from its mounting.
F
IG
. 8
1
SCREW,CAP,#6-32 x 3
2
NA
DRIVE cylinder end cap
assembly
3
DISPENSE piston
4
u-cup seal
5
O-Ring
6
RETAINING ring
7
WASHER
8
u-cup seal
9
FLOW control
10
DIVORCED section
11
METERING rod
12
SEAL cup
13
posipak SEAL
14
dispense sleeve
15
O-Ring
16
SCREW,shc,#6-32 x 5/8
17
Tee Fitting
18
SCREW,CAP,#6-32 x 2
19
END cap
20
screw,rhm,#6-32 x 1
21
Spool shift piston
22
SEAL retainer
23
posipak SEAL
24
Spool/sLEEVE ASSY
27
MAIN body
27
24
Material Outlet (needle not shown)
Material Inlet (port on side of block)
Cutaway Front View