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This adjustment is to be performed o n l y a fter com p leting the close l atch b i te adjustment.
The pu rpose o f this adjustment is to esta blish an armatu re gap of 3/1 6 to 1 /4 inches. {4.8 - 6.4mm )
A
suitable fee ler gage of optimum thickness , . 2 1 8" {5.56 mm) should be inserted in the armature
gap. That is, the space between the ground surfaces of the solenoid frame and ground
"T"
shaped
extensions of the solenoid plu nger.
The connecting l i n k between the so lenoid p l u nger and c lose l atch s h o u l d be adjusted to
m a m ta i n the p l u nger i n this posi tion. The l ock ing screw i s released a nd the adjusting cap
shifted u nt i l the effective l ength of the l i n k su pports the p l u nger with i n the ind icated range.
F R E E H E I G H T
R E TU R N S P R I N G
ADJUS TM E N T
ADJUST ING N U T
3 5"
1
CON N E CTI N G L I N K
M A
Series -
4 .59" ( 1 1 6 .6mm)
(Adjustable )
F B-FC/500
- Adjust to
1
0-5/8"
±!
/32 (269.9 ±-8 m m )
FA-350/FC-1 000 -
Adjust to
1 2- 1 /2 " ± 1 /32 (31 7 .5 ± .8m m)
ACTU A T I N G
R O L L E R
Over trave 1 3 . 1 25 "
(79 .4mm)
F L O O R L I N E
Trip
2 906" (73 .8 1 mm)
F ree H e rgh t 2 .565"
+
.02
(65.2 + .5 mm)
- .03
-.8
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