6
Customer Service
(704) 841-6000
www
.apolloflowcontrols.com
“Apollo”
Flow Controls
INSTALLATION, OPERATION & MAINTENANCE
MANUAL
A. DISASSEMBLY
1. Close inlet and outlet shut-off valves
2. Bleed pressure from the assembly by opening #2, #3, and #4 test cock.
3. Unscrew and remove bronze cap.
4. Remove stainless steel spacer using lifting tab.
5. Remove first check module by pulling outward with fingers (a small screwdriver may aid removal). Be sure test cock #2 is open so as to prevent
hydraulic lock. Generally, the first check o-ring will remain in the bore.
6. Remove second check assembly by sliding the assembly out of its bore (a small screwdriver placed in the groove provided will aid removal).Be sure
test cock #4 is open as to prevent hydraulic lock.
B. INSPECTION
7. All parts should be carefully inspected for any damage or excessive wear and thoroughly rinsed in clean water prior to reassembly.
8. Replace all worn parts as necessary.
NOTE: Check valve modules are not user serviceable. In the event of check failure, replacement modules are sold individually.
C. ASSEMBLY
1. Replace check modules, second check first then first check. Make sure first check o-ring is installed.
(Tip: push o-ring to the bottom of the bore before installing check module.) Press check module into bore. A thin coat of FDA approved
lubricant on o-ring will aid insertion.)
2. Replace stainless steel spacer.
3. Apply a thin coat of FDA approved lubricant on cap o-ring. Replace Cap.
V.
MAINTENANCE INSTRUCTIONS - 1/2” (4S-103)
