Float Actuated Oil Level Swichgage
Installation Instructions
Models L100, L100W, L120, L127, and L128
Read the following information before installing. A visual inspection of this product for damage during shipping is recommended
before mounting. These installation instructions are intended for all L100, L120, L127, and L128 Series models.
WARNING
BEFORE BEGINNING INSTALLATION OF THIS MURPHY PRODUCT
✔ ✔
Disconnect all electrical power to the machine.
✔ ✔
Make sure the machine cannot operate during installation.
✔ ✔
Follow all safety warnings of the machine manufacturer.
✔ ✔
Read and follow all installation instructions.
Description
The L100, L100W series are general purpose level Swichgage instruments
designed for small engines and pumps. They connect to the crankcase
through a 1/4 NPT pipe nipple and/or 1/2 NPT fittings.
The L120, L127 and L128 series Lube Level Swichgage instruments are
designed for specific engines and mount directly to the machined surface on
the crankcase.
■
L120 Series fits engines previously manufactured by Witte Engine Works,
Lufkin Industries and now manufactured by Arrow Speciality Company.
■
L127 Series fits Fairbanks-Morse ZC series engines, Bell Manufacturing,
and similar engines.
■
L128 Series fits Arrow Speciality engines and the Climax/Continental
Emsco series.
L100 and L100W
3-1/8 in.
(79 mm)
GENERAL INFORMATION
DIMENSIONS
2-1/8 in.
(54 mm)
C L
27/32 in.
(21 mm)
L127 and L128
2-15/64 in.
**
Mounting
(57 mm)
holes 4 places
5/16 in. (8 mm)
diameter
2-3/4 in.
2-15/64 in.
(70 mm)
(57 mm)
*
Applies to L128 only
**
Applies to L127 only
00-02-0172 page 1 of 2
®
instrument
Specifications
L100/L100W
L120
L127
L128
†
Products covered by this literature comply with EMC Council directive 89/336/EEC
regarding electromagnetic compatibility except as noted.
L120
3-3/8 in.
(86 mm)
*
2-1/2 in.
L128 Mounting Dimensions
(64 mm)
* *
2 in.
(51 mm)
3/8 in.
(10 mm)
Oil inlet
holes
Mounting
holes 2 places
5/16 in. (8 mm)
L100
Contact
Rating
Case
Float
2A 30 V
Aluminum
Brass
2A 30 V
Aluminum
Brass
2A 30 V
Nylon
Brass
2A 30 V
Nylon
Brass
2-1/8 in.
2-7/32 in.
(54 mm)
(56 mm)
4-5/16 in.
(110 mm)
Mounting Holes 4 places,
5/16 in. (8 mm) diameter
47/64 in.
(19 mm)
17/32 in.
(13 mm)
1-17/32 in.
(39 mm)
00-02-0172
Revised 03-07
Section 15
†
L127/L128
Gasket
Neo-Cork
Buna-N
Buna-N
Neo-Cork
2-7/32 in.
(56 mm)
Need help?
Do you have a question about the L100 and is the answer not in the manual?
Questions and answers