| Frog Legs, Inc. |
| Absorbing Life's Shocks |
| Frog Legs Inc. 14470 Terminal Avenue Ottumwa, IA 52501 800-922-2129 Fax 641-682-0132 |
Frog Legs™ Shock Absorbers Installation Instructions
Materials Required for Installation
• 1 pair of Frog Legs suspension caster fork
• 1 installation hardware pack (supplied with forks)
Tools Required To Install Frog Legs™ Suspension Caster Fork
• Small flat head (regular) screwdriver
• 3/4 inch (19mm) socket and ratchet
Tools Required To Install Wheel or Suspension Dampener
• 2- 5/32 inch (4mm) Allen wrenches
Directions for Installing Frog Legs Shock Absorbers
Step 1. Use a small screwdriver to remove the plastic cover or dust cap from the
top of the caster barrel housing. Find the seam between the cap and caster barrel,
and pry up with the screw driver. (See diagram above for caster barrel details.)
Step 2. Use a ¾ inch (19mm) socket and ratchet to remove the “nylock” nut
located below the dust cap removed in Step 1. The rigid fork assembly will have to be
held in place to remove the nut. Usually this can be held by hand, but bracing the
assembly against a hard surface will also work. One the nut is removed, the rigid fork
assembly can be removed from the caster barrel housing.
Note: The “nylock” nut, washers, and stem bearings will be used to install your new
suspension forks. New nylock nuts and washers are supplied with your order if needed.
Step 3. If your rigid fork caster wheel is 6 inches in diameter or less and you would
like to use this wheel for your new suspension system, then this wheel has to be
removed. Depending on the type of rigid system you currently have, you may have to
find some additional tools to remove the caster wheel. Once the wheel is removed, it
can be installed on your new Frog Legs Shock Absorbers.
Supplied with your new set are (2) axle pins, (4) button-head screws and (4) wheel
spacers you will need to attach your new caster wheels to your new forks. First choose
one of the three axle location holes in your new forks, and then put the axle bolt
partially through the hole. Add one of the provided spacers, or use your rigid system
spacer if you have them. Next, insert the wheel, push the axle through the wheel and
then add another spacer. Push the axle bolt through the other side of the fork. Install
the “button-head screw” that came with the axle pin and tighten the assembly.
Step 4. Install the suspension fork assembly on the chair by inserting the stem of
the suspension assembly into caster barrel housing on your chair. See above diagram.
Install the new “nylock” nut on the stem bolt with the ¾ inch (19mm) socket and ratchet.
Tighten this nut until all vertical stem play is removed. Over tightening will result in a
fork assembly that will not swivel freely. If this occurs, simply loosen the stem “nylock”
nut until fork assembly rotates freely.
Step 5. Snap the dust cover back in place on top of the caster barrel housing. This
completes the installation.
Materials Required for Installation
• 1 pair of Frog Legs suspension caster fork
• 1 installation hardware pack (supplied with forks)
Tools Required To Install Frog Legs™ Suspension Caster Fork
• Small flat head (regular) screwdriver
• 3/4 inch (19mm) socket and ratchet
Tools Required To Install Wheel or Suspension Dampener
• 2- 5/32 inch (4mm) Allen wrenches
Directions for Installing Frog Legs Shock Absorbers
Step 1. Use a small screwdriver to remove the plastic cover or dust cap from the
top of the caster barrel housing. Find the seam between the cap and caster barrel,
and pry up with the screw driver. (See diagram above for caster barrel details.)
Step 2. Use a ¾ inch (19mm) socket and ratchet to remove the “nylock” nut
located below the dust cap removed in Step 1. The rigid fork assembly will have to be
held in place to remove the nut. Usually this can be held by hand, but bracing the
assembly against a hard surface will also work. One the nut is removed, the rigid fork
assembly can be removed from the caster barrel housing.
Note: The “nylock” nut, washers, and stem bearings will be used to install your new
suspension forks. New nylock nuts and washers are supplied with your order if needed.
Step 3. If your rigid fork caster wheel is 6 inches in diameter or less and you would
like to use this wheel for your new suspension system, then this wheel has to be
removed. Depending on the type of rigid system you currently have, you may have to
find some additional tools to remove the caster wheel. Once the wheel is removed, it
can be installed on your new Frog Legs Shock Absorbers.
Supplied with your new set are (2) axle pins, (4) button-head screws and (4) wheel
spacers you will need to attach your new caster wheels to your new forks. First choose
one of the three axle location holes in your new forks, and then put the axle bolt
partially through the hole. Add one of the provided spacers, or use your rigid system
spacer if you have them. Next, insert the wheel, push the axle through the wheel and
then add another spacer. Push the axle bolt through the other side of the fork. Install
the “button-head screw” that came with the axle pin and tighten the assembly.
Step 4. Install the suspension fork assembly on the chair by inserting the stem of
the suspension assembly into caster barrel housing on your chair. See above diagram.
Install the new “nylock” nut on the stem bolt with the ¾ inch (19mm) socket and ratchet.
Tighten this nut until all vertical stem play is removed. Over tightening will result in a
fork assembly that will not swivel freely. If this occurs, simply loosen the stem “nylock”
nut until fork assembly rotates freely.
Step 5. Snap the dust cover back in place on top of the caster barrel housing. This
completes the installation.
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