Motor Guard AC-4535 User manual

INSTRUCTIONS .
MODEL AC-4535
COMBINATION
FILTER/REGULATOR
580 CARNEGIE STREET 1-800-227-2822
MANTECA, CA 95337 FAX [phone]
www.motorguard.com
Rev 01/18 33154
The AC-4525 Filter/Regulator combines a precision regulator and a particulate filter into an economical air control unit that provides clean regulated air
to every drop in the shop.
FEATURES
True Diaphragm, Self-Relieving Pressure Control
Full-Range Adjustment
Rugged, Easily Adjustable T-Handle
Easy to Read Gauge with Durable Glass Lens
5 Micron Sintered Bronze Replaceable Element
Highly Visible, Ball-Float Type Sight Glass
Non-Clogging Manual Drain
SPECIFICATIONS
Maximum Airflow: 100 CFM
Operating Temperature Range: 40-175 F
Maximum Inlet Pressure: 250 PSI
Outlet Pressure Range: 2-125 PSI
Before installing unit, relieve upstream pressure completely. Install unit in air supply line upstream of lubricators. Unit should be installed as close as
possible to tools or appliances served. Install so that airflow is in the direction indicated by the arrow on side of the unit. Unit is designed for installation
in a 1/2" line, use appropriate fittings for installation in other line sizes. Apply pipe thread compound to male thread connections. Install gauge, using
pipe thread compound.
WARNING: This product is intended for use on industrial compressed air systems only. It is not to be used on life support or breathing air
systems. Do not install where pressures or temperatures can exceed those listed above.
Before pressurizing, be sure bowl is turned fully clockwise. Pressurize slowly to avoid high-pressure surge.
Before pressurizing regulator, back off T-Handle (1) to relieve pressure. Pressurize and adjust handle clockwise slowly until desired pressure is attained
on gauge (2). To lock pressure, tighten nut on T-Handle stem.
Inspect daily for leaks.
Check level of accumulated liquid daily at sight glass (4) and drain moisture by turning drain cock (3) counter-clockwise.
INSTALLATION .
OPERATION .

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On detection of air leaks, pressure fluctuation or pressure creep, depressurize system, remove bonnet and inspect diaphragm and seat for wear or
foreign materials.
WARNING: Shut off air supply and drain residual pressure before attempting to service any part of the system!
Diaphragm Replacement
Remove four screws holding bonnet. Remove diaphragm and spring. Clean diaphragm seat and replace diaphragm and spring. Replace bonnet and
reinstall screws. Tighten gradually and firmly.
Filter Cleaning
Wash filter element regularly with kerosene to maintain filtration efficiency. To clean element, depressurize system, unscrew bowl and remove element
and baffle. Wash element and dry thoroughly before replacing. Wash sludge and sediment from bowl with warm soapy water. Inspect O-ring and
replace if damaged or distorted. Reassemble bowl, taking care not to damage threads. After bowl is tightened it may be rotated up to 180° for proper
viewing.
Filter Replacement
Follow procedure outlined above for the replacement of the filter element.
Replacement Parts
MAINTENANCE .
Key
Part No.
Ord. No.
Description
Qty.
1
EL4020
74020
Element, Particulate, 5 Micron
1
2
RK4033
74033
Diaphragm, Relieving
1
3
RG4045
74045
Gauge, 0-160 PSI
1
4
RK4047
74047
O-Ring, Bowl, Std. Flow
1
5
EL4003
74003
Bowl Kit w/ Sight, Std. Flow
1
6
RK4204
74204
Sight Tube Kit, Std. Flow
1