BRAND Hydraulics FC FLOW CONTROL (FC51, FC55, FCR51 & FCB51) - Manual (Page 2)

04/14
TROUBLESHOOTING:
Problem: Valve chatters or has stability issues. Instability generally occurs when the valve sees an application that has
rapidly changing loads. (ie: Fan, Vibration, etc.) Because of these changing loads the compensator spool tries to compensate
rapidly. This causes the valve to become unstable, as well as begin to make noises, including a chatter.
Solution: Most instability issues can be solved by using a different compensator spool. A replacement spool designed for
load changing applications can be ordered. (Part #: XDC609)
GENERAL INFORMATION:
Pipe Thread Sealant - Warranty is void when Teflon tape is used to seal pipe threads. This is because Teflon tape is a
friction reducing agent which allows customers to over-torque fittings. We recommend using a sealant that does not include
friction reducing agents i.e. Lead Plate.
DIMENSIONAL DATA:
FCR51 & FC51 DIMENSIONAL DATA (FCR51 SHOWN)
2
.1
3
"
[5
4
.0
]
0.88" [22.4]
3.88" [98.4]
0.35" [8.9] REF.
Ш
9
32
" [Ш7.1] THRU
(2 PLACES)
2.30" [58.5] REF. 0.94" [23.8] REF.
1
.8
8
"
[4
7
.6
]
4
.9
4
"
[1
2
5
.6
]
5
.9
9
"
[1
5
2
.1
]
1.88" [47.6] 0.12" [3.2]
2.75" [69.8]