Full Line Product Catalog
Sheaves. Shackles, Quadrants & Frames
Manhole Sheaves The Manhole Sheave or “Pittsburgh” is used to guide pulling line or cable over the manhole edge when placing and removing cable in manholes which are equipped with pulling in irons to support a sheave and shackle assembly. Consists of a reinforced, heat-treated wrought aluminum alloy frame with two self-lubricating, bronze bushed aluminum sheaves The frame also has a hole in each side plate so you can insert a 1-1/4 in. (32 mm) dia. digging bar parallel to the ground to keep the sheave from falling into the manhole Approximate overall unit dimensions: 30 in. (762 mm) L x 12 in. (305 mm) W x 22 in. (559 mm) H Sheaves are available to accommodate cable up to 3 in. (76 mm), 4 in. (100 mm) or 5 in. (127 mm) diameters Standard units are rated at 7,500 lbs. (3.3 kN) The 80975 heavy duty 5 in. (127 mm) model is rated for 10,000 lbs. (4.4 kN)
U NDERGROUND P ULLING E QUIPMENT
P/N
Max. Cable Diameters 3 in. Manhole Sheave 4 in. Manhole Sheave 5 in. Manhole Sheave
Weight
70283 70284 70285 80975
32 lbs. (14 kgs) 55 lbs. (24 kgs) 65 lbs. (29 kgs) 65 lbs. (29 kgs)
5 in. (Heavy Duty)
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