Hisun HS294-2 Owner's/Operator's Manual page 58

① Gas spring
Front and Rear Shock Adjustment
WARNING
These shock absorber assemblies contain
highly pressurized nitrogen gas, read and
understand the following information
before handling the shock absorber
assemblies.
·Do not tamper with or attempt to open the
cylinder assemblies.
·Do not subject the shock absorber
assemblies to an open flame or other high
heat source. This may cause the unit to
explode due to excessive gas pressure.
·Do not deform or damage the cylinders in
any way. Cylinder damage will result in
poor damping performance.
·Do not dispose of a damaged or worn out
shock absorber assembly yourself. Take
Hitch coupling device
12-58
NOTE:
Never turn an adjusting mechanism
beyond the minimum and maximum
settings.
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
3. thereby soften the suspension.
1. Locknut 2. Spring preload adjusting nut
3. Special wrench
·A special wrench can be obtained at a 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.