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KEEPERS, OR
SHAFT RETAINERS
1 ON EACH END

BOOM HARDWARE ARRANGEMENT

SHORTING BAR HALVES
(2) PER ELEMENT HALF

3" X .125 X 180" SOE

LINEAR LOADING SUPPORT POST
WITH WELDED TOP PLATE

5/16 X 5"
EYEBOLT (2)
1/4" CABLE EYE (4)

2 PLCS. PER ELEMENT

BOLTS & LOCKNUTS

1/4-20 X 3-1/4"

TOP VIEW - LINEAR LOADING/ELEMENT CLAMP HDWE

1-3/8" x 23-13/16"

3/16 X 95' & 
3/16" X 20" RODS

BOLTS & LOCKNUTS
4 PLCS PER ELEMENT

1/4-20 X 2-1/2"

1-1/2"x 60"

1/8" CABLE CLIPS (6)

1/8" CABLE EYE (2)

1-1/4" x 60

1/4 X 3/4 X 1" 
COUPLING 
2 PER SIDE

ALUMINUM=DRIVEN EL.

FIBERGLASS=REF& DIR

1-1/4" x 24" ROD:

1:1 BALUN 

8-32 X 1-3/4"
SCREW &
LOCKNUT

1/4-20 X 2" BOLT
AND LOCKNUT (8)

2-1/2" U-BOLT & SADDLE (1)
5/16-18" NUTS (2)
5/16 LOCKWASHERS (2)

BALUN MOUNTING 
'L' PLATE, 6"  (1)

ATTACH BALUN LEADS TO 
3/8" CLAMP BLOCKS

HAIRPIN TUBE

3/8" ALUM. TUBE (2)

1:1 BALUN AREA TOP VIEW

HAIRPIN SHORTING BAR DETAIL 

(END VIEW)

3/8" X 1" SPACER

1/4-20 X 2" BOLT
& LOCKNUT

BAND CLAMP #52

1/-20 X 1/4" SET SCREW

LINEAR LOADING HARDWARE DETAIL

3" X .125 X 180" PLAIN

5/16" DACRON CORD,
X 30 FEET. CUT AS RQD.

5/16" TURNBUCKLES (2)

8 X 8 X 1/4 BOOM TO MAST PLATE

USE 1/4-20 X 3-1/2"
BOLTS & LOCKNUTS

8-32 X 1" SCREWS &
LOCKNUTS (5)

40M3LASY
M. STAAL
5-3-00
REV 12/03/07

8-32 X 1-1/2"
 SCREW AND LOCKNUT

8-32 X 1-1/4"
SCREW & 
LOCKNUT

7/8"x 9" FIBRGLASS ROD

1 X 6"
BLACK ABS
STABILIZER BAR
(BUTT AGAINST
1-1/4" TUBE)

8-32 X 1/4"
SET SCREW

1"x 60"

LINEAR LOADING
 ARM

(2)3/16" SHAFT
   RETAINERS

8-32 X 1/4"
SET SCREW

7/8" X 9"
 FIBERGLASS
  ROD

8-32 X 1"
 SCREW AND LOCKNUT

3/4"x48"  

SUPPORT ARM FOR
 STABILIZER BAR

1/2 X CHART

5/8" 

COMPRESSION

CLAMP

ELEMENT ASSEMBLY

1/4-20 PLAIN
SS JAM NUT

8-32 X 1-1/2"
SCREW &
LOCKNUT

1"x24"

1/4-20 X 2-3/4" 
BOLTS 

8-32 X 1-1/4"
SCREW &
LOCKNUT

40M3L ASSEMBLY DETAIL 

Summary of Contents for 40M3L

Page 1: ...nding performance that will deliver years of enjoyment on the 40 meter band Mechanically the elements are mounted between 1 2 thick machined aluminum clamp plates The Driven element is split and insul...

Page 2: ...G ROD into a CLAMP PLATE ASSEMBLY Center the assembly and align the bolt holes to vertical Tighten all four outer element clamp plate bolts EVENLY Make sure plates remain parallel top to bottom 2 VERT...

Page 3: ...sections into the swaged 1 sections and secure with 8 32 x 1 1 4 screws and locknuts NOW IS THE TIME TO DETERMINE WHAT PART OF THE BAND YOU WANT TO USE MOST AND EMPHASISE THE 3 BAND SEGMENTS INSURE V...

Page 4: ...MENSION SHEET NOTE the dimension is measured from the OUTSIDE edge of the LL arm to the OUTSIDE edge of the shorting bar USING A BLACK PERMANENT MARKING PEN OR EQUIVALENT MARK THE SPOT ON THE ROD WHER...

Page 5: ...n tubes INSERT the tubes into the grooved channels of 3 8 clamp block assemblies on Driven element Push the tubes through until at least 1 4 extends beyond clamp and then tighten the clamp bolt slight...

Page 6: ...roops again following final adjustments check your knots They may be may be slipping D After final installation of the antenna the turnbuckle plate installed loosely with a 2 U bolt is raised up the m...

Page 7: ...2 1 7 0 7 130 7 1 7 240 7 150 7 30 REFLECTOR 58 50 50 50 47 50 DRIVEN 44 50 37 50 34 50 DIRECTOR 39 50 31 50 28 50 S HAIRPIN SHORT 36 36 36 108 5 108 5 108 5 ON ALL EIGHT HALF ELEMENT SECTIONS 1 X 1...

Page 8: ...POST 1 4 20 X 2 BOLT LOCKNUT DRIVEN ELEMENT HARDWARE 8 32 X 1 SCREW LOCKNUT 5 PER SIDE 1 1 4 X 24 FIBERGLASS ROD 1 3 8 X 23 13 16 SLEEVE 1 1 2 X 60 SOE 1 4 20 X 2 3 4 BOLT LOCKWASHER STRAIN RELIEF HPT...

Page 9: ...8 CLAMP BLOCKS HAIRPIN TUBE 3 8 ALUM TUBE 2 1 1 BALUN AREA TOP VIEW HAIRPIN SHORTING BAR DETAIL END VIEW 3 8 X 1 SPACER 1 4 20 X 2 BOLT LOCKNUT BAND CLAMP 52 1 20 X 1 4 SET SCREW LINEAR LOADING HARDWA...

Page 10: ...GENERIC COMPRESSION CLAMP DETAIL NOTE Generic layout to show how compression clamps work Your antenna may have one or the other or may even have both compression clamp sizes...

Page 11: ...Element section 3 4 x 049 x 48 SOE 6 Element tip section 1 2 x 049 x 61 50 2 Element tip section 1 2 x 049 x 47 50 2 Element tip section 1 2 x 049 x 42 50 2 Hair pin tube 3 8 x 55 2 ALUMINUM ROD DESC...

Page 12: ...stainless 14 Bolt 1 4 20 x 2 0 stainless 5 Set screws 1 4 20 x 1 4 ss 2 Nut 1 4 20 stainless 6 Nut 1 4 20 locking stainless 27 Allen wrench 1 8 1 BAG 9 5 8 Compression clamp 6 Screw 8 32 x 1 3 4 panhe...

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