Spring preload
1. Loosen the locknut.
2. Turn the spring preload adjusting nut in
direction ⓐ to increase the spring preload
and thereby harden the suspension, and in
direction ⓑ to decrease the spring preload
and thereby soften the suspension.
• Locknut ①
• Spring preload adjusting nut ②
• Special wrench ③
·A special wrench can be obtained at a HSUN
dealer to make this adjustment.
·The spring preload setting is determined by
measuring distance A, shown in the
illustration. The shorter distance A is, the
lower the spring preload; the longer distance
A is, the higher the spring preload. With each
complete turn of the adjusting nut.
• Distance A ①
Spring travel setting(Front)
Minimum(soft): 375mm(14.76in)
Maximum(hard): 490mm(19.29in)
Spring travel setting(Rear)
Minimum(soft): 402mm(15.83in)
Maximum(hard): 490mm(19.29 in)
3. Tighten the locknut.
NOTE:
Always tighten the locknut against the
adjusting nut, and then tighten it to the
specified torque.
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