
Table of Contents
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1. Overview ...................................................................... 1
1.1 Specifications ....................................................................................... 1
1.2 Guy Duckbill Anchor Kits ................................................................... 2
2. Tools List (for tripod, mast, enclosures, and
crossarms) ................................................................ 3
3. CM375 Installation ...................................................... 3
3.1 Site Selection ....................................................................................... 3
3.2 Assembling Mast Sections ................................................................... 4
3.3 Lightning Rod Assembly and Mounting Instrumentation .................. 12
3.4 Anchor Installation ............................................................................. 13
3.5 Raise, Plumb Mast and Final Cable Tensioning ................................ 18
4. Maintenance .............................................................. 20
Figures
1-1. 21720 tote............................................................................................. 1
3-1. Assembled CM375 ............................................................................... 3
3-2. CM375 in opened tote .......................................................................... 4
3-3. Mast base, sections, and lightning rod kit ............................................ 4
3-4. Mast Section 1 oriented on base ........................................................... 5
3-5. Spike installation .................................................................................. 6
3-6. Coupler installed in top of mast Section 1 ........................................... 6
3-7. Bag containing hardware ..................................................................... 7
3-8. Mast Section 2 and mast Section 3 ...................................................... 7
3-9. Guy ring, mast Section 2 and mast Section 3 ....................................... 8
3-10. 21663 bottom guy kit ........................................................................... 8
3-11. Guy cable inserted into guy ring .......................................................... 9
3-12. Mast Section 3 and guy ring/collar assembly ....................................... 9
3-13. Mast Section 4 ready to be installed in mast Section 3 ...................... 10
3-14. Mast Section 5 .................................................................................... 10
3-15. 21661 guy kit ..................................................................................... 11
3-16. Mast Section 5 and guy ring/collar assembly ..................................... 11
3-17. Mast Section 6 .................................................................................... 12
3-18. Lightning rod assembly ...................................................................... 12
3-19. Installed lightning rod ........................................................................ 13
3-20. Tape measure in slot for South anchor ............................................... 13
3-21. 19282 duckbill anchor and cable assembly (left). The 25699 has
a threaded rod instead of the cable. The drive rod (right) is used
for both the 19282 and 25699. ........................................................ 14
3-22. Anchor driven into ground at 45° angle ............................................. 14
3-23. Locking anchor .................................................................................. 15
3-24. Tape measure in slot for Northeast anchor ......................................... 15
3-25. Turnbuckle fastened to guy cable and anchor .................................... 16
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