Penske Racing Shocks 7300 Series - Manual (Page 5)

Suggested Maintenance
PRE RACE ............................................................................................. Inspect for oil leakage. Check
the nitrogen pressure.
EVERY 2 RACES (500 MILES) ............................................................. Change oil. Replace the shaft seal
o-ring, wiper, shaft bearing o-ring,
and piston o-ring.
YEARLY ................................................................................................. Replace the reservoir cap o-ring and
floating piston quad ring.
Trouble Shooting
LOSS OF NITROGEN PRESSURE ...................................................... Valve core is not tight or needs
replacing, teflon seal on air valve
needs replacing, reservoir cap
o-ring needs replacing.
OIL LEAK AROUND SHAFT ................................................................. Shaft seal o-ring or wiper needs
replacing. Note: minimal oil
seepage is normal.
OIL LEAK BETWEEN SHAFT BEARING AND BODY ......................... Shaft bearing o-ring needs
replacing or o-ring gland is damaged.
SHAFT WILL NOT FULLY EXTEND ..................................................... Check for bent shaft, low nitrogen
pressure, not enough oil.
Note: do not spray brake cleaner or
solvent on the shaft wiper, it may
cause it to swell and prevent proper
movement.
NO CLICKS ON RED KNOB ADJUSTER ............................................ No Nitrogen pressure or broken pin or
not enough oil in the shock.
**DO NOT TRANSPORT CAR TO TRACK ON RACE SHOCKS. USE DESIGNATED SHOCKS, TOW
SHOCKS, FOR TRANSPORTING.