BLODGETT 901 DOUBLE Gas Deck Type Oven Instruction Manual

: June 13, 2024
: BLODGETT

Table of Contents

BLODGETT 901 DOUBLE Gas Deck Type Oven
Product Information
Product Usage Instructions
Safety Information
Delivery and Location
Oven Assembly
Ventilation
Gas Connection and Initial Startup
Operation
Maintenance
- Cleaning and Replacement of Parts
References
Read User Manual Online (PDF format)
Download This Manual (PDF format)

BLODGETT 901 DOUBLE Gas Deck Type Oven

Product Information

The product is a gas deck oven manufactured by Blodgett Oven Company. It is part of the Export Series and comes in various models: 901, 911, 911-P, 951, 961, 961-P, 966, 981, 1048-B, and 1060-B. The oven is designed for commercial use and is suitable for baking and cooking purposes.
The oven dimensions vary depending on the model and compartment height. The dimensions range from 83.8 cm x 55.9 cm for the smallest model (901) to 152.4 cm x 92.7 cm for the largest model (1060-B). The oven is equipped with different types of decks, including Rokite decks and steel decks.

Product Usage Instructions

Installation

Safety Information:
Before performing any cleaning, inspection, maintenance, or repair work, ensure that the appliance is switched off at the mains.

Delivery and Inspection
Upon delivery of the oven, make sure to inspect it for any damage. If any damage is found, it should be reported to the carrier for a claim.

Oven Assembly
Before installing and using the oven, refer to the instructions provided and ensure that it is installed in accordance with current regulations and in a well-ventilated space.

Leg Attachment

Place the unit on a lift truck.
Attach each leg to the bottom of the oven using bolts. Use 3 bolts for legs with lengths of 70 cm, 48.3 cm, and 30.5 cm. Use 2 bolts for legs with lengths of 82.5 cm and 18 cm.

Caster Attachment

Bolt the square legs to the oven using hex head bolts. Ensure that casters with brakes are facing the front of the oven.
Carefully place the oven onto the casters and engage the brakes on the front casters.
Attach the strain relief bracket.

Oven Decks

Rokite Decks:

Slide the deck pieces into the unit until they drop into the shelf supports.
Push the deck pieces together until the center gap closes. Only use Blodgett Rokite decks.

Steel Decks:

Slide the deck pieces into the unit until they drop into the shelf supports.
Push the deck pieces together until the center gap closes.
Attach the retaining clip in the front of the decks.
Attach the three deck clips in the rear of the oven.

Oven Stacking (if applicable)

900 Series Ovens:

Place two boards on top of the lower oven.
Slide the upper oven on top of the boards.
Slide a board under the top oven and lift up to remove the left board.
Slide the top section into position and remove the right board.

1000 Series Ovens:
Fasten 30.5 cm legs to the lower section of the oven.

Safety Information

CAUTION!
READ THE INSTRUCTIONS BEFORE USING THE OVEN!

This appliance shall be installed in accordance with current regulations and used only in a well-ventilated space. Refer to the instructions before installing and using this appliance.
Installation must be performed by qualified installer only.
Keep the oven area free and clear of all combusti-bles such as paper, cardboard and flammable liquids and solvents.
For gas models the location must provide adequate clearance for the air opening into combustion cham-ber.
Caster Installation: Install casters with locking de-vices on the front. Install non-locking casters on the rear.
This appliance may not be used by children or people with limited physical, sensor or mental capac-ity or those without the necessary experience and/or knowledge, unless such people are supervised by a person who is responsible for their safety.
Risk of burns – always open the cooking cabinet door very slowly (hot vapors).
Risk of burns – the external temperatures of the unit may exceed 60°C. Only touch the unit at the con-trols.
The rooms in which these appliances are installed must be well ventilated, in order to prevent an unac-ceptable build-up of harmful combustion products. Danger of suffocation!
The conversion of gas type may only be carried out by the service agents or qualified personal.
Maintenance and servicing (like air shutters and gas pressure) may only be carried out by trained/quali-fied personal in accordance with the local regula-tions.

CAUTION!
THE APPLIANCE MUST BE SWITCHED OFF AT THE MAINS FOR CLEANING, INSPECTION, MAINTENANCE OR REPAIR WORK.

Delivery and Location

DELIVERY AND INSPECTION
All Blodgett ovens are shipped in containers to prevent damage. Upon delivery of your new oven:

Inspect the shipping container for externaldamage. Any evidence of damage should be noted on the delivery receipt which must be signed by the driver.
Uncrate the oven and check for internal damage. Carriers will accept claims for concealed damage if notified within fifteen days of delivery and the ship-ping container is retained for inspection.

The Blodgett Oven Company cannot assume respon-sibility for loss or damage suffered in transit. The car-rier assumed full responsibility for delivery in good order when the shipment was accepted. We are, how-ever, prepared to assist you if filing a claim is neces-sary.

OVEN LOCATION
The well planned and proper placement of your oven will result in long term operator convenience and satisfactory performance.

• Place the oven in a properly ventilated area.
• Place the oven at least 30mm from each side and back wall.

WARNING!

The top and front surfaces of the appliance are hot while in operation. DO NOT place flam-mable materials on or near the appliance.
The rooms in which these appliances are installed must be well ventilated, in order to prevent an unacceptable build-up of harmful combustion products.

Danger of suffocation!

Oven Assembly

NOTE:
This appliance shall be installed in accordance with current regulations and used only in a well-ventilated space. Refer to the instructions before installing and using this appliance.

LEG ATTACHMENT
Legs are available in 82,5 cm, 70 cm, 48,3 cm, 30,5 cm, and 18 cm lengths.

Place the unit on a lift truck.
Attach each leg with bolts to the bottom of the oven.

CASTER ATTACHMENT

Bolt the square legs to the oven with 1/2-13 hex head bolts. Casters with brakes should be facing front of oven.
Carefully place oven onto the casters. Engage brakes on front casters.
Attach the strain relief bracket.

OVEN DECKS

Rokite Decks

Slide the deck pieces into the unit until they drop into the shelf supports.
Push together until the center gap closes. Use only Blodgett Rokite decks.

Steel Decks

Slide the deck pieces into the unit until they drop into the shelf supports.
Push together until the center gap closes.
Attach the retaining clip in the front of the decks.
Attach the three deck clips in the rear of the oven.

OVEN STACKING (if applicable)

900 Series Ovens

Place two boards on top of the lower oven.
Slide the upper oven on top of the boards.
Slide a board under the top oven. Lift up to re- move the left board.
Slide the top section into position Remove the right board.

1000 Series Ovens

Fasten 30,5 cm legs to lower section.
Remove the sheet metal flue cover on the bottom of the UPPER OVEN ONLY. Save the two screws.
Fasten the spacers to the bottom of the upper oven. See Figure 5.
Insert oven flue connector into the bottom of the oven flue. Push until it is flush with the bottom of the upper oven. Temporarily hold in place with tape.
Place the upper oven on top of the bottom oven.
Remove the tape. Slide the flue connector into posi-tion over the collar of the bottom oven.
Fasten flue connector to bottom oven with the screws from the flue cover.

Ventilation

A mechanically driven, canopy type exhaust hood is re-quired. The hood should completely cover the oven with an overhang of at least 15 cm on all sides not adjacent to a wall. The distance from the floor to the lower edge of the hood should not exceed 2.1m.

Place the diverter over the flue connector with the open area facing the front of the oven.
Secure with the sheet metal screws provided.

WARNING!

Failure to properly vent the oven can be haz-ardous to the health of the operator and may result in operational problems, unsatisfactory baking and possible damage to the equipment.
Damage sustained as a direct result of im-proper ventilation will not be covered by the manufacturer’s warranty.

Connect the oven to the gas line with the proper type of gas according to Local and National Installation Stan-dards.

Setting Equipment for Other Types of Gas — 1000 Se-ries Only

NOTE:
The 900 Series ovens are not convertible. Data given on the following page is for information only.

CAUTION!
The conversion of gas type may only be car-ried out by the service agents or qualified personal.

Shut off the gas valve and turn off the operat- ing switch.
Dismantle the manifold by means of a cou- pling. Re-move the bolts holding the manifold to the brackets. Remove the manifold.
Replace the injectors.
Adjust the air shutters to the proper air opening. Refer to the table on the following page.
Reinstall the manifold.
Remove the two screws holding the pilot bracket.
Remove the pilot tube from the pilot assembly.
Loosen the set screw on the left side of the pi- lot bracket. Remove the thermocouple. Remove the pilot bracket assembly.
Insert the thermocouple into the new pilot bracket as-sembly. Tighten the set screw.
Install the new pilot bracket assembly with the screws removed in step 6.
Install the pilot tube in the new pilot bracket assembly.

INITIAL STARTUP

All the oven to burn off for four hours. Set the thermostat to 140°C. Increase the temperature by 55° ev-ery hour up to 315°C. This procedure may produce smoke.

Gas Connection and Initial Startup

Type of Gas

| Inlet Pressure mbars| Burner Pressure mbars| Injector Diameter mm| Air Opening mm| Pilot Injector mm| Standard Delivery Value kW (Hi)
---|---|---|---|---|---|---
901
G25| 25| 18| 2.1| 4| 0.53| 6.4
G20| 20| 12| 2.1| 4| 0.53| 6.4
G20/G25| 20/25| ~| 1.75| 8| 0.53| 6.4
G30| 30/50| 17| 1.4| 4| 0.29| 6.4
G31| 30/37/50| 24| 1.4| 4| 0.29| 6.4
911
G25| 25| 18| 2.05| 4| 0.53| 5.9
G20| 20| 12| 2.05| 4| 0.53| 5.9
G20/G25| 20/25| ~| 1.75| 8| 0.53| 5.9
G30| 30/50| 17| 1.3| 4| 0.29| 5.9
G31| 30/37/50| 24| 1.3| 4| 0.29| 5.9
911P
G25| 25| 18| 2.35| 4| 0.53| 7.9
G20| 20| 12| 2.35| 4| 0.53| 7.9
G20/G25| 20/25| ~| 1.9| 8| 0.53| 7.9
G30| 30/50| 17| 1.5| 4| 0.29| 7.9
G31| 30/37/50| 24| 1.5| 4| 0.29| 7.9
961-P, 966, 981
G25| 25| 18| 3.25| 4| 0.53| 14.6
G20| 20| 12| 3.25| 4| 0.53| 14.6
G20/G25| 20/25| ~| 2.9| 8| 0.53| 14.6
G30| 30/50| 17| 2.1| 4| 0.29| 14.6
G31| 30/37/50| 24| 2.1| 4| 0.29| 14.6
951, 961
G25| 25| 18| 2.8| 10| 0.53| 11.1
G20| 20| 12| 2.8| 10| 0.53| 11.1
G20/G25| 20/25| ~| 2.5| 10| 0.53| 11.1
G30| 30/50| 17| 1.85| 4| 0.29| 11.1
G31| 30/37/50| 24| 1.85| 4| 0.29| 11.1
1048BL, 1060BL

G25| 25| 12| 3.35| 9| 0.53| 25
G20| 20| 8| 3.35| 22| 0.53| 25
G20/G25| 20/25| ~| 2.8| 10| 0.53| 25
G30| 30/50| 17| 2.05| 30| 0.29| 25
G31| 30/37/50| 24| 2.05| 30| 0.29| 25
1048B, 1060B
G25| 25| 12| 3.9| 9| 0.53| 31.5
G20| 20| 8| 3.9| 22| 0.53| 31.5
G20/G25| 20/25| ~| 3.2| 10| 0.53| 31.5
G30| 30/50| 17| 2.3| 30| 0.29| 31.5
G31| 30/37/50| 24| 2.3| 30| 0.29| 31.5
| | | | | |

Operation

900 Series Control Panel

NOTE:
Operation is restricted to qualified personnel.

LIGHTING

Turn the MANUAL CONTROL VALVE (1) to ON.
Press the SAFETY PILOT IGNITION BUTTON (2)
Light the pilot burner with a match. Continue to hold the safety pilot ignition button for 30 seconds.

OPERATION

Set the THERMOSTAT (3) to the desired cooking temperature.
Load product when the oven has reached operating temperature.

NOTE: DO NOT allow the pans to touch each other or the sides of the oven.

To turn the oven off

Turn the MANUAL CONTROL VALVE (1) to OFF.

WARNING!
The top and front surfaces of the appliance are hot while in operation. DO NOT place flam-mable materials on or near the appliance.

NOTE: Operation is restricted to qualified personnel.

LIGHTING

Turn the MANUAL CONTROL VALVE (1) to ON.
Turn the SAFETY PILOT IGNITION KNOB (2) to the light position.
Light the pilot burner with a match. Continue to hold the safety pilot ignition knob for 30 seconds.

OPERATION

Set the THERMOSTAT (3) to the desired cooking temperature.
Load product when the oven has reached operating temperature.

NOTE: DO NOT allow the pans to touch each other or the sides of the oven.

To turn the oven off

Turn the MANUAL CONTROL VALVE (1) to OFF.

WARNING!
The top and front surfaces of the appliance are hot while in operation. DO NOT place flam-mable materials on or near the appliance.

Maintenance

Cleaning and Replacement of Parts

CLEANING

WARNING!!
DO NOT spray the oven with a water jet.

Daily

Saturate a cloth with light oil. Wipe the oven exterior when it is cold. Dry the oven with a clean cloth.
Clean stainless surfaces with a non-toxic industrial stainless steel cleaner. Apply the cleaner when the oven is cold, and always rub with the grain of the metal.
Brush residue from beneath doors.

Weekly

Brush oven cavity, control area and cooling fans.

REPLACEMENT OF PARTS

Baking Compartment Door

Open the oven door.
Remove the left corner trim panel and column.
Remove the two bolts in the left counter weight.
Remove the retaining rings and door arms.
Remove the two bolts in the left hinge assembly.
Remove the inner bolt on the right side of the door. Loosen the outer bolts.
Slide the right hinge pin to the left. Note the number of spacer washers used on the right hinge pin.
Remove the door.

Burner Compartment Door

Remove left hand door support arm.
Remove the inside bolt on the left hand hinge pin. Loosen the outer bolt.
Pull the left side of the door forward to remove.

Control Stack Assembly

Remove thermostat knob, main manual control valve handle and control panel cover.
Open oven door. Remove the thermostat bulb guard. Straighten out capillary.
Disconnect pilot tubing at the safety valve on the con-trol stack.
Open combustion compartment door. Remove screws holding the pilot burner to the bracket on the right hand main burner.
Disconnect safety valve capillary from pilot burner. Remove the pilot burner.
Disconnect upper and lower unions on the control stack.
Pull the control stack assembly forward. Disconnect thermostat capillary. Remove through the front of the control area.

Main Burner

Open combustion compartment door. Remove screws holding the pilot burner to the bracket on the right hand main burner. Move pilot burner assembly out of the way.
Open combustion compartment door. Remove screws holding the pilot burner to the bracket on the right hand main burner. Move pilot burner assembly out of the way.
Remove the two bolt holding the burner manifold to the brackets of the burner compartment.
Remove the two burner manifold brackets, the com-bustion compartment door.
Remove first the right, then the left main burners.

Pilot Burner

Open combustion compartment door. Remove screws holding the pilot burner to the bracket on the right hand main burner.
Loosen the hex head screw on the pilot burner brack-et. Remove the capillary bulb.
Disconnect the gas supply tubing from the pilot burner.
For parts and service contact your distributor

Middleby UK LTD