MotorGuide AD-1000 User manual

INSTRUCTIONS .
MODEL AD-1000
AUTOMATIC DRAIN
580 CARNEGIE STREET 1-800-227-2822
MANTECA, CA 95337 FAX [phone]
www.motorguard.com
Rev 01/18 33152
The AD-1000 Automatic Drain is designed to drain accumulated water and oil from drain lines, condensate drop legs, receiver tanks and filters. The unit
features a top threaded port for ease of installation. A protective stainless steel screen, umbrella baffle and large sump area collect moisture, oil sludge
and dirt. An internal float drain automatically empties bowl of accumulated liquid while minimizing air loss.
FEATURES
Highly Visible, Ball-Float Type Sight Glass
Stainless Steel Screen
Non-Clogging Float-Type Drain
SPECIFICATIONS
Operating Temperature Range: 40 -120 F
Maximum Inlet Pressure: 175 PSI
Port Size: 1/2 NPT
Before installing unit, relieve upstream pressure completely. Install unit (1) at lowest point in system and at the bottom of long vertical drops. Slope
adjacent piping toward drain for best results. Install manual shut-off valve (2) (field supplied) upstream of unit to facilitate service. 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 unit
level with drain facing down.
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.
Inspect daily for leaks.
INSTALLATION .
OPERATION .

33152
Page 2
WARNING: Shut off air supply and drain residual pressure before attempting to service any part of the system!
Screen Cleaning
The filter screen is intended to trap large particles and should be removed regularly for cleaning. Remove and clean with mild detergent, drying
completely before replacing.
Float Valve Cleaning
If the drain remains open continuously it will be necessary to remove and clean the float valve assembly. Remove bowl an invert. Grasp drain
nipple with pliers and rotate clockwise until flat valve drops out. Inspect O-ring and replace if necessary. Soak valve assembly in mild
detergent for several hours. Blow dry with light air and reassemble
Replacement Parts
MAINTENANCE .
Key
Part No.
Ord. No.
Description
Qty.
1
Screen
1
2
AS4054
74054
Automatic Drain, Float
1
3
RK4047
74047
O-Ring, Bowl, Std. Flow
1
4
EL4003
74003
Bowl Kit w/ Sight, Std. Flow
1
5
RK4204
74204
Sight Tube Kit, Std. Flow
1