CHAPTER 9 Section 1: ProFire Burner Parts
9-12 750-177
NOTE:Burner size is shown on the nameplate. If
necessary, size can also be determined by measuring the
oil gun nozzle and coupling length. (“B” figure 8-5)
• Size 1 = 23.0 in. • Size 2 = 24.5 in.
• Size 3 = 29.2 in. • Size 4 = 37.0 in.
ITEM DESCRIPTION
SIZE 1 SIZE 2 SIZE 3 SIZE 4
REQ PART NO. REQ PART NO. REQ PART NO. REQ PART NO.
1 MAIN SHAFT
DRIVE COUPLING
1 20-B-149 1 20-B-149 1 20-B-150 1 20-B-150
2 AIR BOX 1 459-B-497 1 459-B-498 1 459-B-499 1 459-B-504
3 MOTOR
MOUNT PLATE NS
1 59-5386 1 59-5387 1 59-5402 1 59-5471 (10 hp)
59-5564 (5&7-1/2 hp)
4 MAIN
AIR SHUTTER
1 108-122 1 108-125 1 108-128 1 108-131
5 LOW-FIRE MANUAL
AIR SHUTTER
1 108-A-121 1 108-A-124 1 108-A-127 1 108-A-130
6 HIGH-FIRE MANUAL
AIR SHUTTER
1 108-123 1 108-126 1 108-129 1 108-132
7 MAIN AIR
SHUTTER SHAFT
1 74-256 1 74-257 1 74-263 1 74-275
8 MANUAL AIR SHUTTER
SHAFT
2 74-B-268 2 74-271 1 74-272 1 74-273
9 AIR SHUTTER SHAFT
BEARING
1 807-429 1 807-429 1 807-428 1 807-428
10 AIR SHUTTER
ADJUSTMENT HANDLE
2 2-A-355 2 2-A-355 2 2-A-355 2 2-A-355
11 MODULATING MOTOR NS 1 894-3466 1 894-3466 1 894-3466 1 894-3466
12 MODULATING MOTOR
MOUNTING PLATE
NA NA 1 8-A-3115 1 8-A-3115
1
2
12
4
5
6
7
8
9
10
Figure 9-9. Airbox Assembly
NS = Not Shown