Murphy Automobile Parts RP2307B User Manual

RPS-00092B  
Revised 11-03  
Catalog Section 40  
(00-02-0107)  
Pull/Push DC Solenoids for  
Diesel Engines  
RP Series  
One Solenoid For Pull/Push Operation  
No Internal Switches  
Reduce Coil Burnout  
Boost Reliability  
Reduce Adjustments  
High Force–Small Size  
RP2309B & RP2310B  
Can Be Used With Most Engines  
Start Systems  
SD85 Solenoid Drive Time Delay  
Available To Greatly Reduce Possibility  
Of Coil Burnout And Facilitate Low  
Current Piloted Operation.  
RP2307B & RP2308B  
They will operate at any stroke less than  
maximum; refer to the chart shown on  
page 2.  
with each operation. If the plunger does  
not seat in that time, it is highly  
unlikely it will seat. The hold coil is  
energized as long as the signal to the  
SD85 is active. This insures long life of  
the RP solenoid.  
Description  
Murphy push/pull DC Solenoids  
provide single unit versatility for engine  
applications, such as shutdown.  
Models RP2309B and RP2310B can  
pull 14 pounds (62 N) with a one-and-a-  
half inch (38 mm) stroke. They hold up  
to 34 pounds (151 N) at full voltage,  
continuous duty. See the chart on page 2  
for holding force at any stroke less than  
maximum.  
A choice of two models and two  
voltages is available. All models come  
complete with return spring and rubber  
seal boot. See the next page for  
specifications and options.  
Warranty  
A limited warranty on materials and workmanship  
is given with this FW Murphy product. A copy of  
the warranty may be viewed or printed by going  
Basic Models  
Models RP2307B and RP2308B give a  
full one inch (25 mm) stroke at 11  
pounds (49 N) and hold up to 23 pounds  
(102 N) at full voltage, continuous duty.  
SD85 Solenoid Drive  
Time Delay  
Using the SD85 ensures the energize  
coil is only powered for 1-2 seconds  
MODEL & PART NUMBERS:  
DC SOLENOIDS & ACCESSORIES  
Description  
12 VDC, 1 in. (25 mm) stroke, 11 lbf (49 N) pull, 23 lbf (102 N) hold  
24 VDC, 1 in. (25 mm) stroke, 11 lbf (49 N) pull, 23 lbf (102 N) hold  
12 VDC, 1-1/2 in. (38 mm) stroke, 14 lbf (62 N) pull, 34 lbf (151 N) hold  
24VDC, 1-1/2 in. (38 mm) stroke, 14 lbf (62 N) pull, 34 lbf (151 N) hold  
SHIPPING WEIGHT  
ozs (kg)  
24 ozs (0.7 kg)  
24 ozs (0.7 kg)  
48 ozs (1.4 kg)  
48 ozs (1.4 kg)  
Model No.  
RP2307B  
RP2308B  
RP2309B  
RP2310B  
65-01-0108  
65-01-0110  
Clevis yoke assembly  
Clevis yoke chain assembly  
1 ozs (.03 kg)  
2 ozs (.04 kg)  
40-05-0315  
00-00-2457  
00-00-2458  
Threaded rod (1-1/2 in.)  
RPS in-line ball joint  
RPS 90° ball joint  
.05 ozs (.001 kg)  
.05 ozs (.001 kg)  
1 ozs (.03 kg)  
RPS-00092B page 1 of 4  
 
Typical Wiring Diagrams  
Typical time-delayed shutdown using a 518PH magnetic switch  
(SD85 is optional)  
CAUTION: On certain starter solenoids/contactor relays,  
NOTE: In either application if the starter  
hangs, on starters with integral solenoids, the  
energize coil remains energized.  
current can feed back through the energize terminal  
from the hold coil and provide a parallel path to ground  
through the device connected to the energize terminal.  
*
10 AWG  
B
ST  
1
2
3
4
5
Battery  
N.O.  
518PH  
SD85  
IG  
20P-F  
20T-F  
TATTLETALE®  
Start Key  
Switch  
SW SW  
G
NC  
B
1
2
Starter  
Motor  
SWICHGAGE®  
Instruments  
In-Line  
Fuse  
*
10 AWG  
OFF  
*
10 AWG  
Starter Contactor  
Relay  
Typical Closed Loop™ Circuit  
*
10 AWG  
RP2300 Series  
ON  
Solenoid  
Energize  
Hold  
Emergency  
Stop  
*Wires must be minimum 10 AWG (65/0.3 mm [4.5 mm]) to develop full force.  
Fuel Lever  
Typical time-delayed shutdown using a 760A magnetic switch  
(SD85 is optional)  
*
10 AWG  
Existing  
Start  
System  
OFF  
Turn OFF for  
Emergency Stop  
1
2
3
4
5
Battery  
ON  
N.O.  
SD85  
Key Switch  
OFF: No power.  
START  
ON: Power to hold coil of  
fuel solenoid.  
Starter  
Motor  
START: Power to energize  
coil of fuel solenoid.  
Starter Contactor  
Relay  
760A  
*
*
10 AWG  
10 AWG  
ON  
Time-Delay  
Before Shutdown  
20P  
20T  
*
10 AWG  
RP2300 Series  
Solenoid  
OFF  
G
NO NC  
S
B
Energize  
Hold  
SWICHGAGE®  
Instruments  
*Wires must be minimum 10 AWG (65/0.3 mm [4.5 mm]) to develop full force.  
Fuel Lever  
Mechanical Installation  
Operation  
1.Bolt the solenoid securely to the mounting bracket. The solenoid coil is connected to the existing engine starter  
2.Connect linkage and check for binding. Plunger should move system or an equivalent circuit. A SD85 is recommended. At  
freely throughout the complete stroke and be allowed to starting, both the Energize and Hold-in coils are energized. In  
“bottom” at the internal stop of the solenoid.  
the run mode, the Hold-in coil is continuously energized while  
the Energize coil has to be disconnected, reducing the heating  
effect and power consumption and avoiding damage to the  
device.  
DO NOT MOUNT WITH BOOT DOWN.  
DO NOT APPLY ANY GREASE OR LUBRICATION TO PARTS.  
IMPORTANT: If the plunger does not seat, it will release  
prematurely when shifted to the “holding” mode of operation.  
Readjust linkage to lengthen the plunger stroke. Adjust the yoke  
in increments of 1/2 turn until plunger will remain in hold  
position.  
NOTE: Coils that burn out due to improper electrical hookup,  
misadjustment or improper operation are not covered by Murphy  
factory warranty.  
CAUTION: The solenoid housing is hot to the  
touch. A temperature rise to 185°F (85°C) is  
permissible.  
Electrical Installation  
1.Refer to the diagrams above for typical electric wiring.  
2.Use minimum 10 AWG [65/0.3 mm (4.5 mm)] wire size, as  
noted in the wiring diagrams. A smaller wire will reduce the  
current available and thus the pulling force. Wire length must  
be kept to a minimum.  
NOTE: A cool down period of 15 minutes minimum should be  
allowed between energized pull in cycles.  
RPS-00092B page 3 of 4  
 
Accessories  
RPS Linkage Parts and Assemblies  
1-1/2 in.  
(38 mm)  
Threaded Rod  
(40-05-0315)  
1/4-28 Threads  
SD85: Solenoid Drive Time Delay  
The SD85 is used when the solenoid is duty cycled for short time  
periods such as 2-position throttle operation. It also provides  
enhanced operational control for normal on-off applications. The  
SD85 activates both coils of the solenoid for a short time then de-  
energizes the Energize-coil. The Hold-in coil remains energized.  
RPS 90° Ball Joint  
(00-00-2458)  
1/4-28  
Threads  
1-1/4 in.  
(32 mm)  
3/8 in.  
(9 mm)  
SD85: Specifications  
Input Voltage 8 to 30 VDC  
Current Ratings:  
1-1/4 in.  
(32 mm)  
40 ma standby (quiescent) 8 to 30 VDC  
75 Amps Pull-in @12 VDC  
1 Amps Hold @ 12 VDC  
37.5 Amps Pull-in @ 24 VDC  
0.5 Amps Hold @ 24 VDC  
RPS In-Line Ball Joint (00-00-2457)  
2 in.  
(51 mm)  
Terminal #3 2 Amps Maximum  
Terminal #5 112.5 Amps Maximum during Pull-in  
3/8 in.  
(9 mm)  
2-1/4 in.  
(57 mm)  
1/4-28 Threads  
Clevis Yoke Bead Chain Assemblies  
65-01-0110  
2-3/16 in.  
(56 mm)  
Mounting Holes  
3/16 in. (5 mm)  
diameter 2-places  
12 inch  
(300 mm)  
Chain  
2-1/2 in. (64 mm)  
Mounting Holes  
3 in. (76 mm)  
SD85 Terminal Block  
1
2
3
4
5
Clevis Yoke Assembly  
65-01-0108  
1/16 in.  
(2 mm)  
diameter  
10 ga.  
10 ga.  
10 ga.  
1/16 x 3/8  
Cotter Pin  
NC  
7/8 in.  
(22 mm)  
TATTLETALE®  
Option  
B
1/4-28  
Thread  
Control  
Switch  
5/8 in.  
(16 mm)  
(continuous HOLD  
power to #2 and  
temporary PULL  
power to #4)  
2 in.  
(51 mm)  
12-24 VDC  
NOTE: Wires designated 10 ga. must be  
at least 10 AWG [65/0.3 mm (4.5 mm)] to  
develop full force.  
1/4 in. (6 mm) diameter  
Clevis Yoke  
Solenoid  
CONTROL SYSTEMS & SERVICES DIVISION  
P.O. Box 1819; Rosenberg, Texas 77471; USA  
+1 281 633 4500 fax +1 281 633 4588  
FRANK W. MURPHY, LTD.  
MACQUARRIE CORPORATION  
1620 Hume Highway  
Church Rd.; Laverstock, Salisbury SP1 1QZ; U.K.  
+44 1722 410055 fax +44 1722 410088  
Campbellfield, Vic 3061; Australia  
+61 3 9358 5555 fax +61 3 9358 5558  
FW Murphy  
P.O. Box 470248  
MURPHY DE MEXICO, S.A. DE C.V.  
Blvd. Antonio Rocha Cordero 300, Fracción del Aguaje  
San Luis Potosí, S.L.P.; México 78384  
+52 444 8206264 fax +52 444 8206336  
Villahermosa Office +52 993 3162117  
MURPHY SWITCH OF CALIFORNIA  
41343 12th Street West  
Palmdale, California 93551-1442; USA  
+1 661 272 4700 fax +1 661 947 7570  
Tulsa, Oklahoma 74147 USA  
+1 918 317 4100  
fax +1 918 317 4266  
USA–ISO 9001:2000 FM 28221  
UK–ISO 9001:2000 FM 29422  
In order to consistently bring you the highest quality, full featured products, we reserve the right to change our specifications and designs at any time.  
Printed in U.S.A.  
RPS-00092B page 4 of 4  
 

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