Winco Mfg. S300 - Stretchair - Manual (Page 15)

MAINTENANCE GUIDE
Monarch Hydro Power Unit Replacement
1. Place chair in the layflat position (SEE PAGE.7)
with the vertical lift in its LOWEST position. (FIG.15)
2. Unplug the Monarch Power cord from the battery
control box. (FIG.16)
3. Locate the Power Unit positioned under the
upholstered seat. (FIG. 17)
4. Remove the 5 screws and ALL nylon ties that `
secure the Power Unit to the chair frame.
5. Lift, rotate, and remove unit from the chair frame.
• Be sure to keep the Power Unit vertical (brass
fittings up) to avoid oil spilliage.
6. Carefully unscrew all 4 brass fittings from the
Power Unit. (FIG. 19)
7. Dispose of the old Power Unit carefully.
8. Cut black tubing to remove old ferrule and threaded
fitting. (Cut where shown in FIG. 18)
9. Slide the black tube through the new threaded
fitting
10. Insert tubing into the open Hydro Power Unit port
11. Slide the new threaded fitting onto the Hydro Power
Unit port and tighten to a snug fit. (FIG. 19)
12. Repeat steps 8-11 for all 4 port fittings
13. Re-mount Power Unit to base frame
14. Insert the Monarch Power cord into the battery
control box. (FIG. 16)
15. Test the new unit by running the vertical lift up and
down 2-3 times.
FIG. 15
FIG. 16
FIG. 17
FIG. 18 FIG. 19
15