All the Parts Included With a New EFM DF520 Stoker Boiler

Briefly, a complete unit comes with a stoker/burner box, with air tube and cleanout rod, parts box and ash pit door.

A complete short and long pipe and auger kit with pipe coupler.
All controls are found in the list of a Water or Steam parts box, or Oil Burner optional kit.
A jacket is standard, as is a Wil-burt timer.

Fan Housing Assembly Parts List

Quantity Bin Number Part Number Description

1 9460431 Machined fan housing
1 4016 1/8th HP Motor, 1725 RPM
1 37872 Gear Reducing Unit
1 9451007 Fan assembly
2 1 81108 5/16 X 1 Stove bolt
1 2 81504 Fan set screw: 1/2” long
2 3 81505 Plated set screw: 3/4” long
1 3A 81506 Crank to Gear Reducer: 5/8” long
1 4 33766 Motor coupling
1 5 9433732 Crank pin
1 6 9437423 Key: 3/16 X 3/16 X3/4”
1 8 35659 Retaining clip
1 9 31024 Washer: 3/4 OD X 1/2 ID
1 10 81507 Plated set screw: 7/8” long
1 11 9433761 Damper shaft and pointer assy.
1 12 32791 Air indicator plate
1 13 85001 Thumbscrew: 1/4 X 20 X 1 inch
1 14 81004 Plate retaining screw
1 15 9431728 Damper disc
4 16 83201 Drive pins
8 17 81520 Bolts: 5/16 X 3/4 inch
1 19 9431878 Shoulder bolt
1 22 9443087 Connecting rod
1 23 9441329 Oil reservoir pan
1 24 36066 Cleanout tag
1 25 9433719 Crank
1 9451003 Fan cover plate

Stoker Gear Drive Assembly Parts List

Quantity Bin Number Part Number Description

1 26 9433944 Ratchet Drum
1 27 9433740 Clutch Shaft
1 28 35656 Shear Pin
1 29 9433767 Shear Collar
1 30 9433730 Check Pawl Stud
1 31 85002 Thumbscrew: 5/16 X 18 X 2 inches
1 32 9433731 Check Pawl
1 33 9433733 Drive Pawl Stud
1 34 9432911 Drive Pawl
1 35 9433753 Clutch Shaft Coupling
1 36 9433922 Clutch Shaft Spacer
1 37 82716 Cotter Pin
2 38 35659 Retaining Clips
2 39 33209 Brass Thrust Washers
1 40 82522 Washer
1 41 35426 Retaining Ring
2 42 82711 Cotter Pins: 3/16 X 1½”
1 43 81802 5/16 X 18 Nut
1 44 81904 5/8 X 18 Jam Nut
1 45 9433741 Connecting Rod Stud
1 57 9433763 Bracket Bearing& Bushing Assembly
1 9436271K Feed Lever Assembly
1 9433762K Feed Control Collar Assembly
9441328K Clutch Assembly Complete

9436271K Feed Lever Assembly consists of the Connecting Rod Stud (9433741), Bin 45, Washer (31024), Bin 9, Clip (32069), Bin 8 and the iron, machined, Feed Lever (9433720).

9433762K Feed Control Collar Assy. consists of the iron, machined, Feed Control Collar (9433721), steel guide (9433725), 2 drive screws (83201) and Thumbscrew (85002).

All Miscellaneous Stoker Parts and Assemblies Parts Numbers

1 9536409 Bin feed pipe collar
1 9536410-1 Assembly spacer ring
1 9443093 Crank Handle (1430)
1 9436232K Burner plate kit (1 nut, 1 bolt)
3 81033 ¼ X 20 X ½ inch stove bolts
3 81701 ¼ X 20 nuts
1 82811 Groove pin
1 DHL-N Nickel coiled door handle
1 9561175 Stoker Base

Cleanout rod assembly

1 9437850 Cleanout lever, standard, old style
1 9437851 Cleanout lever, new style for oil
1 9434370 Cleanout rod
1 18 9433723 Cleanout rod eye
1 20 32037 Cleanout rod spring
2 7 82705 Cotter pins
2 25A 82505 5/16” plated washers
1 7051846 Mechanism Hood
1 7052197 Boiler Fire Door
1 9433463K Oil Can w/oil
1 9535472K Can, Water Conditioner

Stoker Base

1 9561175 Stoker Base
1 9542724 Blank Panel
1 9542594 Rear Panel (flue)
1 9542592 Stoker mounting plate
1 9542596 Bin Side Plate
1 9542610 Ash can guide
1 35591 Ash can
1 7042598 Ash Pit Door
1 73319 Ash Pit Door Handle

Complete Pipe Package

1 9451015K Standard Solid Pipe Coupling
1 9437879K Split Pipe Coupling
1 9441326 Burner worm
1 9434748 Burner end pipe, aluminum
1 (Optional) 9434748-1 Burner end pipe, stainless steel
1 9441327 Bin Feed Worm
1 9433752 Bin Feed Pipe
1 (Optional) 9433752-1 Bin Feed Pipe, stainless steel
1 9433748 Worm Coupling

Contents of the Stoker Box, Complete

-- 1 Complete stoker and burner assembly.
-- 1 Cleanout Rod Assembly
-- 1 Cleanout Lever (9437850)
-- 1 Ash Pit Door, without handle (handle is located in the stoker parts box)
-- 1 Air Pipe (9433743)
-- 1 Coal pipe coupler with set screws

Stoker Parts Box (6 X 6 X 6)

-- 1 Pint of Gear Oil
-- 1 Crank Handle (1430)
-- 1 Ash Door Handle
-- 12 Shear Pins
-- 3 1/4 X 20 X1/2 Stove Bolts with Nuts
-- 1 2oz. bottle of parts lubricating oil
-- 1 Nickel plated boiler door coiled handle
-- 4 Pipe coupling set screws
-- 4 3/8” x 1 ¾” Hex Head Bolts

Complete Contents of a Stoker Kit

-- Stoker Blower Box, Complete
-- Stoker Boiler
-- Stoker Base
-- Stoker Auger Kit (coal pipe coupling located inside the blower box)
-- Ash Tub
-- Jacket
-- Equipment Hood
-- Template
-- Stoker Combined Parts Box, Either Water or Steam

In addition, if an Oil Conversion Kit is desired, include:

-- Burner Control Parts Box: (Water 9552166-1K) OR (Steam 9552166-2K)
-- Oil Burner Kit: Chassis (5473) and Air Tube (4765)
-- DF520 Damper Assembly (9552170)

Gooseneck Assembly Parts List

Quantity Bin Number Part Number Description

1 47 82817 Roll Pin 3/16 X 5/8 inch
4 48 81017 Machine screws 12/24 X 3/4 inch
2 49 9431875 Cleanout cover wedge
1 51 87029 Bolt 1/2 X 13 X 1
1 52 82508 1/2” Washer
1 53 82307 1/2” Lockwasher
1 54 9433746 Bushing
1 55 9433739 Shoulder bolt
2 56 81518 Black oxide set screws
1 9451280 Cleanout cover
9460649 Gooseneck, machined
9460654K Gooseneck assembly

Air chamber and Burner Ring Assembly Parts

Quantity Bin Number Part Number Description

1 9450998 Burner Plate Holder
1 9460430 Air Chamber casting
6 9450840 Burner Plates
12 82019 Screws: 1/4 X 20 X 1¼”
12 81701 Nuts: 1/4 X 20
1 9435999 Thin rope 15 inches
1 9435683 Thin rope 32 inches
1 9435770 Thin rope 38 inches
4 50 87085 Allen cap screws
2 57 81507 Unplated set screws
1 47 82817 Roll Pin: 3/16 X 5/8 inch

OPTIONAL Stoker Burner Control Kit
9552166-1K (Water)
9552166-2K (Steam)

Note: Water and Steam Kits are identical except: For Steam, add:
71048 Relay (RA89A)

Box Size: 26 ¼ X 16 ¼ X 6
37431 Insulation panel 12 X 23 with square cutout
37432 Insulation panel 12 X 23 with round hole
37433 Insulation panel 23 ½ X 9 ½ plain
4490 “Installation and Operating Instructions for Optimal Oil
Burner, Model DF 520, Combination Stoker – Oil Burner Boiler”
9537693 Upper Cover Plate (Blue)
9537694 Lower Cover Plate (Blue)
37317 Damper Assembly Gasket
71320 4 X 2 X 1 7/8” Junction Box
73011 4 X 4 X 2 Junction Box
3704 Oil Burner Gasket
5473 Oil Burner Chassis
4765 Air Tube Combination Beckett AF65X0

Into one bag:

Part# Qty. Description
9537429 4 X 4 Junction Box Cover with Center Hole
9537457 2 X 4 Junction Box Cover with Center Hole
9537669 Switch Mounting Bracket (Blue)
71314 (1) Toggle Switch DPDT #0121-0002
71316 (1) Push Button Switch, Carling – P26F-1D-BL
81005 (2) Machine Screws 8-32 X 5/16”
81802 (3) Hex Nuts 5/16” X 18, Plated
82505 (6) Flat Washers, 5/16”, Plated
82506 (2) Flat Washers,1/4” Plated
84022 (2) Hex Head Self-Tap Screw 1/4 X 20 X 1/2”
84024 (14) Hex Head screws #8 X 1/2”, plated
87010 (3) Hex Head Cap Screws 5/16” X 18 X 7/8”
82118 (6) Pin Clips, Insulation Clips 1 1/8 X 1 1/4”
9537647 (1) Oil Burner Control DF 520
XXXX (1) 1.50 – 80 degrees hollow nozzle

Combined Stoker and Control Parts Box - - Water Units

Use Box sized: 22 X 12 X 6
9541331 Cast iron baffle
35587 Draft Regulator
C -- Warranty card (3939)
O -- Instruction booklet: “Installation and Operating Manual
M for the EFM Stoker Boiler, Unit Model DF520” (4892)
B -- Parts List (4569)
I -- Parts List (4570)
N -- Installation and Service Information Bulletin 59E-10
E -- Suggestions for Obtaining Maximum Comfort Bulletin

71347 Stoker Timer (20350)
71112 Triple Aquastat
39104 Boiler Putty
71529 Long Stem Gauge
35586 30# Pressure Relief Valve
73240 Well

Combine into one pack:
84022 (3) Self Tapping Screws, 97110 26” of thin rope gasket
9536409 Bin Feed Pipe Collar, 9536410-1 Assembly Spacer Ring

Combined Stoker and Control Parts Box - - Steam Units

Use Box sized: 22 X 12 X 6

9541331 Cast iron baffle
35587 Draft Regulator
71339 Stoker Timer (34170)
71268 Aquastat
39104 Boiler Putty
51769 Steam Gauge
41343 15# Pressure Relief Valve
71077 Pressure-trol (PA 404A)
50513 Water Glass Set
73240 Well

Combine into one pack:
84022 (3) Self Tapping Screws, 97110 26” of thin rope gasket
9536409 Bin Feed Pipe Collar, 9536410-1 Assembly Spacer Ring

Combined:

-- Warranty card (3939)
-- Instruction booklet: “Installation and Operating Manual for
-- the EFM Stoker Boiler, Unit Model DF520” (4892)
-- Parts List (4569)
-- Parts List (4570)
-- Installation and Service Information Bulletin 59E-10
-- Suggestions for Obtaining Maximum Comfort Bulletin