CleaverBrooks 4WI - 9.2.22 - 78” Burner Drawer, Gas Pilot, HI-TD, 250-300 HP Parts

Parts
9-28
750-211 (revised 2009)
Promethean Boilers, Model 4WI Manual
9.2.22 — 78” Burner Drawer, Gas Pilot, HI-TD, 250-300 HP
15 39
16
3 45
DIRECTION
TO OPEN
29 30
22
23
1
39
1110 27 39
28 34
20 45
26
34 35 41
39
18
12 40 32
25
31
13
21
40 19
38
42
OPENING IN BACKPLATE CASTING
MUST BE LOCATED IN HORIZONTAL
AS SHOWN.
24
2
94344
SEE NOTE #2
39
MAX.
MIN.
3/32"
38
8
33
6
(OIL ONLY)
17
12 7
5
28
GAS SPUD
4. WHEN NOZZLE BODY IS ASSEMBLED TO BURNER DRAWER PLUGGED
DIFFUSER FINS TO BE 3/4" FROM INSIDE EDGE OF BNR. HSG. FLANGE.
EDGE OF DIFFUSER FINS MUST BE HELD, FOR OIL ONLY BURNERS
3. 1/4" DIM. BETWEEN INSIDE EDGE OF GAS SPUDS AND OUTERMOST
2. 1/4" DIA. HOLE IN TUBE (ITEM #7) SHOULD BE ON BOTTOM C
THE NOZZLE TIP AND GAS PILOT MUST THEN BE ADJUSTED TO
(GAS OIL COMB.)
36 37
BURNER
HOUSING
SEE NOTE #3
HOLE SHOULD BE LOCATED ON BOTTOM C
DIMENSION SHOWN RELATIVE TO DIFFUSER.
BE DETERMINED ON THE BOILER AND SET AS DIMENSIONED.
1. THE LOCATION OF THE DIFFUSER (22-1/8" DIM.) MUST
NOTES:
L
L
3/8" APPROX.
1-1/2"
22-1/8" APPROX. SEE NOTE #1
1"
3/4"
1/4"
3/16"
1/4"
1/4"
7/16"