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LEADER Half Pint Evaporator 

Year:  2014 

Page:  12 

2.

 

Cut bricks for the locations as labeled: 

a.

 

FW1 – full brick cut to 4” x 4 ½” (4 needed) 

b.

 

FW2 – half brick cut to 4” X 4 ½” 

c.

 

Cut one half brick in half (results in 2 pcs 4 ½” X 4 ½”) (HHB) 

d.

 

Cut one full brick in half (results in 2 pcs 4 ½” X 4 ½ “) (HFB) 

3.

 

Place a pencil mark 8 ½” in front of the face of the back wall brick. This is the front of the firewall.  

4.

 

Place bricks in the arch as illustrated.  The bricks are laid with the 4 ½” side down.  Only the surfaces of the brick 
where they face another brick need to be coated with cement. 

5.

 

Fill all edges and gaps with cement. 

 
 

SETTING THE PANS 

 

1.

 

Place the boiling pan on the arch so the pan rests between the corner brackets of the arch. 

2.

 

Place the reservoir pan to the front of the arch with the connectors towards the front of the arch. 

3.

 

Wrap both ends of the ½” stainless steel nipple (supplied) with Teflon tape. 

4.

 

Screw the supplied brass lead free ball valve onto one end of the stainless steel nipple.  The assembly is referred 
to as the reservoir pan faucet. 

 
 
 
 
 
 
 
 
 
 
 
 

 

INSTALLING THE DRAW OFF VALVES 

 
It  is  recommended  two  ½”  stainless  steel  ball  valves  (LEADER  Order  #  60100)  and  2  ½”  stainless  steel  close  nipples 
(LEADER  Order  #  72101)  be  installed.    Other  options  are  available.    Contact  LEADER  Customer  Service  or  your  local 
dealer. 

 

1.

 

Remove the threaded plug(s) from the couplers located on each side 

of the boiling pan. 
 
 
 
 
 
 
 
 
 

 
 
 

5.

 

Locate the front draw off of the boiling pan. 

6.

 

Connect the reservoir pan faucet to the connector on the 
reservoir pan that is on the same side as the front draw off 
of the boiling pan.  Ex. if the boiling pan draw off is on the 
right  side,  screw  the  reservoir  pan  faucet  into  the  right 
side connector of the reservoir pan. 

7.

 

Place  the  reservoir  pan  6”  from  the  front  of  the  boiling 
pan. 

8.

 

You will need to add a draw off valve to the boiling pan 
draw off connectors (2 needed).  Contact LEADER 
EVAPORATOR Customer Service or your local dealer for 
options and costs 

Summary of Contents for Half Pint Evaporator

Page 1: ...Leader Evaporator Co Inc 49 Jonergin Drive Swanton Vermont 05488 802 868 5444 www leaderevaporator com Leader Half Pint Evaporator...

Page 2: ...9 POSITIONING 9 BRICKING 9 SETTING THE PANS 12 INSTALLING THE DRAW OFF VALVES 12 First Boil 13 OPERATION OF THE HALF PINT EVAPORATOR 14 THEORY OF OPERATION 14 GRADIENT 14 MAKING SYRUP 16 FLOW REVERSAL...

Page 3: ...and another small batch is drawn off Sap is boiled only long enough to make syrup By limiting the time heating and reheating the sap the caramelizing of the sugars will be reduced Reducing the caramel...

Page 4: ...ront 1 Back 1 Left 1 Right 1 Bottom 1 G Grate Rail 2 Draft Latch Bolt and Nut 10 24X 1 1 Draft Latch 1 I Corner Bracket 2 J Corner Bracket 2 J 3 Holed Steel Legs 4 H Grate Assembly 1 Machine Screws 20...

Page 5: ...aporator The following parts can be ordered as a kit Order 302435 of individually as listed Fire Brick Full qty 32 65003 Fire Brick qty 63 65006 Rail Gasket X 2 x 25 roll 65154 Refractory Cement 65001...

Page 6: ...r assembly Bolts should be inserted into arch so the heads are exposed and the threads are inside the arch Finger tighten bolts unless otherwise instructed 1 Mount Left and right panel to the bottom p...

Page 7: ...carpenter s square and tighten all the bolts in that corner All flanges should align Repeat until all four corners are complete 9 Tighten all remaining installed bolts 10 Use 20 X bolts and associated...

Page 8: ...latch should be pointed towards the front of the arch To ease the installation you may remove the door by pulling the hinge pin that connects the door to the arch front 13 Install the grates assembly...

Page 9: ...for 3000 F To apply cement completely skim coat the metal of the arch where the brick is to be installed Put about 1 8 on each edge of the brick to be installed and a skim coat on the side facing the...

Page 10: ...as illustrated Remember to coat the edges of the bricks with approximately 1 8 of refractory cement 5 The end bricks of the bottom row will be behind the bottom row of the full bricks when the sides a...

Page 11: ...e as much as possible then retighten the bolts If the bricks still do not fit trim the length of the brick 7 The first row of bricks toward the arch front should be up against the bolts in the side of...

Page 12: ...h Teflon tape 4 Screw the supplied brass lead free ball valve onto one end of the stainless steel nipple The assembly is referred to as the reservoir pan faucet INSTALLING THE DRAW OFF VALVES It is re...

Page 13: ...done to remove any residual materials from the pans and to season the bricking and insulation 1 Prepare 15 gallons of a baking soda and water mix in proportion as follows a 1 1 4 ounce of baking soda...

Page 14: ...ntrated liquid sap will push its way toward the more concentrated liquid In an evaporator you will be concentrating the percent of sugar from the incoming sap approximately 2 to the syrup product appr...

Page 15: ...consistently with small amounts of wood to maintain the level of heat Use a timer to stay on schedule for the firings 6 to 10 minutes depending on wood quality size and desired intensity of boil TIP F...

Page 16: ...e following is the recommended method for determining the draw off temperature a The sap will turn an amber or darker amber color b The temperature of the sap will reach 7 0 to 7 5o F above the boilin...

Page 17: ...ervoir pan into a container 3 Turn the reservoir pan 180 and move to 6 from the rear of the boiling pan 4 Refill the reservoir pan level to 2 3 to 5 Fill the boiling pan to the operating level 1 6 Sta...

Page 18: ...ck the hydrometer from its tube or box 2 Carefully inspect the hydrometer for any breakage If you suspect any cracks fill your test cup with hot water and immerse the hydrometer If it leaks then it is...

Page 19: ...d will need to be diluted with sap 7 Refer to the chart to determine if your syrup is light or heavy If the reading is higher than the number on the table your syrup is heavy and will need to be dilut...

Page 20: ...s brush the loose scale f If scale is removed flush the pan with unsoftened non chlorinated well or spring water If the scale is thick you may need to continue soaking the solution in the pan g When t...

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