MFJ MFJ-1838 Instruction Manual Download Page 3 | Manualshive

Page: 3 / 16

background image

In the box

2 mounting plates

1 mounting bracket

4 x 1-1/4”

element arms

1 feed arm

8 insulators

1 matching box

Parts pack

1 roll of element wire for each band

Lots of

Nuts and Bolts

10 12 15 17 20 30 40

4 x 1”

element arms

1 support arm

1 u-bolt bracket

1 bundle of

dacron rope

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Summary of Contents for MFJ-1838

Page 1: ...ions Before Operating Equipment 300 Industrial Park Road Starkville MS 39759 USA Tel 662 323 5869 Fax 662 323 6551 COPYRIGHT 2018 MFJ Enterprises Inc MFJ 1838 6 10 12 15 17 20 30 40 METER INSTRUCTION...

Page 2: ...but take your time anyway As with all antennas safety glasses are recommended during the assembly and tuning We don t want you to Poke your eye out Pick a clear open spot and assemble the antenna awa...

Page 3: ...g bracket 4 x 1 1 4 element arms 1 feed arm 8 insulators 1 matching box Parts pack 1 roll of element wire for each band Lots of Nuts and Bolts 10 12 15 17 20 30 40 4 x 1 element arms 1 support arm 1 u...

Page 4: ...pport arm now is when you need to install the u bolt bracket on the top plate using the same bolts that hold the arms in and the plates together Pick any 3 of the 4 holes used to mount the end of the...

Page 5: ...Install the smaller one inch tubes into the larger tubes Align the holes and install the 1 4 20 bolt washer and nylon lock nut as shown 4 places...

Page 6: ...the tube back towards the mounting plates Mounting plate Now would be a good time to mount the antenna on a temporary mast if you haven t already Use the two silver U bolts to secure the mast inside t...

Page 7: ...hose clamp band around the element and restart the band in the screw housing by slowly turning the screw while inserting Placement of the clamps Is shown by distance A and B in the diagram These dist...

Page 8: ...ed to be tight against the washers A A Mounting plate Clamp the support tube onto the mounting plate using the gold colored u bolt assembly Cut the supplied rope into 4 equal sections Route the rope t...

Page 9: ...16 screws and lock nuts Tighten them securely Thread the other end though the abs insulators You will have too much wire when you reach the other side Thread the wire ends through the insulator eyele...

Page 10: ...e trouble determining which dip is associated with which band fold one set of wire ends back on themselves effectively shortening the wire to its shortest possible length The SWR dip that is associate...

Page 11: ...lass tube match box mount 1 1 4 x 33 inch Fiberglass tube support tube 2 4 1 10 1838 1 735 1838 13 1838 6 13 1838 10 13 1838 12 Matching Box Mast Mounting bracket 6 meter wire assembly 10 meter wire a...

Page 12: ...e of a house or garage at eaves level is acceptable as long as the wires will not be in contact with anything Antenna Grounding Although the MFJ 1838 is designed to operate efficiently without the req...

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Page 15: ...postage and handling 4 This warranty is NOT void for owners who attempt to repair defective units Technical consultation is available by calling 662 323 5869 5 This warranty does not apply to kits sol...

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