Baxter HPB1 Installation Manual
HPB SERIES
ROLL-IN PROOF BOXES
MODELS
HPB1 ML-132003
HPB2 ML-132004
HPB4 ML-132005
701 S. RIDGE AVENUE
TROY, OHIO 45374-0001
937 332-3000
www.hobartcorp.com
FORM 34480 (Sept. 2000)
Model HPB1 Proof Box Model HPB2 Proof Box
© HOBART CORPORATION, 2000
Model HPB4 Proof Box
– 2 –
Installation, Operation, and Care of
HPB SERIES PROOF BOXES
SAVE THESE INSTRUCTIONS
GENERAL
The HPB Series Roll-In Proof Boxes are one-, two-, or four-rack cabinets for proofing dough. The Proof
Box’s AirWash™ Humidification System provides ideal proofing conditions and includes accurate
controls for temperature, humidity, and time.
Interior and exterior construction is 300 series stainless steel throughout. Interior bumper guards are
provided for the left, right, and rear walls.
Glass door is an option on the single rack model only. Door hinging on the single door unit can be
reversed, if necessary, by a service technician (but a new ramp is required). Two-door units are hinged
on the side walls and open out from the middle. There is no center post. A door closer is provided above
the right hand door.
Proofers may be ordered with either the Proof Box control or with the Thaw Proofer control:
• The Proof Box control is a single-stage control which controls temperature, humidity, and time.
• Thaw Proofer control is a two-stage control that can work just like the Proof Box control; or, it can
also allow an initial Thaw stage to be automatically followed by a Proof stage. Each stage
independently controls temperature, humidity, and time.
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2BPHskcaRelgniS2
4BPH
roskcaRelgniS4
skcaRelbuoD2
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peeDelgniS
xediWelbuoD
peeDelgniS
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peeDelbuoD
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1923/8"031/2""57335/61"533/8"291/8"
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225
225
/4"031/2"373/4""06533/8"291/8"
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/4"461/2"373/4""06961/8"291/8"
ROIRETNIROIRETXE
– 3 –
INSTALLATION
UNPACKING
Immediately after unpacking, check for possible shipping damage. If the cabinet is found to be
damaged, save the packaging material and contact the carrier within 15 days of delivery.
Prior to installation, test the electrical service to verify that it agrees with the data plate located in the
upper left corner inside the cabinet.
SCREWS
ASSEMBLY
Some components can be removed to allow the cabinet to pass
through short or narrow doorways.
Door(s) and hinges can be removed, as follows:
(3)
UPPER
HINGE
1. Lift up and remove the front trim panel.
2. Carefully lay the front trim panel on top of the cabinet — avoid
damaging the control wires.
3. Remove the three screws which secure the upper hinge plate
to the cabinet (Fig. 1). This will remove hinge tension. Remove
the nut underneath the lower hinge plate which secures the
bottom hinge. Remove the door. Remove lower hinge plate
(Fig. 1).
4. If the hinge mechanism should become
uncocked while changing the door, it
will be necessary to recock the hinge
mechanism. To do this, remove the
UNCOCKED POSITION
TURN 135º
door from the cabinet and position the
door face down on a work table. Using
5
/16" open end or adjustable wrench,
a
turn the hinge mechanism shaft 135°
UNCOCKED POSITION COCKED POSITION
– POSITION 1 – (LEFT-HAND HINGED DOOR)
(Fig. 2).
5. Replace the hinge plates and door(s)
TURN 135º
in the reverse order of disassembly.
PL-50961
– POSITION 2 – (RIGHT-HAND HINGED DOOR)
POSITION DOOR IN ONE OF THE TWO POSITIONS SHOWN.
The humidifier and control box on top of the
proof box cannot be removed to pass through
short openings.
PL-53452
Fig. 2
SCREWS
(6)
LOWER
HINGE
NUT
Fig. 1
COCKED POSITION
135º
135º
ASSEMBLY — Model HPB4
Model HPB4 is shipped in two main sections, front and rear, which must be assembled at the site.
Position the rear half (without doors) as near to the desired final location as possible. Remove eight
hex bolts at the bottom rear of the front section. Remove eight hex bolts at the bottom front of the rear
section. Apply a bead of aluminum colored RTV, provided, on the entire rear joint immediately before
joining the front section.
– 4 –
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