HL300

Overview

The Hobart HL300 Legacy+ is a 30-quart planetary floor mixer for professional food preparation. Its manual lists the HL300 with a 0.75 HP motor, SmartTimer, STIR and three mixing speeds, manual bowl lift, and a standard #12 attachment hub. The mixer can handle jobs such as preparing cake batter, mashed potatoes, icing, and pizza dough. Always use the Hobart mixer capacity chart to confirm suitable capacities, speeds, and agitators for the ingredients being mixed.

Electrical details can vary by configuration. The specifications below identify the HL300-1STD configuration where the source gives configuration-specific information; check the mixer data plate and selected model before confirming a site connection.

Key Features

• 30-quart bowl capacity: A floor-mixer capacity suited to a range of commercial kitchen batches.
• Three mixing speeds plus STIR: The manual describes STIR and SPEED 1, SPEED 2, and SPEED 3, with different recommended mixing applications.
• SmartTimer: The HL300 manual identifies the mixer as equipped with a SmartTimer.
• Manual bowl lift: The bowl support is raised and lowered with the lift handle.
• #12 attachment hub: The hub accepts compatible attachments. The manual notes that attachments, agitators, and accessories are covered in a separate Use and Applications Handbook.
• Listed accessories: The HL300-3STD listing specifies a bowl, wire whip, flat beater, and safety guard. Confirm included items for the exact configuration being purchased.
• ULC and NSF marks: The HL300-1STD product information identifies ULC Certified and NSF Certified marks.
• Made in the USA: The HL300-1STD product information states that the item is made in the USA.

Specifications

• Product type: Legacy+ planetary floor mixer
• Model family: HL300
• Capacity: 30 qt.
• Motor: 0.75 HP
• Width: 26-3/8 in.
• Depth: 30 in.
• Height: 49-3/4 in.
• Weight: 453 lb.
• Voltage, HL300-1STD listing: 240 V
• Amperage, HL300-1STD listing: 2.8 A
• Wattage, HL300-1STD listing: 672 W
• Frequency, HL300-1STD listing: 60 Hz
• Phase, HL300-1STD listing: 3 phase
• Connection, HL300-1STD listing: Hard wire
• Dough capacity, HL300-3STD listing: 45 lb.
• Attachment hub: #12
• Controls: SmartTimer; STIR and three mixing speeds
• Bowl lift: Manual
• Listed certifications: ULC Certified; NSF Certified
• Country of manufacture, HL300-1STD listing: USA

Installation & Requirements

Before installation, check that the electrical service matches the specifications on the mixer data plate. Place the mixer in its operating location on a sturdy, level surface, with enough room for the operator to use the controls and install or remove the bowl. The area above and behind the mixer must allow its top and back covers to be removed for routine maintenance and service. For 30-quart and 40-quart mixers, the manual instructs installers to level the unit after positioning it, using shims under the base contact surface as needed to level it front-to-back and side-to-side.

Electrical connection depends on the HL300 configuration. The manual states that a 30-quart single-phase mixer has a three-pronged grounding plug, which must be connected to a properly grounded receptacle; it also says not to remove the grounding prong. For a 30-quart three-phase mixer, disconnect power and follow lockout/tagout procedures before making the connection. The manual directs the installer to connect the supply leads to L1, L2, and L3 and connect the ground wire to the mixer ground lug. Electrical and grounding connections must comply with applicable electrical codes. The HL300-1STD listing identifies a 240 V, 3-phase, hard-wired configuration. No gas connection or ventilation requirement is specified in the supplied material.

Operation

The mixer is for professional use by properly trained operators. Before operation, ensure the bowl, agitator, and interlocked wire cage are fitted correctly. The bowl must be locked onto the bowl support, the support must be raised and locked, and the wire cage must be closed in the front-centre position; the mixer will not operate if these conditions are not met. Keep hands, feet, clothing, and utensils away from the bowl, bowl support, slideways, and agitator whenever the mixer or its components are moving. Do not override the safety switches. Use the STOP button to stop the mixer rather than opening the wire cage or using the bowl lift.

The manual lists these speed applications:

• STIR, slow: Incorporating ingredients.
• SPEED 1, low: Heavy mixtures such as pizza dough, heavy batters, and potatoes.
• SPEED 2, medium: Cake batters, mashed potatoes, and developing bread dough.
• SPEED 3, high: Incorporating air into batches and finishing whipped items.

Follow the mixer capacity chart for correct capacities, speeds, and agitators. Use only a bowl and agitator sized for the mixer, and consult the accessories chart when using a reduced-size bowl. The manual says to stop the mixer before adding ingredients unless using a food chute. For initial operation, the manual directs the operator to apply power, set the speed selector to STIR, install and lock the bowl, raise the bowl support until it locks, close the wire cage in the front-centre position, and briefly run the mixer using START followed by STOP.

Cleaning & Maintenance

Disconnect electrical power and follow lockout/tagout procedures before cleaning or maintenance. The manual calls for thorough daily cleaning. Wash the mixer with a clean, damp cloth; do not hose or pressure-clean it. Do not use scouring powder or a scouring pad. New bowls and accessories, including beaters, whips, and dough arms, should be washed with hot water and mild soap before use, rinsed with a mild soda or vinegar solution, and then thoroughly rinsed with clear water. The manual says to use the same preparation for bowls and agitators before whipping egg whites or whole eggs. Do not clean aluminum agitators in a dishwasher.

To remove the wire cage for cleaning, rotate it to the left until its three carriers align with the escape slots in the drip cup, lift it straight up, and pull it toward the operator. Wash it in a sink, rinse with clear water, and dry with a clean cloth. To reinstall it, position the carriers above the slots, lower the cage through the slots, and rotate it to the right until it reaches the stop in the front-centre position. The splash guard can be wiped or washed with a cloth or sponge using warm, soapy water, then rinsed with clear water and dried.

The manual recommends regular mixer service at least twice a year for typical usage; service needs may vary with frequency of use. It also specifies that the slideways should be lubricated approximately twice a year. With power disconnected and the bowl support fully lowered, apply a thin coat of Lubriplate 630AA to the bowl pad area and slideways; access and apron-removal instructions differ for mixer sizes. If the planetary seal becomes dry and squeaks, the manual says to work a little mineral oil under the seal lip. Check agitator clearance periodically. The agitator must not touch the bowl; the stated maximum clearance is 1/8 in. for a B flat beater and 5/16 in. for an ED dough arm. The manual provides stop-screw adjustment steps for 30-quart and 40-quart mixers.

Troubleshooting

• Mixer will not start: Check whether the branch-circuit protector is open, whether the mixer is overloaded, and whether the wire cage is closed in the front-centre position. Confirm that the bowl is locked and the bowl support is raised. A flashing time display is also listed as a possible symptom.
• Agitator touches the bowl: Check that the bowl is locked, the agitator is installed correctly, and agitator clearance is properly adjusted. Refer to the manual's clearance procedure.
• Planetary seal squeaks: The seal may need occasional lubrication; the manual specifies mineral oil under the seal lip.
• Flashing alarm code: For an error code such as OL1, identified in the manual as motor overload, unplug the mixer until the display is blank and then plug it back in. If the symptom remains, contact a local Hobart Service office.

For service, the manual directs users to contact a local Hobart Service office.

Applications

Use the HL300 for commercial mixing tasks such as pizza dough, heavy batters, cake batter, mashed potatoes, bread dough development, icing, and whipped items. Select the speed and agitator according to the recipe and the Hobart capacity chart. The product listing describes the mixer as suitable for preparing mashed potatoes, bakery-style cakes, pizza dough, and icing.