Table of Contents

WARNING

This product, when used for welding or cutting, produces fumes or gases which contain chemicals known to the State of California to cause birth defects and, in some cases, cancer. (California Health & Safety Code Section 25249.5 et seq.)

The following terms are used interchangeably throughout this manual:

TIG = GTAW

Stick = SMAW

SECTION 1 – SAFETY PRECAUTIONS - READ BEFORE USING		1
1-1.	Symbol Usage	1
1-2.	Arc Welding Hazards	1
1-3. Additional Symbols for Installation, Operation, and Maintenance		3
1-4.	Principal Safety Standards	3
1-5.	EMF Information	4

SECTION 1 – CONSIGNES DE SECURITE – LIRE AVANT UTILISATION		5
1-1.	Signification des symboles	5
1-2.	Dangers relatifs au soudage à l’arc	5
1-3. Dangers supplémentaires en relation avec l’installation, le fonctionnement
	et la maintenance	7
1-4.	Principales normes de sécurité	8
1-5.	Information sur les champs électromagnétiques	8

SECTION 2 – DEFINITIONS		9
2-1.	Warning Label Definitions	9
2-2.	Rating Label For CE Products	10
2-3.	Symbols And Definitions	11

SECTION 3 – INSTALLATION		12
3-1.	Specifications	12
3-2.	Volt-Ampere Curves	12
3-3.	Duty Cycle And Overheating	13
3-4.	Selecting A Location	14
3-5.	Dimensions And Weights	14
3-6.	Tipping	15
3-7.	Weld Output Terminals And Selecting Cable Sizes	15
3-8.	Remote 14 Receptacle	16
3-9.	115 Volts AC Duplex Receptacle And Shielding Gas Connections	16
3-10. Electrical Service Guide		17
3-11.	Placing Jumper Links And Connecting Input Power	18

SECTION 4 – OPERATION		19
4-1.	Controls	19
4-2.	Output Selector Switch	20
4-3.	Meters	20
4-4.	Crater Time Controls	21
4-5.	Spot Time Controls	21
4-6.	AC Balance Control	22
4-7.	Amperage Adjustment Controls	23
4-8.	Output (Contactor) Control Switch	23
4-9.	Arc Controls	24
4-10.	Postflow Time Control	24
4-11. High Frequency Controls		25
4-12. Preflow Time Control (Optional)		25

SECTION 5 – MAINTENANCE & TROUBLESHOOTING		26
5-1.	Routine Maintenance	26
5-2.	Circuit Breaker CB1	26
5-3.	Adjusting Spark Gaps	27
5-4.	Troubleshooting	27
5-5.	Circuit Diagram	29

SECTION 6 – HIGH FREQUENCY (HF)		30
6-1.	Welding Processes Using HF	30
6-2.	Sources Of HF Radiation From Incorrect Installation	30
6-3.	Correct Installation	31
SECTION 7 – PARTS LIST		32
OPTIONS AND ACCESSORIES
WARRANTY

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.

Hobart OM-353 manual Table of Contents

Models: OM-353

OM-353 specifications