Star Manufacturing 414HXM Installation Manual

10 SUNNEN DRIVE, ST. LOUIS MO 63143
PHONE [phone], FAX [phone]

HOLMAN CONVEYOR OVENS

FOR SERVICE INFORMATION

U.S. AND CANADA CALL: 1-800-807-9054

24 HOURS/DAY 7 DAYS/WEEK

UNCRATING AND INSPECTION PAGE 1
ASSEMBLY AND INSTALLATION PAGE 1, 2, 3
STACKING INSTRUCTIONS PAGE 3
OPERATION PAGE 4
CLEANING PROCEDURES PAGE 4, 5
TROUBLESHOOTING GUIDE PAGE 5, 6, 7
MAINTENANCE PROCEDURES PAGE 8, 9, 10
PARTS LIST/EXPLODED VIEW PAGE 13

LOAD AND UNLOAD TRAYS PAGE 4
REMOVING THE CONVEYOR BELT PAGE 4
HEAT REFLECTOR/CRUMB TRAYS PAGE 6
HEATER TUBE & FAN MOTOR INSTALLATION PAGE 8
DRIVE SYSTEM PAGE 9
MOTOR CONTROLLER PAGE 11
WIRING DIAGRAM PAGE 14, 15

OPERATOR'S MANUAL

MODEL 414HXM

TABLE OF CONTENTS

DRAWINGS

2M-HG0350

REV. B 9/16/05

PAGE 1

OPERATOR'S MANUAL

HOLMAN CONVEYOR OVENS

MODEL 414HXM

UNCRATING AND INSPECTION

Unpack unit and components from container. Remove all visible packing material, inspect unit for damage. If
damage is discovered, file a claim immediately with the carrier that handled the shipment.

The following should be included in the container:

A. 1ea. baking oven with heaters, tunnel extender, power supply lead and conveyor belt in place.

(NOTE): Remove heating element-shipping supports.

B. 1ea. Stainless Steel Unload Tray and 1ea. Stainless Steel Load Up Tray.

ASSEMBLY AND INSTALLATION

A. Attach legs by screwing into weld nuts, as shown

ADJUSTABLE LEGS SCREW
INTO WELD NUT IN BOTTOM OF UNIT

B. Anti Skid pads are available at no charge and may be adhered to the foot section of each leg to

prevent sliding. Call 1-800-807-9054 for details.

CAUTION: the National Sanitation Foundation does not approve use of these pads.

C. Install unit in its operating position. The load & unload ends must be at least 6" from any vertical

combustible surfaces. Allow sufficient space for operating personnel.

1) Your model 414HXM conveyor oven is supplied with a six-foot power supply cord. Have an
electrician connect input power to the unit in accordance with local electrical codes.

ASSEMBLY AND INSTALLATION CONT. ON PAGE 2

PAGE 2

OPERATOR'S MANUAL

HOLMAN CONVEYOR OVENS

MODEL 414HXM

ASSEMBLY AND INSTALLATION (CONT)
WARNING: MAKE SURE ALL INPUT POWER IS OFF BEFORE INSTALLING/REMOVING ANY PARTS.
WARNING: BEFORE INSTALLING UNIT(S), HAVE YOUR ELECTRICIAN CHECK WITH LOCAL POWER

COMPANY TO DETERMINE ACTUAL VOLTAGE AT JOB SITE.

WARNING: BE ABSOLUTELY SURE THE GROUND (EARTH) CONNECTION FOR THE RECEPTACLE IS

PROPERLY WIRED. NEVER CONNECT UNIT TO POWER WITHOUT PROPER GROUND CONNECTIONS.

IMPROPER GROUND MAY RESULT IN SEVERE INJURY OR FATALITY.

D. Before applying input power to the unit(s) check heating elements for breakage, do not apply power to

the unit(s) if a broken tube is found. If no broken tubes are found apply input power by turning the
master On/Off toggle to the

ON position. Turn conveyor belt speed control to the maximum setting and

check all heater tubes and conveyor for proper operation.

E. Allow approximately 5 to 8 minutes for the fan cooling system to come on, check the air intake area as

noted below and be sure that there is a sufficient flow of air into the control box.

AIR INTAKE LOCATED

ON BOTTOM CONTROL

BOX COVER

F. If all heaters and conveyor system are operating properly, turn the master On/Off switch to the

OFF

position and allow unit to cool. The fan will continue to circulate cool air through out the unit until the
internal temperatures have been decreased.

If a problem is discovered during start up procedures, immediately turn the Master On/Off switch to the OFF
position and call the

Holman Cooking Equipment Factory Service Team at 1-800-807-9054.

G. The load up and unload trays have a key-hole slot on the end of the tray that will slide over the two

screw heads on the end of the oven as shown below;

EXIT TRAY MOUNTS

ON SCREWS

ASSEMBLY AND INSTALLATION CONT. ON PAGE 3

PAGE 3

OPERATOR'S MANUAL

HOLMAN CONVEYOR OVENS

MODEL 414HXM

ASSEMBLY AND INSTALLATION (CONT.)

H. Stacking Instructions

When stacking two Holman 414HXM ovens, a stacking spacer with external air duct must be used to
prevent overheating of the control box in the top oven.

1) If cart is to be used with units, place bottom unit on cart and align leg holes of unit to holes in top
portion of cart. Insert 3/8" bolts through cart and into leg holes to secure bottom unit to cart as
shown below.

2) Place stacking spacer on top of bottom oven with

internal air duct facing up and toward the rear of

the oven.

3) Mount

external air duct on stacking spacer as shown below. External air duct must be installed for

cooling system of top unit to function properly.

4) Install cap screws (4ea.) into leg holes on top oven.

5) Place top oven on stacking spacer. Cap screws will set into cut outs in top of stacking spacer to
lock unit into position.

(NOTE) Air intake of top unit must fit over the internal air duct of stacking spacer to allow airflow into
the control box of the top oven. For stacking spacer to work properly, both ovens must have the same
belt travel direction.

TOP UNIT- CAP SCREW
SCREWS INTO LEG HOLE
UNIT SITS ON TOP OF SPACER

BOTTOM UNIT - CAN
BE COUNTER MOUNTED OR
PLACED ON CART AS SHOWN

STACKING SPACER (REQUIRED)
MOUNTS ON TOP
OF BOTTOM OVEN

EXTERNAL AIR DUCT
MOUNTS ON SPACER

MOUNTING BOLTS
FOR BOTTOM UNIT
SCREW INTO LEG
HOLES THROUGH
CART

A

PAGE 4

OPERATOR'S MANUAL

HOLMAN CONVEYOR OVENS

MODEL 414HXM

OPERATION

A. Switch Master On/Off switch to the ON position and turn Variable Speed Control to fastest time setting.
B. Allow 10 to 15 minutes for unit(s) to warm up.
C. Adjust conveyor belt speed to the desired pass time and place product on conveyor belt.

CLEANING PROCEDURES

Preventive maintenance for your Holman oven consists of the following recommended cleaning procedures to
keep your oven in its top operating condition.

WARNING: HIGH VOLTAGES ARE PRESENT IN THESE UNITS. DISCONNECT UNIT FROM POWER
SUPPLY BEFORE SERVICING OR CLEANING UNIT

.

A. Remove Load and Unload Trays (daily) as shown and wash with hot soapy water.

UNLOAD TRAY

LOAD UP TRAY

HEAT REFLECTOR / CRUMB TRAY

HEAT REFLECTOR / CRUMB TR

B. Remove the Crumb Trays from both load and unload ends of the oven (daily) as shown above

(DO NOT CLEAN WITH CAUSTIC CLEANERS).

C. For lightly soiled conveyor surfaces a damp cloth or scotch pad can be used without removing the

conveyor belt.

D. For heavily soiled conveyor surfaces disconnect the quick clips, remove the conveyor and soak in hot

soapy water overnight.

NOTE: LUBRICATION OF DRIVE CHAIN WITH GRAPHITE BASED LUBRICANT IS REQUIRED AS
PERIODIC MAINTENANCE. CALL THE HOLMAN FACTORY SERVICE TEAM FOR DETAILS.

CLEANING PROCEDURES CONT. PAGE 5