JB Pipepuller 1700 - J-Hook Diagrams

J-HOOK DIAGRAMS
Example of using a J-Hook on an 8” culvert
Example of using a larger J-Hook on a smaller culvert thickness
Shim must be used to prevent rotation of J-Hook!
Example of what will Happen if pipe are thicker than the design of the J-Hook!
Example of using a J-Hook installing pipe backward using a precut oak block no less than 18” long!
J-Hook Diagrams l JB Pipepuller
20
Cross Section of an 8” Thick Pipe
Due to varying thickness of boxes,
the J-Hook measures 8 3/4” in depth.
Must be fully inserted
before pulling!
Due to varying thickness of boxes,
the J-Hook measures 12 3/4” in depth.
Cross Section of an 10” Thick Pipe
Must be fully inserted
before pulling!
Always us a solid shim to make up
the dierence in the culvert space!
Due to varying thickness of boxes,
the J-Hook measures 8 3/4” in depth.
If pipe is thicker than J-Hook
dimensions, this WILL HAPPEN!
Cross section of an 8” thick pipe
that actually measures almost 9”.
12” Thick Culvert