Jamb Skids

Used to support quadrant blocks and sheaves when pulling cable through underground conduit.

• Lightweight, constructed primarily of aluminum

• Corrosion Resistant

• Includes (2) 1-5/16 in. (33 mm) diameter locking pins (71717) to lock the jamb skid height and secure the sheave or quadrant block

• Accepts all GMP sheaves and quadrant blocks with widths up to 7 in. (178 mm)

• Includes a base unit to accept the upper extensions

Ordering Information

P/N	Description

70640	Overall height ranging from 48 in. to 85 in. (121.9 to 215.9 cm). Includes 43 in. (109.2 cm) extension.

70643	Overall height ranging from 84 in. to 121 in. (213.4 to 307.3 cm). Includes 76 in. (200.7 cm) extension.

70646	Overall height ranging from 114 in. to 151 in. (289.6 to 383.5 cm). Includes 109 in. (276.9 cm) extension.

31356	Optional extension that allows the user to convert the height of the 70643 or 70646 to 48 in. to 85 in. (121.9 to 215.9 cm).

31357	Optional extension that allows the user to convert the height of the 70640 or 70646 to 84 to 121 in. (213.4 to 307.3 cm).

31358	Optional extension that allows the user to convert the height of the 70640 or 70643 to 114 to 151 in. (289.6 to 383.5 cm).

Note: The base will only accept 1 extension at a time

Click on image above for a larger view of the Jamb Skids

optional extensions

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