Burnham V8 Series Bedienungsanleitung PDF herunterladen (Seite 28)

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Step 4. From this position the door can be swung

clear of the vertical circulator return piping to

provide full access to the combustion chamber

and burner head (see Figure 11B, Position 3).

2. Perform routine inspection, service or cleaning as

necessary.

3. To close Burner Swing Door (see Figures 11A and

11B):

Step 1. From the fully open position, rotate Burner

Swing Door toward the closed position. Make

sure that the articulated hinge is rotated to the

extreme left position to allow the door to clear

the vertical circulator return piping as shown in

Figure 11B, Position 2.

Step 2. Grasp the door's left side hinge ﬂ ange

in your left hand and place your right hand

under the burner air tube to lift upward. Lift

the door up unto the built-in cast ramp/door

rest (protruding from the bottom of the front

section casting - see Figure 11A), while rotating

the articulated hinge and door to the right and

engaging the slot (on right side of door) unto the

5/16" stud protruding from the front section.

Step 3. Use one hand to help hold door in position

by lifting up on rear burner housing or applying

pressure directly to the door while re-installing

the securing hardware with your opposite hand.

Always install right side latching hardware

(5/16" ﬂ ange nut and ﬂ at washer) ﬁ rst, then

install left side hinge hardware (5/16" x 3-

1/2" lg. hex head ﬂ ange bolt) second. Apply

additional pressure while hand tightening the

hardware as far as possible, then release the

pressure.

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Step 4. Use a hand wrench to tighten door hardware

and always start with the right side ﬂ ange

nut ﬁ rst. Use an alternating tightening method

from right side ﬂ ange nut to left side ﬂ ange

bolt to tighten door equally until sealed without

applying excessive torque. Never tighten left

side ﬂ ange bolt ﬁ rst or tighten either piece of

hardware 100% without using the alternating

tightening method described above.

Failure to follow the prescribed procedure could

cause thread damage to casting or a leak in the

door seal. If left side ﬂ ange bolt is tightened

before right side ﬂ ange nut, right side of door

can not be drawn-in to provide an air tight seal,

as shown in Figure 11C. Applying excessive

torque will only cause thread damage.

Figure 11C: Top View - Burner Swing Door Fully Closed but Not Properly Secured or Sealed

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