Hobart 4246 Operation Manual

TROY, OHIO 45374-0001 937 332-3000 www.hobartcorp.com FORM 34821 (Aug. 2002) MODEL 4246 MIXER-GRINDER 4246S STANDARD (5 HP/1 HP) ML-134216 4246HD HEAVY DUTY (7.5 HP/1 HP) ML-134214 ...

Operation and Care of the MODEL 4246 MIXER-GRINDER SAVE THESE INSTRUCTIONS GENERAL The Model 4246 Mixer-Grinder is designed to use #32-size knife and plate assemblies (not included with the unit). The Model 4246 is equipped with two drive systems. A 1-HP motor drives the heavy-duty steel mixing arm. A 5-HP motor drives the grinder worm in the Standard 4246S unit. There is a 71/2-HP motor, specifically powered for grinding mixed fresh and frozen meat in the Heavy-Duty 4246HD. The data plate is marked 6 HP (total) for the 4246S and 81/2 HP (total) for the 4246HD. The exclusive Hobart design #46 Wedge cylinder grinding end (Fig. 1) speeds produc ...

INSTALLATION UNPACKING Immediately after unpacking the mixer-grinder, check for possible shipping damage, If the mixer- grinder is found to be damaged, save the packaging material and contact the carrier within 15 days of delivery. Remove the packing box by loosening and removing the four bolts through the wooden skid. To set up the unit, follow the order of assembly below: 1. Legs, shipped in a separate box from the unit, require a 15/16" socket with torque to 50 ft-lb. 2. Lower side panels are packed on top of unit. 3. Remove the spanner wrench and the meat deflector, located inside the hopper. 4. Pneumatic foot switch, if ordered, is shipp ...

PNEUMATIC FOOT SWITCH To install the pneumatic foot switch: 1. Remove screws from the lower front panel. PL-41742 PL-41743 Fig. 2 Fig. 3 2. On the front of the machine, locate the lower frame rail; approximately 4" (10.2 cm) from the left side, is a knockout hole for the foot switch control hose. Using a hammer and punch (Fig. 2), tap sharply to remove knockout piece in the sheet metal just beneath the frame rail. 3. Using pliers remove small pinch clamp from hose, save clamp. 4. Thread hose up through knockout hole (Fig. 3). 5. Slide pinch clamp onto hose approximately 2" (5.08 cm) from end of hose. 6. Route the hose around left corner of th ...

CHECK MOTOR ROTATION With the grinder cylinder in place and the hopper lid closed, check the rotation. Standing in front of machine, push the MIX/GRIND START button. Check that the mixing arm and worm rotate counterclockwise; press the STOP button to stop rotation. If the mixing arm and worm do not rotate counterclockwise, correct the rotation using the following procedure: 1. Disconnect the electrical power supply and interchange any two power supply leads at the receptacle. 2. Reconnect the power supply and push the MIX/GRIND START button. 3. Verify that both the worm and the mixer arm rotate counterclockwise when viewed from the front of t ...

ASSEMBLY AND USE Do not use a plate with hole size smaller than 3/32". Before using the grinding cylinder, take it apart and wash it thoroughly. (See Cleaning instructions.) Hand-tighten the end ring. Overtightening will damage unit. The Wedge cylinder is marked TOP and BOTTOM. Before operating, be sure TOP is visible. The knife and plate need some preliminary lubrication: rub tallow or mineral oil over the cutting surfaces of these parts. Knives and plates must be sharp and true for proper cutting action. The two studs on the front of the hopper allow storage of the spanner wrench and the foot control. The Model 4246 hopper has a normal tota ...

3. Loosen the two retaining nuts, and remove the mixing arm pilot bushing assembly. Rotate and remove the bushing retainer. Disengage and pull mixing arm from the square drive and lift the arm from the hopper. 4. Wash machine with hot water or steam. When using detergents and sanitizers, follow manufacturer's instructions. Rinse with clear water. Allow to air-dry. 5. When mixer-grinder is clean and dry, apply a light coat of food-grade mineral oil to the cylinder, adjusting ring, knife, plate and worm. 6. Assemble mixing arm, cylinder, end ring, knife, plate and conveyor screw into mixer-grinder. 7. Reconnect electrical power supply. HEATER T ...