4 - MAINTENANCE & TROUBLESHOOTING
© Fulton 2018
4-12
VSRT_IOM_2018-1213
PREMIX AND PRESSURE SWITCH
BILL OF MATERIAL
U.O.M.
QTY
DESCRIPTION
PART NUMBER
ITEM
EA.
2
5" ID X 6" LG. NITRILE FLEX COUPLING
2-12-290036
5
EA.
4
1/4-20 X 5/8" HHCS, SAE GR. 5 BOLT
2-22-000008
2
EA.
1
10-24 X 1/2" UNC HEX HEAD SELF TAPPING SCREW
2-22-000033
9
EA.
4
1/4" USS FLAT WASHER
2-22-000039
10
EA.
4
IDEAL 5.25" - 5.56" ID SS T-BOLT BAND CLAMP - 30010-0525
2-22-000431
12
EA.
4
1/4-20 UNC HEX SERRATED FLANGE NUT
2-22-001000
6
EA.
1
1/4" FNPT X 1/4" MNPT BALL VALVE CSA
2-30-000282
15
EA.
1
DUNGS PRESSURE SWITCH .16" - 1.2" WC (GAO-A4-4-2)
2-30-005098
16
EA.
1
1/4" THREADED TEE
2-35-000204
18
EA.
1
1/4" 3000# PLUG
2-35-000306
19
EA.
2
1/4" X 1 1/2" - NPT SCH 80 NIPPLE
2-35-000394
20
EA.
1
SINGLE POLE IGNITION TRANSFORMER 6KVA 120/60
2-40-000082
12
EA.
1
VSRT TRANSFORMER BRACKET
5-05-290029
13
EA.
1
VSRT-30 - PREMIX ELBOW WITH PRESSURE SWITCH COUPLING
5-10-290021
26
26
5
12
12
ONCE ELBOWS ARE ALIGNED,
TORQUE IN 2 STAGES IN STAR
PATTERN AS DETAILED ABOVE
STAGE 1: 40 FT-LB
STAGE 2: 55 FT-LB
(TYP. 6 PLCS.)
ALIGN ALL BAND CLAMPS FACING IN
THE SAME DIRECTION WITH BOLT PORTION
HIDING UNDERNEATH THE COUPLING.
SMOOTH PORTION TO BE VISIBLE WHEN
FACING FRONT OF BOILER.
1
2
3
4
5
6
APPLY LOCTITE 592 TO ALL THREADS
16
20
26
20
18
15
19
12
13
2
10
6
(TYP. 4 PLCS.)
#10-24 SELF TAPPING SCREWS
(TYP. 3 EACH SIDE)
5
12
12
TORQUE CLAMPS
TO 40 IN-LBS
TORQUE CLAMPS
TO 40 IN-LBS