Rp15B Vent Valve Assembly R/R (H850); Rp16 Vent Valve Disassembly & Repair - CAIRE HELiOS Plus Technical & Service Manual

XI 1
Troubleshooting & Repair Procedures
RP15B – Vent Valve Assembly R/R (H850)
1. Remove the covers (RP4).
2. Disconnect the flexible vent tube from the barbed fitting on
the side of the vent valve.
3. Pull the vent lever down and place a 1/2 inch open-end
wrench on the vent valve body just above the hex nut.
4. Loosen the tubing compression nut at the top of the valve
using a 1/2 inch open-end wrench.
5. Remove the vent valve mounting screw using a T10 torx
driver.
6. Lift the container assembly and the vent valve from the front
cover.
7. Continue to loosen and then remove the tubing compression
nut from the vent valve completely.
8. Remove the valve from the tube.
9. Replace the vent valve assembly by reversing step 1-8.
Make sure that the valve is aligned properly in the back case
as shown below.
Figure 37: H850 Vent Valve Installation
RP16– Vent Valve Disassembly & Repair
1. Remove the vent valve assembly (RP15)
2. Pry the short, straight end of the torsion spring off of its
anchor point on the vent valve lever using a small flat-blade
screwdriver.
3. Push the long, hooked end of the torsion spring off of the
valve body using a small flat-blade screwdriver.
4. Remove the torsion spring.
5. Remove the vent tube barbed fitting using a 1/4 inch open-
end wrench.
6. Push out the lever pin using a 1/16 inch hex key, pin punch,
or ball driver.
Figure 38: Pin Removal
7. Remove the lever and the Teflon washer.
Torsion
Spring
Valve
Barbed
Fitting
Figure 39: Vent Valve Disassembly
8. Replace vent valve parts and re-assemble it by reversing
steps 1-7.
HELiOS Portables Technical Service Manual • PN 20562190 Rev E
Pin
Teflon
Washer
Lever
44