Invacare Perfecto 2 Series Service Manual page 70

SECTION 20—4-WAY VALVE/MANIFOLD ASSEMBLY
12. Install new slotted poppet into the bottom of the pilot valve stem with tapered end
facing to the bottom.
13. Install pilot valve stem and new slotted poppet with coil (with yoke and locknut
intact) into manifold opening.
14. Use a flat blade screwdriver, and tighten pilot valve stem clockwise until snug. Torque
to 25 inch-lbs. ± 5 inch-lbs.
15. Install new label onto pilot valve coil yoke.
16. Position pilot valve coil with yoke at an approximate 90° angle to the right as viewed
from the front of valve.
17. Use the flat blade screwdriver and hold the pilot valve-stem in place.
18. Tighten locknut clockwise with the 9/16-inch wrench until snug to secure the stem and
coil with yoke. DO NOT overtighten. Torque to 20 inch-lbs ± 3 inch-lbs.
DO NOT overtighten locknut when installing it onto pilot valve stem. Damage to the
plastic manifold may occur.
19. Plug power cord in and turn concentrator ON (I) to ensure proper operation.
20. Reinstall cabinet. Refer to Removing Cabinet on page 23.
21. If any difficulties are encountered in this installation, contact Invacare Technical
Service at (800) 832-4707.
™
Perfecto
2
CAUTION
70
Part No 1148070