DeDietrich GT 430 A, GT 330 A Operating Instructions Manual

GT 430 A

82294154

11-20-09

Oil-Gas Fired Hot Water boiler

English

11/20/09

Installation and operating instructions

Warning:



Before putting the boiler into operation read this manual
carefully.

Warning:



The operating manual is part of the documentation that is

or the gas supplier.

delivered to the installation’s operator. Go through the
information in this manual with the owner/operator and
make sure that he or she is familiar with all the necessary
operating instructions.

Notice:



This manual must be retained for future reference. Improper
installation, adjustment, alteration, service or maintenance can
cause injury, loss of life or property damage. For assistance or
additional information consult a qualified installer, service agency

Guideline of Notices

82294154

11-20-09

"Installation of this equipment must be in accordance to National and
local codes having jurisdiction"

[Canadian Installations] CSA B139 for Oil & CSA B149 for Gas
[USA Installations] NFPA 31 for Oil & NFPA 54/ANSI Z223.1 for Gas.

The boiler must be connected to a venting system that will safely exhaust
all flue gases in an effective manner.

The boiler is certified to use only these fuels listed below, do not burn
garbage or paper, never leave combustible material near it. Do not burn
gasoline, crankcase draining or any other fuel containing gasoline.

Natural Gas, Propane Gas & # 2 Fuel Oil

Safety Considerations

Warning:



indicates presence of hazards that can cause, if not
avoided, severe personal injury, death or substantial
property damage.

! Caution:

indicates presence of hazards t hat will or ca n cause, if not
avoided, minor personal injury or property damage.

Notice:



Application comment for optimum use of equipment and
adjustment as well as useful information.

Reference to an other instruction book.

Z

Observe the following symbols

DANGER



due to explosion of gas.

- Work only on gas components when you have a license to do so.

- Note t hat the a ssembly of gas and vent connections, the initial
start-up, the electrical connections, the maintenance and service
can only be perfor med by a licensed se rvice contra ctor or
technician.

DANGER



due to electricity.

- Prior to doing any work on the heating system, disconnect all
electrical power to the boiler at the emergency switch.

- It is NOT sufficient to shut off only the boiler control!

! CAUTION!

SYSTEM DAMAGE
due to improper installation.

- Observe l ocal and state codes as well as common i ndustry
practices during the install ation and operation of the heating
appliance.

! CAUTION!

SYSTEM DAMAGE
due to inadequate cleaning and maintenance.

- A boiler cleaning and maintenance should be performed annually.
Verify complete system operation at the same time.

- Correct the prob lem immediately to prevent damage to the
system!

! Caution:

Refer to User’s Manual regar ding the carcinogenic hazard of
crystalline silica that may be found during installation, servicing
and removal of this boiler.

Please observe the following safety instructions.
Read this manual carefully.
Correct in stallation and adjustment of the burner and the control

panel is a precondition for safe, efficient operation of the gas boiler.
Read this manual and the specifications on the safety label carefully

before attempting to put the burner into operation.

Do not store or use gasoline or other flammable liquids in



the vicinity of this or any other appliance.

WHAT TO DO IF YOU SMELL GAS:

- Do not try to light any appliance.

- Do not touch any electric switch, do not use any phone in
your building.

- Immediately call your gas supplier from a neighbor’s
phone. Follow the gas supplier’s instructions.

- If you cannot reach your gas supplier, call the Fire
Department.

Installation and service must be performed by a qualified
installer, service agency or the gas supplier.

Warning:



Improper installation, adjustment, and/or operation could
cause carbon monoxide poisoning resulting in injury or
death.
This product must be installed and serviced by a
professional service technician who is experienced and
qualified in hot water boiler installation and gas
combustion.

! Caution: Strict compliance with these instructions is a

precondition for the correct operation of the boiler.

! IMPORTANT

Service on this boiler should be undertaken only by trained and
skilled personnel.
Keep bo iler area cle ar and free from combustible materials,
gasoline and other flammable vapors and liquids.
Do not place any obstruction in the boiler room that will hinder
the flow of combustion and ventilating air.
Read these instructions carefully before proceeding with the
installation of boiler. Post instructions near boiler for reference
by owner and serviceman.
Maintain instructions in legible condition.

2

Contents

82294154

11-20-09

Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3

Regulations and guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4

General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4

1 Boilers covered by this document . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4

2 Uncrating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4

3 Packing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5

4 Technical specifications of boilers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7

Main Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8

Boiler Installation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9

1 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9

2 Ventilation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10

Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10

Piping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27

1 Dimensional information required. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27

2 Recommendations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27

3 Filling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28

4 Ancillaries. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28

Combustion and ventilation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30

1 Clearances . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30

2 Replacement procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .31

3 Dimensional information required for connection of the boiler . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .31

Oil or gas connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .32

1 Specific technical information supplied with the burner . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .32

Electrical. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33

1 Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33

2 Wiring procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33

3 Wiring boiler panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .34

Start up procedures. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .35

1 Shut-down procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .36

Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .37

1 Boiler . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .37

2 Shut down procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .38

Service and maintenance schedule . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .39

Isometric views and list of spare parts - GT 400 A. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .40

3

Regulations and guidelines

82294154

11-20-09

Only a qualified and licensed heating professional is to carry out the
removal, installation, startup and maintenance of this boiler. The boiler must
be installed according to all national and local codes having jurisdiction. The
operation of the boiler must be verified and all safety controls checked. Any
defect or abnormal operations must be corrected immediately. The entire
system requires annual service and cleaning at least once a year.

The installation and operating instructions shown here are given as a
guide for installation and operation and are not meant to replace any
State or Local Codes that may apply to the individual installation.
Good engineering practice should be used. Any deviation from laws
or regulations or industry Code or these instructions will void the
boiler warranty and any other responsibility or liability of the De
Dietrich Thermiques S.A.

Installation codes

• THE BOILER SHALL BE ASSEMBLED AND INSTALLE D BY A
QUALIFIED PROFESSIONAL ONLY. STRICT COMPLIANCE WITH
THESE INSTALLATION AND OPER ATING INSTRUCTIONS IS A
PRECONDITION FOR THE CORRECT AND GUARANTEE OF THE
BOILER.

• THE INSTALLATION MUST CONFORM TO THE
REQUIREMENTS OF THE AUTHORITY HAVING JURISDICTION
OR, IN THE ABSENCE OF SUCH REQUIREMENTS, TO THE CAN/
CGA B-149 FUEL GAS INSTALLATION CODES AND CSA B-139
OIL INSTALLATION CODES.

• WHERE REQUIRED BY THE AUTHORITY HAVING
JURISDICTION, THE INSTALLATION MUST CONFORM T
STANDARD FOR CONTROLS AND SAFETY DEVICES FOR
AUTOMATICALLY FIRED BOILERS ANSI/ASME CSD-1.

The boilers of the GT430 A range are automatic independent hot­water boilers designed for con necting to a flue which require a
separate fuel oil or gas burner.

1 Boilers covered by this document

O THE

• THE INSTALLATIO OF THE RELIEF VALVE SHALL BE
CONSISTENT WITH
CODE, SECTION IV CSA B51.

• THE BOILER MUST NOT BE INSTALLED ON CARPETING.

• IF AN EXTERNAL ELECTRICAL
BO

ILER WHEN INSTALLED, MUST BE ELECTRICALLY BONDED
TO GROUND IN ACCORD
THE AUTHORITY HAVING JURISDICTION OR, IN THE
ABSENCE O F SUCH REQUIREMENTS , WI TH THE CANADIAN
ELEC

TRICAL CODE

LABEL ALL WIRES PRIOR TO DISCONNECTION WHEN



SERVICING CONTROLS. WIRING CAN CAUSE IMPROPER
OPERATION AFTER SERVICINGS. “VERIFY PROPER
OPERATION AFTER SERVICE”.

ANSI/ASME BOILER PRESSURE VESSEL

SOURCE IS UTILIZED, THE

ANCE WITH

PART 1, CSA C22.1, ELECTRICAL CODE.

THE REQUIREMENTS OF

General

The GT 430 A boilers are pressurized hot water heating boilers,
connected to a flue, fitted with an independent burner using domestic
fuel oil or gas.

2 Uncrating

Upon arrival, check shipment to ensure all parts have been shipped.
Inspect all items for delivery damage. Report all damage and
shortages to the delivery carrier. Report any damage and shortages
to the Distributor.

4

The boiler is equipped with standard control panel.

GT 430A Series - Cast Iron Sectional Boiler Technical

82294154

11-20-09

Specification Data Table

Model

Item

Firing Sequence Consult Burner Technical Data

[CSA] - Gas Input

[CSA] - # 2 Fuel Oil Input

[CSA] - Output [Gas-Oil]

NET I=B=R Water Rating

Cast Iron Sections

Flue-way baffles

Water Capacity

Water

Resistance

[∆T = °F]

18° F

27° F

36° F

Diameter

[equivalent]

Combustion

Chamber

Depth

Dimensions

Volume

Volume

Combustion chamber

and flue way volume

Volume

MAWP [Water]

Min. Safety Relief Capacity

Electrical Connection 120/1/60 < 10A

Max. Water Temp.

Safety Limit [MR]

Water Operating

S3NA Panel

Temperature Range

Chamber Resistance

Gas-Vent Category I-II-III-IV & Sidewall

Boiler Vent Connection

Weight [Dry]

Unit GT 430-8A GT 430-9A GT 430-10A GT 430-11A GT 430-12A GT 430-13A GT 430-14A

MBH 1,730 1,947 2,278 2,567 2,826 3,100 3,389

kW 507.2 570.5 667.7 752.3 828.3 908.6 993.2

US GPH 12.00 13.50 15.80 17.80 19.60 21.50 23.50

MBH 1,474 1,659 1,941 2,187 2,408 2,641 2,887

kW 432.1 486.1 568.9 640.9 705.8 774.2 846.2

MBH 1,282 1,442 1,688 1,902 2,094 2,297 2,511

# 8 9 1011121314

# 16161624202020

US Gal 96.70 108.06 119.42 130.78 142.14 153.50 164.86

Liter 366 409 452 495 538 581 624

Ft. H

Ft. H

Ft. H

O [mbar]

2

O [mbar]

2

O [mbar]

2

Inch

1.360 [40.656] 2.040 [60.984] 3.232 [96.595] 4.095 [122.390] 5.241 [156.667] 6.630 [198.181] 8.312 [248.467]

0.605 [18.069] 0.907 [27.104] 1.437 [42.947] 1.824 [54.527] 2.331 [69.681] 2.977 [88.990] 3.694 [110.430]

0.340 [10.164] 0.510 [15.246] 0.808 [24.147] 1.025 [30.647] 1.310 [39.167] 1.658 [49.545] 2.079 [62.155]

20.87

mm

Inch 46.57 52.87 59.17 65.47 71.77 78.07 84.37

mm 1,183 1,343 1,503 1,663 1,823 1,983 2,143

3

Ft

3

m

3

Ft

3

m

10.95 12.50 13.98 15.50 16.98 18.47 19.95

0.31 0.354 0.396 0.439 0.481 0.523 0.565

19.88 22.53 25.14 27.79 30.37 32.98 35.59

0.563 0.638 0.712 0.787 0.860

PSI

MBH 1,618 1,820 2,130 2,400 2,643 2,899 3,168

V/P/H

° F

° C

° F

° C

Adjustable 104 - 212 [factory preset stop at 185] Optional Hi-Temperature kit available

Adjustable 40 - 100 [factory preset stop at 85] Optional Hi-Temperature kit available

Fixed non adjustable 248

Fixed non adjustable 120

inch w.c. 0.44 0.60 0.80 1.00 1.00 1.00 1.00

mbar 1.1 1.5 2 2.5 2.5 2.5 2.5

#

Inch 10 10 10 12 12 12 12

lb 3,241 3,638 4,034 4,431 4,828 5,225 5,622

kg 1,470 1,650 1,830 2,010 2,190 2,370 2,550

530

0.934 1.008

90

Note:

• CSA - MBH Output based on Thermal Efficiency Test According to ANSI Z21.13a/CSA 4.9a-2005

• All Models Certified for 0 - 4,500 feet ASL installation altitude, consult factory for higher altitudes

• [NET] MBH Output Factor 1.15, Allowance for Piping and Pickup Losses

• Chamber Resistance Based on Neutral Chimney-Vent Pressure

• Conversion Btu/Hr to kW = 3,412 Btu/Hr per kW

• All Models are Design Certified & Eligible to Bear Approval Marking as Shown.

• All Models Certified to Fire; # 2 oil, Natural & Propane Gases. Consult factory for Available Burners.

• All Models Comply and Certified in Accordance to the latest Canadian & US standards

•

Due to ongoing and continuous product improvements, DDR Americas Inc. reserves all rights to amend and delete information provided on this
product specification table.

GT 430 A

G50_0001

X

82294154

11-20-09

8229N071

Main Dimensions

1/8

29

6A

==

¿3

0
I

61

16

(3) (2)

A

¯

¿3

1/8

1/2

2

1/8

5

1/4

3

(1)

S

1/8

5

5

1/8

4

1/16

59

1/4

3/4

5

1/2

21

45

1/4

7

1/2

25

25

(4)(5)

2

2

1/8

1/8

7/8

1/4

20

45

6

5/8

25
40

3/8

==

(1) 3” 150# weld neck flange
(2) 1/2” NPT tapping for temp sensing well, etc…

L

(4) 3/4” NPT tapping for low water cutoff probe type
(5) 1/2” NPT tapping for combination pres/temp gauge

4

15/16

(3) 2” NPT tapping for safety relief valve

32

35

38

1/2

1/2

GT 430-13A

3/4"

90

1/16"

78

13/16"

11

Type of boiler GT 430-8A GT 430-9A

L

S

Ø A out.

46

59

1/4"

9/16

7/8

9

65

52

1/2"

7/8"

7/8

9

GT 430-10A

7/8

71

1/8

59

7/8

9

GT 430-11A

1/8"

78

1/2"

65

13/16"

11

GT 430-12A

1/2"

84

3/4"

71

13/16"

11

Dimension "X" Maximum Burner Length (inches)

Boiler Model Riello Weishaupt Power flame Fuel Master Gordon Piatt

GT430-8A

GT430-9A 32

13/16

22

GT430-10A

GT430-11A

GT430-12A

1/16

33

GT430-13A

GT430-14A

23

26

1/8

25

3/16

31

1/8

30

7/16

37

Notes:

-Dimension are for gas burners only

1/2

5

==

GT 430-14 A

97"

3/8"

84

13/16"

11

26

-Oil and combination oil/gas burner , refer to burner manufacturer
specifications

8

Boiler Installation

82294154

11-20-09

Do not install boiler on combustible
flooring, pad or carpet.

Dimension 'X' - consult burner information,
an additional 24 inches in front of the burner
is needed for servicing.

1Installation

The GT 400 A boiler has a sturdy underframe, it does not need any
special base although a housekeeping pad is recommended to keep
steel parts out of casual water. It s furnace is closed, so it is not
necessary to place it on a fireproof floor, but the floor must be able to
bear the weight.

59

1/16"

"

1/8

7

40

1/8

"

4

1/8

21 1/2"

"

S

Combustion air

per local codes

Dimension LDimension BDimension

GT 408 A

GT 409 A

GT 410 A

GT 411 A

GT 412 A

GT 413 A

GT 414 A 97"

59

65

71

78

84

90

1/4"

1/2"

7/8"

1/8"

1/2"

3/4"

"

B

40

3/8

"

L

X

"

3/8

20

C

3/8"

5

5/8"

1

1/8"

4

5/8"

1

1/8"

4

5/8"

1

1/8"

4

24"

71"

71"

71"

76"

76"

76"

Top view

Burner door open

20

25 1/8"

3/8

10 1/8"

5/8"

R = 17"

"

5/8

Additional

the space required when the burner door is open.

R = 30

9

2 Combustion Air Supply

82294154

11-20-09

Combustion air supply must be sized according to national and local codes
CSA B149.1 & .2 CSA B139
ANSI Z223.1 & NFPA 31

Boilers operating in atmospheres t hat contain fluorides or chlorides
such as beauty shops and automotive repair garage s whe re air
conditioning services are performed or industrial applications that
may have corrosive elements in the air must have a clean source of
combustion and ventilation air. Boiler damage by contaminants will
void the warranty and any other responsibility or liability of De Dietrich
Thermique/FES Ltd.

To fit the sections, proceed in the following order :

- fit the rear section

- fit the special intermediate section

-fit all of the normal intermediate sections

- fit the front section

1

Note: Ensure boiler room is adequately ventilated and clear



and free from combustible materials, gasoline and other
flammable vapours and liquids.

Assembly

.

2

8229 025AN

8229-0043

8229-0045

8229-0041 8229-0042

1: rear
2: front

Rear section

Boiler model

GT 430-8 A 1 1 5 1

GT 430-9

A 1 1 6

GT 430-10 A 1 1 7 1

GT 430-11 A 1 1 8 1

GT 430-12 A 1 1 9 1

GT 413 A1 1101

GT 414 A

n° 8229-0043

1 1111

Special intermediate

section

8229-0045

Normal intermediate

section

8229-0041

Front section

8229-0042

1

10

Step one

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Step two

Front - Rear



GT 430-8A - GT 430-10A - GT 430-12A - GT 430-14A



GT 430-9A - GT 430-11A - GT 430-13A



- Fit the 2 rear attachment brackets (in the body accessories pack)

and attach them onto the framework using 2 bolts HM 12X25/25 +
4 washers L12 and 2 nuts HM 12.

Use the corresponding holes following the indication on



the frame.

- Put the lower insulation in place (fabric to the top) packs CS 51 to

CS 57. Adapt length if necessary or fold the lower insulation after

the casing has been completely assembled.

Mounting of framework and thermocord

L 12

HM 12

• Locate the framework depending on the direction in which the
burner door will be opened and the length of the burner.

• Put the rear section in position on the framework and support it.
Attach it at the brackets using 2 bolts HM 12x40/40 + 4 washers
L 12 + 2 nuts HM 12.

• Using a silicone gun, put silicone mastic points (1 cartridge
supplied with the accessory pack CS 20) into the sealing
groove of the section (approx. every 5 to 10 cm) then carefully
put the thermocord in place in the sealing groove.

do not pull on the cord when it is being put in, to avoid



stretching to preserve its thickness. Avoid to locate the
junction point at the bottom of the section.

HM 12

40x40

8"

2/5"

11

Step three

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Handle the nipples with gloves, there might be sharp



edges.

Step four

Clean the bores and nipples with a solvent.



Coat them with the lubricant supplied with the sections.



- Drive in the 2 nipples gently.

12

Step five

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Assembling the sections

A : thermocord

Special intermediate section before rear section.



Place the special intermed iate section, note fro nt back



relationship with the sealing groove against the thermocord.

For safety, insert an up per assembly rod ( body accessories



pack) into the holes in the 2 sections.

Gently and at the same time driv e in the 2 nipples of the rear



section using a hammer and a piece of wood.

13

Step six

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- Put the special assembly tool in place. - Tighten progressively so the upper and lower connectio ns come

together equally at the same time.

Step seven

- Fit the remaining sections one by one in the order given,

proceeding as per steps 3-4-5-6.

- Leave the assembly tool in place.

14