Febco 805YD - Troubleshooting Guide; How to Order Repair Kits; Repair Kits

HOW TO ORDER REPAIR KITS
1. Locate item number and kit number in this maintenance manual.
2. Verify the size of the valve the parts are to be used for.
3. Provide full model number located on I.D. plate.
4. Record kit number.
5. A serial number (located on the I.D. plate) will assist in ordering the proper kits.
6. Contact your local FEBCO Parts Distributor.
REPAIR KITS
805YD/806YD Assemblies/Kits
Description 2
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"3"4"6"8"10"
Model 805YD Spring Assembly
(Items: 3. 4.1, 5, 6, 7, 7.1, 7.2, 9, 11, 15, 50) 905-086 905-088 905-467 902-469 902-471 902-473
Model 805YD/806YD Rubber Parts
(Items: 11, 14, 50) 905-059 905-060 905-061 905062 905-063 905-064
Model 805YD/806YD Seat Kit
(Items: 2, 2.1, 2.2, 12) 902-386YD 902-385YD 902-384YD 902-383YD 902-382YD 902-381YD
Model 805YD/806YD Lg. Mounting Kit
(Items: 16, 17, 17.1; Both Ends) 905-036 905-037 905-038 905-039 905-040 905-041
Model 805YD/806YD Cover Assembly
(Items: 4, 4.1, 14, Aircock (not shown) 902-497 902-498 902-499 902-500 902-501 902-502
Model 806YD Spring Assembly
(Items: 3, 4.1, 5, 6, 7, 7.1, 7.2, 9, 11, 15, 50) - - 902-514 902-515 902-516 902-517
Model 806YD By-Pass Kit (without meter)
(Items: 301 through 313) - 905-138 905-138 905-138 905-138 905-138
Page 2 FEBCO Model 805YD & 806YD (2
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" - 10")
Symptom #1
Check fails to hold 1.0 PSID min.
Symptom #2
Chatter during flow conditions.
Symptom #3
Low flows passing through the
mainline valve (806YD only).
Cause:
A. Debris on sealing surfaces
B. Leaking shut-off valve
C. Damaged seat disc or seat ring
D. Damaged guide holding check open
E. Weak or broken spring
Cause:
A. Worn or damaged guide
Cause:
A. Mainline check fouled
B. Meter strainer plugged
C. Damaged mainline seat disc or seat
D. Broken mainline spring
Solution:
Disassemble and clean
Disassemble and clean or repair
Disassemble and replace
Disassemble and replace guide pin
and/or sleeve bushing
Disassemble and replace spring
Solution:
Disassemble & repair or replace guide
Solution:
Disassemble and clean
Disassemble and clean
Disassemble and replace
Disassemble and replace
TROUBLE SHOOTING GUIDE