Service Information
9
BASE HOOD REMOVAL
Required Tools:
Standard Screwdriver
7/16” Open End Wrench
5/32” Allen Wrench
Bungee Cords or String
Procedure:
1. Using a standard screwdriver, pop off the 3 black plastic caps covering the screws holding on the base
hood, being careful not to damage the caps.
2. Remove the nylock nuts, cap screws and washers holding the base hood to the base frame.
3. Lift up the hood and, using bungee cords or string, secure the hood to the bottom of the seat assembly.
4. After service is complete, lower the hood and reinstall the fasteners and protective caps.
HYDRAULIC VALVE REPLACEMENT
Required Tools:
Standard Screwdriver
3/4” Open End Wrench
Replacement Procedure:
1. Pump the jack fully up and raise the base hood (see above).
2. Turn butterfly valve (A) clockwise to close off the needle valve.
3. Remove the cap screw and washers holding the manifold as-
sembly (B) on the hydraulic jack.
4. Using a 3/4” open end wrench, remove the needle valve (C) from
the manifold assembly.
5. Install the new needle valve, reattach the manifold assembly,
open the butterfly valve and reattach the base hood.
6. Be sure the jack is operating properly before returning the Surgi-
stool to service.
BRAKE ADJUSTMENT
Required Tools:
1/2” Open End Wrench
Adjustment Procedure:
1. Loosen the top jam nut (A) on the brake foot assembly.
2. With your fingers, turn the brake shaft assembly (B)
clockwise to loosen the brake tension or counterclockwise
to tighten the brake tension.
3. Tighten the top jam nut when the desired tension is
achieved.
A
B
C
.032
A
B
.000
