Chromalox PG407-3 Renewal Parts Identification, Converting Style 3 to Style 3B Radiant Heater

CONVERSION (cont’d.)

B. CONVERTING STYLE 3 TO STYLE 3B RADIANT HEATER

1

6

6
	Aluminum	A
7	Housing
Figure 2 – Style 3 Terminal Area Assembly

1. Completely disassemble heater. Re-use the heating element 1 (if desired), the extruded aluminum housing. the element sup- port clips 7 and insulation bushing 6 . Scrap all other parts.

2.Drill #24 (.152" dia.) hole in the wiring trough of the extruded

housing A , 3" from each end.

NOTE: If replacing old element with a new one, omit steps 3 and 4.

3.Remove terminal connector from terminal pin and replace with terminal connector 302-019961-002. The location of this con- nector is as shown in Figure 6.

4.Fashion wire loops from #15 gage (.072" dia.) or larger high temperature wire (such as stainless steel or nichrome) and braze or tack weld these loops in position 2-1/4” from each sheath end of the element.

5.Assemble heater as shown in Figure 7 using Parts Bag 168- 016585-002.

C. CONVERTING STYLE 3A TO STYLE 3B RADIANT HEATER

12

9

15

17

Aluminum Housing

Figure 3 – Style 3A RAD Heater Terminal Area Assembly

1.Completely disassemble heater. Scrap the bottom terminal blocks 9 the terminal block support brackets 16 the Tinnerman® “U” speed nuts 17 the terminal block support bracket screws 15 and the terminal block screws 12 . Re-use all the other parts, including the heating element unless a new one is required. In this case order an element from Table A, page 3 with same voltage and wattage and for same heater housing length as old unit.

2.Assemble heater as shown in Figure 7 using Parts Bag 168- 016585-001.

RENEWAL PARTS IDENTIFICATION

13

12

3

11

4

12 14 9

10 5

PARTS BAG 168-016585-001 Consists of:

3	Terminal Cover	306-014405-001 (2)
	Terminal Cover Clip	056-014401-002 (4)
4
	End Plate	220-017278-001 (2)
5
	Terminal Block	303-016367-001 (2)
9
	Speed Nuts	272-048153-005 (4)
10
	Terminal Block	303-014326-001	(2)
11
	Screws - #8 x 1”	248-075519-095	(6)
12
	Screws - #8 x 3/8”	248-075519·080 (4)
13
	Screws - #8-32 x 3/8”...248-075512-053		(4)
14

PARTS BAG 168-016585-001 Consists of:

9	...........Terminal Block	303-016367-001	(2)
	Speed Nuts	272-048153·005 (4)
10
	Terminal Block	303-014326-001	(2)
11
	Screws - #8 x 1" Lg. ..248-075519-095		(6)
12

12

11

12

9

10

Figure 5 – Parts Bag 168-016585-001

Figure 4 – Parts Bag 168-016505-002 (to convert Style 0, 1 and 3B

(to convert Style 3A to Style 3B)