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OPERATING RANGE OF THE SNAP-SWITCH
LM2000 Typical Installation Shown with FSV Series Valves
Normal
Operating Range
Approx. Normal levels
in feet of head.
Low Zone
Shutdown
10’
25’
4’
3/4 in.
(19 mm)
1/4 in.
(6 mm)
Figure 6
Figure 6 shows the LM2000 dial and the operating range of the switch.
If level is within the designated zones the switch will activate.
The switch activates approximately 1/4 in. (6 mm) from the bottom of the
low zone. The dial in Figure 6 shows that if level continues to drop into
the low-low zone, a shutdown will occur.
NOTE: Color zones on dial face show approximate normal operating
zones. Actual conditions may vary depending upon operating characteris-
tics of the engine. Placement of the LM2000 according to the above
instructions will compensate for these conditions.
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 to www
.fwmurphy.com/support/warranty.htm
Shutoff
Valve
Oil Outlet
Electrical Conduit
wire to switch circuits
Oil
Inlet
LM2000
Oil Level Maintainer
CRANKCASE
CLEAN Oil Supply Tank.
Height above LM recommended
2 ft. (0.6m) minimum and 25 ft
(7.7m) maximum.
For vented crankcase use the
plastic vent plug or optional
vent tube kit (15000954).
For sealed systems, vent must be
piped back to crankcase,
above oil level.
WARNING:
Perform this installation using appropriate
protection. Trapped air and hot oil may cause burns.
LM2000 Typical Installation
LM-00011N page 4 of 4
CONTROL SYSTEMS & SERVICES DIVISION
P.O. Box 1819; Rosenberg, Texas 77471; USA
+1 281 633 4500 fax+1 281 633 4588
e-mailsales@fwmurphy.com
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
e-mailventas@murphymex.com.mx
www.murphymex.com.mx
FRANK W. MURPHY, LTD.
Church Rd.; Laverstock, Salisbury SP1 1QZ; U.K.
+44 1722 410055 fax+44 1722 410088
e-mailsales@fwmurphy.co.uk
www.fwmurphy.co.uk
MURPHY SWITCH OF CALIFORNIA
41343 12th Street West
Palmdale, California 93551-1442; USA
+1 661 272 4700 fax+1 661 947 7570
e-mailsales@murphyswitch.com
www.murphyswitch.com
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.
MACQUARRIE CORPORATION
1620 Hume Highway
Campbellfield, Vic 3061; Australia
+61 3 9358 5555 fax+61 3 9358 5558
e-mailmurphy@macquarrie.com.au
FW Murphy
P.O. Box 470248
Tulsa, Oklahoma 74147 USA
+1 918 317 4100
fax +1 918 317 4266
e-mail sales@fwmurphy.com
www.fwmurphy.com
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USA–ISO 9001:2000 FM 28221
UK–ISO 9001:2000 FM 29422
Printed in U.S.A.