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anyone have any idea what the last sentence in this Harris set up sheet on pull bar tubes means ?? never heard of " 4 inch rear end extensions ">>>>>>
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• 1 Way – Adjust ¾†nylcok jam nut until 1 15/16†of the treaded shaft is exposed.
Preload spring ¼†by adjusting (3) 5/16†preload adjuster locking nuts that contact the
front spring plate. The unit uses an 18†swedge tube.
• 2 Stage – Aluminum adjuster nut for setting the travel on the inner biscuits need to be
adjusted 3/8†from the back plate. Preload spring ¼†by adjusting (3) 5/16†preload
adjuster locking nuts that contact the front spring plate. Progressive spring needs to be
preloaded ¾â€. This unit uses a 16†swedge tube.
• 3 Stage – same as 2 stage. This unit uses a 14†swedge tube.
• 2 Biscuit – preload 1/8†This unit uses a 16†swedge tube.
• 3 Biscuit – preload 1/8†This unit uses a 14†swedge tube.
• Spring recommendations – 1200lbs or progressive IMCA or without a spoiler. 1450
for USMTS or with a spoiler.
* Swedge tube lengths are for the 4†rear end extensions.
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• 1 Way – Adjust ¾†nylcok jam nut until 1 15/16†of the treaded shaft is exposed.
Preload spring ¼†by adjusting (3) 5/16†preload adjuster locking nuts that contact the
front spring plate. The unit uses an 18†swedge tube.
• 2 Stage – Aluminum adjuster nut for setting the travel on the inner biscuits need to be
adjusted 3/8†from the back plate. Preload spring ¼†by adjusting (3) 5/16†preload
adjuster locking nuts that contact the front spring plate. Progressive spring needs to be
preloaded ¾â€. This unit uses a 16†swedge tube.
• 3 Stage – same as 2 stage. This unit uses a 14†swedge tube.
• 2 Biscuit – preload 1/8†This unit uses a 16†swedge tube.
• 3 Biscuit – preload 1/8†This unit uses a 14†swedge tube.
• Spring recommendations – 1200lbs or progressive IMCA or without a spoiler. 1450
for USMTS or with a spoiler.
* Swedge tube lengths are for the 4†rear end extensions.
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