Ramsey Winch RPH-12000 - Manual (Page 6)

HYDRAULIC SYSTEM REQUIREMENTS
Refer to the performance charts below to properly match your hydraulic system to the winch performance. The
charts consist of:
(1) Line Pull first layer (lb.) vs. Working Pressure (PSI)
(2) Line Speed, first layer (FPM) vs. flow (GPM)
SYSTEM REQUIREMENTS
2500 PSI RELIEF VALVE SETTING
15 GPM FLOW RATE
DO NOT EXCEED 20 GPM--MOTOR AND WINCH MAY BE DAMAGED
10 MICRON NOMINAL FILTRATION
SYSTEM
RELIEF
3 POSITION
4 WAY VALVE
(MOTOR SPOOL)
MAX. FLOW &
PRESSURE AT
RATED LOAD:
15 GPM
2500 PSI
HIGH PRESSURE LINE
(.50 I.D. MINIMUM)
LOW PRESSURE LINE
(.75 I.D. MINIMUM)
PUMP
PORT CONTROL
B
WITH BRAKE RELEASE SHUTTLE
MOTOR
BRAKE
PORT
A
FLOW (GPM)
2500
2000
2250
10 5 15
LINE PULL, FIRS
T LA
YE
R (LB.)
WORKING PRESSURE, PSI
AT 15 GPM
0
4000
2000
0 500 1000 1500 2000 2500
10000
6000
8000
12000
RELI
E
F
VA
LV
E SE
T
T
ING
LINE
S
P
E
E
D, FIRS
T LA
YE
R (ft/m
in)
FLOW (GPM)
5
0
0
10
5 10 15
30
15
20
25
35
6
TYPICAL LAYOUT
PERFORMANCE CHARTS