Ditch Witch JT920, Manual

Page: 63 / 169

JT920/JT920L - PREPARATION
63
PLAN BORE PATH
JT920/JT920L - PREPARATION
63
PLAN BORE PATH
Minimum Depth
Because pipe must be bent gradually, entry pitch and bend limits
determine how deep the pipe will be when it reaches horizontal.
Use the chart in
APPENDIX , section B, to determine minimum
depth for your job.
To reduce depth, reduce entry pitch. To increase depth, increase
entry pitch and setback.
To find setback and entry pitch that will take you to desired depth,
locate depth on chart in
APPENDIX , section B. Then find
corresponding setback and entry pitch.
Minimum Depth
Because pipe must be bent gradually, entry pitch and bend limits
determine how deep the pipe will be when it reaches horizontal.
Use the chart in
APPENDIX , section B, to determine minimum
depth for your job.
To reduce depth, reduce entry pitch. To increase depth, increase
entry pitch and setback.
To find setback and entry pitch that will take you to desired depth,
locate depth on chart in
APPENDIX , section B. Then find
corresponding setback and entry pitch.