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 being knocked 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. (130 mm) diameters

• Standard units are rated at 36,000 lbs. (16 kN) The 80975 heavy duty 5 in. model is rated for 45,000 lbs. (20 kN)

Ordering Information:

P/N	Max. Cable Diameter	Weight

70283	3 in. Manhole Sheave	32 lbs. (14 kgs)
70284	4 in. Manhole Sheave	55 lbs. (24 kgs)
70285	5 in. Manhole Sheave	65 lbs. (29 kgs)
80975	5 in. (Heavy Duty)	65 lbs. (29 kgs)

Click on image above for a larger view of the Manhole Sheaves

General Machine Products Co. 3111 Old Lincoln Highway Trevose, PA 19053 USA LOGO