|
ADJUSTING BOTTOM-OUT RESISTANCE DHX
5.0
Bottom-out resistance affects the final part of the
compression stroke. Bottom-out should be adjusted with a maximum of 125
psi in the Boost Valve. The knob can be turned by hand
or with a 4mm hex key inserted into one of the holes around the perimeter.
Do not use any other tool to turn the knob—a 4mm
(5/32”) hex key only! Slower (CW) Faster
(CCW)
Turn the knob all the way clockwise for the most
bottom-out resistance and counter-clockwise for the least. There are three
(3) rotations of adjustment and three (3)
corresponding Adjustment Indicator Lines on the
reservoir.
BOOST VALVE DHX 5.0, 4.0 &
3.0
The Boost Valve creates a position-sensitive damping
scheme that allows for a seamless transition from efficient ProPedal to
square-edge bump absorption to a bottomless
end-of-stroke feel. The Boost Valve also decouples the ProPedal and bottom
out adjustments, enabling ProPedal platform adjustment to be made separately from the bottom out adjustment.
The Boost Valve is not adjusted directly. Instead, its
behavior and performance characteristics are influenced by the air
pressure setting in the reservoir and by adjusting the
ProPedal knob.
To change the compression damping characteristics of your
DHX shock, attach a High Pressure Pump to the air valve on the
reservoir:
For a firmer ride , add 10 – 15 pounds of air
pressure.
For a softer ride , decrease the shock’s air pressure
10 – 15 pounds by using the pump’s bleed valve.
Ride your bike and verify the settings before repeating
the procedure.
Fox DHX 5.0 125 psi Maxium, Fox DHX 4.0 & 3.0 200 psi
Maximum.
NEVER RIDE YOUR BIKE WITH MORE THAN 200 PSI OR LESS
THAN 75 PSI IN THE RESERVOIR AIR CHAMBER. DOING SO WILL DAMAGE YOUR SHOCK AND
REQUIRE REPAIRS THAT ARE NOT COVERED UNDER WARRANTY.
PROPEDAL AND BOOST VALVE
INTERACTION
Certain aspects of the Boost Valve can influence the
ProPedal adjustment. If the ProPedal adjustment knob is fully
counterclockwise (lightest ProPedal
damping position) and the compression damping is still too
strong, attach a shock pump to the Schrader valve on the reservoir and
reduce the pressure
10 – 15 psi. Repeat to achieve the desired compression
damping. If there is not enough compression damping with the ProPedal knob
fully clockwise, add
10 – 15 psi to the Boost Valve until desired compression
damping is achieved. | 
