Ramsey Winch HD-P8000 FOR NRC - Manual (Page 6)

WORKING PRESSURE (PSI) AT 15 GPM GALLONS PER MINUTE (GPM)
LINE
PULL-F
IRST
L
AYER (LB)
LI
NE SPEE
D
-F
IRST
LAYER (F
PM)
0 5 10 15
10
20
30
40
0
0
1000
2000
3000
4000
5000
6000
7000
8000
1000 2000 2500
50
BASED ON 15.5 CU. IN. MOTOR
1500 500
PERFORMANCE CHARTS
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
MOTOR SPOOL (OPEN CENTER) CONTROL VALVE REQUIRED
2500 PSI RELIEF VALVE SETTING
15 GPM FLOW RATE
DO NOT EXCEED 20 GPM--MOTOR AND WINCH MAY BE DAMAGED
10 MICRON NOMINAL FILTRATION
B
TYPICAL LAYOUT
WITH BRAKE RELEASE SHUTTLE
MOTOR
BRAKE
PORT
A
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)
PORT CONTROL
4