Table 8-2, He- 111 − corrective maintenance – AERCO SWDW68 U-Tube Double-Wall Heaters w/ECS User Manual
Page 60
HE-
111 − CORRECTIVE MAINTENANCE
Rev B Mar 2013
8-6
Table 8-2. PARTS LIST FOR VALVE ASSEMBLIES, TYPE CXT-E ( SIZES 2.50” TO 4.00”)
VALVE SIZE AND PART NUMBERS
ITEM
QTY
PART NAME
2.50 INCH
3.00 INCH
4.00 INCH
1
1
VALVE BODY
20765-1
20766-1
20775
2
1
SEAT CAGE
16961
161004
161046
3
1
BOTTOM PISTON
16962
161007
161048
4
1
PISTON RETAINING RING
122173
122173
122234
5
1
VALVE PLUG SHAFT
16972
161006
161047
6
1
TOP PISTON
16970
161005
161050
7
1
VALVE SEAT
121935
122032
122178
8
1
VALVE SEAT RETAINING DISC
121934
122031
122177
9
4
10-32 x 3/4” LG. SOCKET HD.
CAP SCREW
122174
122174
122238
10
1
PILOT SPRING
122081
122232
121823
11
1
PILOT SPRING RETAINER
122082
122082
122173
12
1
VALVE STEM
122648
122658
122659
13
1
VALVE TOP GASKET
122083
122204
122203
14
4
CAP SCREW 5/8-11 x 1-1/2” LG.
N/A
6-310
6-310
15
2
3/8-16 NUT (4” VALVE ONLY)
N/A
N/A
6-264
16
1
LOWER SHAFT
122223
122230
122224
17
2
HEX NUT, 1/4-20
6-226
6-226
N/A
18
1
PACKING NUT
122664
122665
122665
19
2
3/8-16 x 5/8” LG. CAP SREWS
54014
54014
54014
20
1
PACKING ASSY
121567
121568
121568
21
1
VALVE TOP
18781
18823
18824
22
1
SEAT BACK-UP RING
122326
122327
122328
23
1
LOCKWASHER
122666
122667
122667
24
1
SEAT CAGE GASKET
123084
123085
123086
25
2
1/4” HEX HD. NPT PLUG
9-22
9-22
9-22