750-91 (revised 2009)
Model CB-LE Packaged Boiler Manual
9-15
9.2 — Parts Lists and Drawings
Gas Train
E
D
F
80"
-
80"
-
M3,M4,M5
M1,M2,
MAIN GAS TRAIN
OVERALL LENGTH
TABLE 1
300-350 3" 3/4" 1-1/4" M5 M6 M5 S1 P1 P2
250 3" - 1-1/4" M3 M3 M5 S1 P1 P2
SIZE
HORSEPOWER TRAIN VENT VALVE SIZE SCHEMATIC SCHEMATIC SCHEMATIC
BOILER MAIN GAS TRAIN STARTER TRAIN PILOT TRAIN
ITEM QTY P/N DESCRIPTION USED ON
36 2 868-404 CAPSCREW QTY 3 ON 4" GTS
35 2 869-21 HEX NUT QTY 3 ON 4" GTS
34 2 952-145 WASHER QTY 3 ON 4" GTS
33 2 952-92 LOCKWASHER QTY 3 ON 4" GTS
32 2 928-44 STRAP QTY 3 ON 4" GTS
31 4 869-36 HEX NUT QTY 6 ON 4" GTS
30 4 952-133 WASHER QTY 6 ON 4" GTS
29 4 952-114 LOCKWASHER QTY 6 ON 4" GTS
2 7-77 U-BOLT 3" GTS
1 847-562 ELBOW 4" X 3" 250-350 HP
26 1 858-336 FLANGED UNION 3" 250-350 HP
1 859-87 ELBOW 3" 250-350 HP
1 157-81 ELBOW 3" W/ TEST CONN. 150-350 HP
27
25
25
27
26
25
1/2" TYP.
TYP
22
24
24
23
17
16
TYP
19
16
TYP
201821
23
24
S2
S3
TYP TYP
C
A
B
23
S1
STARTER GAS TRAIN
PILOT GAS TRAIN
P1
P2
P3
42
41 2
2
8A15
868-135
GAS PILOT BRACKET
CAPSCREW
FUEL 101, 600
FUEL 101, 600
( SEE NOTES 5 ) 1/2" X 1/2"
M6
X 1/4" TYP.
TYP
21
21
OPTION
B3
B3
B3
STD & FM IRI
STD FM IRI STD & FM IRI
ALL INS.
24
25
27