Low Oil Guard
for 5 to 25 HP
Compressors
Please read and save these instructions. Read carefully before attempting to assemble, install, operate or maintain the product described.
Protect yourself and others by observing all safety information. Failure to comply with instructions could result in personal injury and/or prop-
erty damage! Retain instructions for future reference.
© 2000 Campbell Hausfeld
Unpacking
Inspect for any damage that may have
occurred during transit. Check the parts
list to verify all the parts are accounted
for.
General Safety Information
Always disconnect,
lockout and tag
power before attempting to install,
service, relocate or perform any main-
tenance.
1. Read this instruction
manual before
installing this device
to the compressor
pump.
2. Read operator's instructions for
each component of compressor
package before putting into service.
3. Follow all local electrical and safety
codes, the United States National
Electric Code (NEC) and Occupational
Safety and Health Act (OSHA).
4. Electrical devices must always be
securely and adequately grounded.
Release all system pres-
sure before attempting
to install, service, relo-
cate or perform any maintenance.
5. Do not open the top housing cover
while the device is operating.
6. Do not bind the cord or allow the
cord to come in contact with oil,
grease, chemicals, or sharp object.
!
WARNING
!
WARNING
Operating Instructions and Parts Manual
TF0628
7. After installation, inspect to make
sure all components seal properly.
8. Inspect to make certain that all fit-
tings, bolts, etc. are tight and secure.
All wiring must be done
by a qualified (certified
or licensed) electrician.
Specifications
This device can be used with the follow-
ing 5 through 25 HP, 230V single-phase
and 208/230V three-phase, two-stage,
Campbell Hausfeld compressors: TF
models, TK models, HD models, CI mod-
els and PROV models.
Installation
Release all system pres-
sure before attempting
to install, service, relocate or perform
any maintenance.
IMPORTANT:
The compressor must be
level for the low oil guard to operate
properly. If necessary, shim the mount-
ing feet to bring the base on top of the
tank to a level position.
MECHANICAL INSTALLATION
1. Drain oil from crankcase.
2. Remove the oil level sight glass
from the compressor.
3. Install the o-ring in groove on the
adapter (See Figure 1).
4. Install the adapter in the oil sight
glass opening.
!
WARNING
!
WARNING
IN186602AV 9/00
Description
Campbell Hausfeld oil-level monitor is an accessory for two-stage air compressor
pumps. This monitor measures the level of oil in the compressor and shuts the
pump down if the level drops below a minimum. Can be used with 208-230 volt
single-phase and 208-230 volt three-phase, two-stage, cast iron Campbell Hausfeld
air compressor pumps equipped with a magnetic starter.
5. Push the oil level guard housing on
to the adapter (See Figure 2).
6. Tighten set screws in housing until
snug and then re-install oil level sight
glass on the front of the housing
(See Figure 3).
ELECTRICAL INSTALLATION
Always disconnect, lock-
out and tag power
before attempting to
install, service, relocate
or perform any maintenance.
Use the diagram in Figure 4, 5 or 6 to
wire the unit to the compressor.
INITIAL TEST
After the mechanical and electrical in-
stallation is completed, the oil level
!
WARNING
MANUAL
O-ring
Adapter
Figure 1 - Install O-ring
Housing
Pump
Figure 2
Sight Glass
Tighten
Set Screws
Figure 3
BUILT TO LAST
TM
For parts, product & service information
visit
www.chpower.com
