4058 System dimensions
Igniter Length (28-80")
4.0"
Igniter Tip (12.0")
Extension Rod (16-68") Order by this length
1.0"
4.25"
Clamp here
Ø0.675"
6.25"
2.33"
Total Piston Length (2 X cylinder stroke) + 10.50"
Igniter Tip Protrusion (Past Cylider)
3.75" Fully Extended (All sizes)
4.0" Cylinder Stroke + 10"
Cylinder Stroke (8, 12, 16, 20 or 24)
Retracted Rod Location 3 3⁄8 "
See Figure 12
Cylinder Stroke + 3.75" Fully Retracted
Figure 9: Dimensions
Note that the total piston length grow 2X when the cylinder is increased by X. So increase the length of the igniter by 8" if the cylinder length is increased by 4".
Bulletin 4058 page 11
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