Hobart OM-353 Adjusting Spark Gaps, Troubleshooting, Turn Off power before adjusting spark gaps

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5-3. Adjusting Spark Gaps

4 4

3

3

2

1

Tools Needed:

YTurn Off power before adjusting spark gaps.

Open access door.

1 Tungsten End Of Point

Replace point if tungsten end dis- appears; do not clean or dress tungsten.

2 Spark Gap

Normal spark gap is 0.008 in (0.203 mm).

If adjustment is needed, proceed as follows:

3 Adjustment Screws

Loosen screws. Place gauge of proper thickness in spark gap.

4 Pressure Point

Apply slight pressure at point until gauge is held firmly in gap. Tighten screws to 12 in/lbs torque (overtigh- tening will deform plastic base). Ad- just other gap.

Close access door.

Ref. ST-154 795-C

5-4. Troubleshooting

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Trouble

 

Remedy

 

 

 

 

 

No weld output; unit completely

Place line disconnect switch in On position (see Section 3-11).

inoperative.

 

 

Check and replace line fuse(s), if necessary (see Section 3-11).

 

 

 

 

 

 

 

 

 

 

 

Check for proper input power connections (see Section 3-11).

 

 

 

 

 

 

 

 

Check for proper jumper link position (see Section 3-11).

 

 

 

 

 

No weld output; unit on.

If using remote control, place Output switch in Remote 14 position, and make sure remote control is

 

 

 

connected to Remote 14 receptacle. If remote is not being used, place Output (Contactor) switch in

 

 

 

On position.

 

 

 

 

 

 

 

 

Check, repair, or replace remote control.

 

 

 

 

 

 

 

 

Unit overheated. Allow unit to cool with fan On (see Section 3-3).

 

 

 

 

 

 

 

 

Have Factory Authorized Service Agent check control board PC1.

 

 

 

 

 

 

 

 

 

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Contents Processes OM-353122200UDescription From Hobart to You Table of Contents Page Electric Shock can kill Symbol UsageMarks a special safety message Arc Welding HazardsBuildup of GAS can injure or kill ARC Rays can burn eyes and skinWelding can cause fire or explosion Flying Metal can injure eyesPrincipal Safety Standards About Pacemakers EMF InformationLES Fumé ES ET LES GAZ peuvent ê tre dangereux Signification des symbolesConsignes DE Securite Lire Avant Utilisation UN Choc É Lectrique peut tuerDES Particules Volantes peuvent blesser les yeux LE Soudage peut provoquer un incendie ou une explosionLE Bruit peut affecter l’ouïe DES Organes Mobiles peuvent provoquer des blessures Risque D’INCENDIE OULA Chute DE L’APPAREIL peut blesser ’EMPLOI Excessif peutInformation sur les champs é lectromagné tiques Principales normes de sé curitéConsignes relatives aux stimulateurs cardiaques Definitions + + +Rating Label For CE Products ISO/IECSome symbols are found only on CE products Symbols And DefinitionsVolt-Ampere Curves InstallationSpecifications DC Mode AC Mode60% Duty Cycle At 200 Amperes Duty Cycle And OverheatingOverheating Selecting a Location Dimensions And WeightsMovement Location And Airflow ARC Welding can cause Electromagnetic Interference Be careful when placing or moving unit over uneven surfacesTipping Weld Output Terminals And Selecting Cable SizesSocket Turn Off power before connecting to receptacleRemote 14 Receptacle Volts AC Duplex Receptacle And Shielding Gas ConnectionsAll values calculated at 60% duty cycle Electrical Service GuideCheck label inside your unit- only one label is on unit Placing Jumper Links And Connecting Input PowerControls OperationMeters Output Selector SwitchSpot Time Controls Crater Time ControlsApplication AC Balance Control Setting Output WaveformsBalance Control AC Gtaw Output Contactor Control Switch Amperage Adjustment ControlsPostflow Time Control Arc ControlsFor AC And DC Smaw Welding Preflow Time Control Optional High Frequency ControlsMonths Maintenance & TroubleshootingRoutine Maintenance Disconnect power before maintainingTroubleshooting Adjusting Spark GapsTurn Off power before adjusting spark gaps Reset circuit breaker CB1 see Section Circuit Diagram Sources Of HF Radiation From Incorrect Installation Welding Processes Using HFHigh Frequency HF Correct Installation Main Assembly Parts ListDia Part Description Quantity Mkgs Panel, Front w/Components Panel, Front w/Components -1 Item Rectifier, Si Diode -1 Item 181Panel, Mtg Components -1 Item Control Panel, Lower Front Control Panel, Lower Front -2 Item OM-353 Page Page Support ServiceHobart Welding Products Contact your Distributor for

OM-353 specifications

The Hobart OM-353 is a powerful and efficient mixer designed for commercial kitchen environments. Renowned for its durability and high-performance capabilities, this heavy-duty equipment revolutionizes the mixing process, ensuring consistent results for a variety of recipes. The OM-353 combines innovative technology and user-friendly design, making it an essential tool for chefs and kitchen staff alike.

One of the standout features of the Hobart OM-353 is its robust motor. With a horsepower of 1.5, it delivers impressive torque, allowing it to handle dense mixtures and heavy doughs with ease. This capability is particularly valuable in high-volume settings, where efficiency and time-saving are crucial. The mixer is equipped with three fixed speeds, enabling operators to select the appropriate speed for different mixing tasks, from slow folding to high-speed whipping.

The bowl capacity of the OM-353 is another significant characteristic, accommodating up to 35 quarts. This large capacity is ideal for batch processing, allowing commercial kitchens to mix substantial quantities of ingredients simultaneously. The mixer features a sturdy stainless steel bowl, providing durability and resistance to wear while being easy to clean and maintain.

In terms of technology, the Hobart OM-353 incorporates a unique planetary mixing action that ensures thorough ingredient incorporation. The mixing attachments, which include a wire whip, flat beater, and dough hook, are designed to maximize efficiency and ensure every ingredient is evenly combined. The user controls are straightforward, featuring an easy-to-use lever for raising and lowering the bowl, along with a safety guard that prevents accidental operation.

Safety is a key consideration in the design of the OM-353. The mixer is equipped with an overload protection system that automatically shuts off the motor in case of excessive load, preventing potential damage. Additionally, its robust construction and stability reduce the risk of tipping during operation, ensuring a safe working environment.

The Hobart OM-353 embodies the ideal blend of power, performance, and safety, making it a staple in many professional kitchens. Its ability to adapt to various mixing needs, combined with its heavy-duty construction, ensures that chefs can rely on this mixer for consistent and high-quality results in their culinary creations. Whether used in bakeries, restaurants, or catering services, the Hobart OM-353 stands out as an indispensable tool for achieving excellence in food preparation.
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