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Gins and Booms – 1200
Page 1204
September 2012
Phone: 573-682-5521 Email: hpsliterature@hubbell.com Web: hubbellpowersystems.com
Features & Applications
• 2-1/2” diameter Epoxiglas® poles are used to brace
either heavy-duty or medium-duty Swivel Booms in
tripod
arrangement
• Poles are anchored to steel tower with tower-type
saddles (M4742 and M47413)
BOOM SUPPORT POLE
Catalog
No.
H4721112
Pole Diameter
& Length
2
1
/
2
" x 12'
Overall
Length
12'9"
Weight
18.5 lb./8.3 kg.
Catalog No.
C4000464
C4000465
C4000469
Weight
128 lb./57.6 kg.
140 lb./63 kg.
140 lb./63 kg.
Description
16' Boom, 8' Mast, Clamps
 For Tower Mounting
18' Boom, 10' Mast, Clamps
 For Tower Mounting
18' Boom, 10' Mast, Chain
 Binders for Pole Mounting
SWIVEL BOOM — HEAVY DUTY
Features & Applications
• Used on EHV to swing an insulator cradle with
insulators into a structure for repair
• 1,000-lb. capacity with 4” x 4” Epoxiglas® horizontal
boom, coupled with 3” round Epoxiglas mast
• Unit rigging requires a link stick and hoisting device in
diagonal position
• Clamp on square boom can be adjusted to three
possible positions for loading purposes
• Casting on end of boom is fitted with two clevices for
convenient loading
• Available with swivel boom on pole-mounted
configuration
• Also available with four tower-mounting brackets to fit
towers up to 6” to 6” angle legs
Catalog No.
H1973814
H1973H10
Weight
70 lb./31.5 kg.
61 lb./27.5 kg.
Description
14' Boom, 8' Mast, Clamps
 For Tower Mounting
10' Boom, 6' Mast, Chain
 Binders for Pole Mounting
C4000469
H1973H10
H4721112
Tower Mounting Bracket
C4000602
• Same tool is also used as horizontal member for trolley
pole changeouts of suspension insulators
SWIVEL BOOM — MEDIUM DUTY
Features & Applications
• Used on transmission structures to lift and move an insulator cradle
with insulators into a convenient work position on a structure
• 3”-round Epoxiglas® horizontal boom and vertical mast
are designed for 500-lb. ratings when used in a steel-tower
configuration
• 600-lb. rating for wood-pole assembly
• Insulated link stick and hoist are used in diagonal position to lift
cradle full of insulators clear of deadend
For tower use, three boom support poles should be added in a tripod
configuration as shown in the illustration at left below.