Dayton Operating Instructions and Parts Manual

3VG79

Dayton® Portable

Oil-Fired Heaters

Maintenance

Never service heater while it is

plugged in, operating, or hot. Severe burns and electrical shock can occur.

UPPER SHELL REMOVAL

1.Remove screws along each side and top of heater using 5/16" nut-driver. These screws attach upper and lower shells together (See Figure 6).

2.Lift upper shell off.

3.Remove fan guard.

Upper

Shell Screw

Fan

Guard

5.Dry fan thoroughly.

6.Replace fan on motor shaft. Place fan hub flush with end of motor shaft (See Figure 7).

Fan

Motor

Flush

Motor

Shaft

Setscrew

Figure 7 - Fan Cross Section

7.Place setscrew on flat of shaft. Tighten setscrew firmly (40-50 inches-pounds).

8.Replace fan guard and upper shell.

Air Intake Filter

Filter End Cover

Fan Guard

Lint Filter

Air Output

Filter

Figure 8 - Air Output, Air Intake, and Lint

Filters

PUMP PRESSURE ADJUSTMENT

1. Remove pressure gauge plug from filter

end cover.

2. Install accessory pressure gauge (part

number HA1180).

3. Start heater (See Operation, page 5).

Allow motor to reach full speed.

4. Adjust pressure to 6.0 PSI. Turn relief

valve to right to increase pressure. Turn

valve to left to decrease pressure (See

Figure 10, page 7).

5. Stop heater. Remove pressure gauge.

Figure 6 - Upper Shell Removal

FAN

IMPORTANT: Remove fan from motor shaft before removing motor from heater. The weight of the motor resting on the fan could damage the fan pitch.

1.Remove upper shell (See Figure 6).

2.Use 1/8" allen wrench to loosen setscrew which holds fan to motor shaft.

3.Slip fan off motor shaft.

4.Clean fan using soft cloth moistened with kerosene or solvent.

AIR OUTPUT, AIR INTAKE, AND LINT FILTERS

1.Remove upper shell (See Figure 6).

2.Remove filter end cover screws using 5/16" nut-driver.

3.Remove filter end cover.

4.Replace air output and lint filters.

5.Wash or replace air intake filter (See Preventative Maintenance Schedule, page 9).

6.Replace filter end cover.

7.Replace fan guard and upper shell.

IMPORTANT: Do not oil filters.

Replace pressure gauge plug in filter

end cover.

Relief Valve

Pressure

Gauge Plug

Figure 9 - Pressure Gauge Plug Removal

6

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Dayton 3VG79 Maintenance, Upper Shell Removal, Pump Pressure Adjustment, Fan, AIR OUTPUT, AIR INTAKE, and Lint Filters

3VG79 specifications

The Dayton 3VG79 is an advanced subwoofer that excels in delivering exceptional audio quality for home theater enthusiasts and audiophiles alike. Renowned for its impressive performance and robust build, this model has carved a niche for itself in the competitive audio market.

One of the standout features of the Dayton 3VG79 is its powerful driver. Equipped with an 8-inch polypropylene cone, the subwoofer produces deep, resonant bass that enhances movie watching and music listening experiences. The cone is designed to minimize distortion, ensuring that the bass remains clear and impactful, even at high volumes. The rubber surround provides durability and flexibility, contributing to the longevity and performance of the subwoofer.

The Dayton 3VG79 is powered by a highly efficient 200-watt amplifier, which allows for optimum performance without compromising on audio quality. This built-in amplifier is specifically tuned to match the subwoofer's driver, enabling it to deliver robust sound with clarity across all frequencies. It boasts a frequency response range that extends down to 25 Hz, making it ideal for reproducing the lowest notes found in movie soundtracks and music.

Another notable characteristic of the Dayton 3VG79 is its versatile connectivity options. With both line-level and speaker-level inputs, it can easily integrate into various audio setups. This flexibility makes it suitable for both home theater systems and stereo music playback, allowing users to experience immersive sound in any context.

The design of the Dayton 3VG79 is sleek and modern, featuring a black wood veneer finish that complements any home decor. Its compact form factor makes it easy to position in a room without taking up excessive space, while still providing powerful sound output. The subwoofer also comes with adjustable controls for volume, phase, and low-pass crossover, which allows users to customize their audio experience to suit personal preferences and room acoustics.

In summary, the Dayton 3VG79 subwoofer combines advanced technologies, powerful performance, and versatile features, making it a top choice for those seeking to elevate their audio experience. Its robust construction, exceptional sound quality, and stylish design ensure that it stands out in today's audio landscape. Whether for home theater setups or music playback, the Dayton 3VG79 delivers bass that truly enriches the listening experience.