Table of Contents
Advertisement
4-WAY VALVE
PROCEDURE 16 (continued) - REPLACING 4-WAY VALVE/MANIFOLD ASSEMBLY/PILOT
VALVES
Sieve Bed Hoses
Pilot Valve Coil
Yoke
Pilot Valve
Valve Body
New Label
(Reference)
FIGURE 4 - REMOVING/INSTALLING PILOT VALVE POPPETS AND "O" RINGS
10. Use the flat blade screwdriver and tighten pilot valve stem clockwise until snug. (Reference: Torque
to 25-inch lbs. + 5-inch lbs.).
11. Install NEW label onto pilot valve coil yoke.
12. Position pilot valve coil with yoke at an approximate 60
valve) to ensure spade connectors are not pulled or tensioned after reinstallation.
13. Use the flat blade screwdriver and hold the pilot valve stem in place.
14. Tighten locknut clockwise with the 9/16-inch wrench until snug to secure the stem and coil with yoke.
DO NOT OVERTIGHTEN. (Reference: 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.
15. Repeat the STEPS 1 through 14 for other pilot valve.
16. Reinstall control panel (Refer to PROCEDURE 9 - REMOVING CONTROL PANEL).
Ensure that hoses behind control panel DO NOT contact cooling fan after control panel reinstal-
lation.
17. Plug power cord in and turn concentrator on to ensure proper operation.
18. Reinstall cabinet. (Refer to PROCEDURE 1 - REMOVING CABINET).
19. If any difficulties are encountered in this installation, contact Invacare Technical Service at
(800) 832-4707 or in Florida 1 - (407) 321-5630.
Pilot Valve
Stem
Locknut
New
60
O
Label
Coil
Valve Body
(Reference)
Manifold
CAUTION
CAUTION
57
LEAVE
TOGETHER
Pilot Valve Stem
Yoke
Locknut
Spade Connectors
(Leave Wire
Connectors
Intact).
Tapered End
M a n i f o l d
Opening
O
angle to the left (as viewed from the front of
PROCEDURE 16
4
-
W
A
Y
V
A
Slotted Poppet
L
V
E
"O" Ring
Advertisement
Table of Contents
