Install Jacket - Weil-McLain 88 Manual

Weil-McLain 88 Water and steam boilers — Series 2 —

Install jacket

Before installing jacket
The boiler contains ceramic fiber and fiberglass materials.
Use care when handling these materials per instructions
on page 34 of this manual. Failure to comply could result
in severe personal injury.
must be on boiler
1. These parts
a. Plugs for unused tappings
b. Supply and return piping and steam supply header
c. Cleanout plates
d. Tankless heaters (when used), tankless heater cover plates
(when used), tankless heater piping (when used)
e. Flue damper assembly
f. Observation port assemblies
may be on boiler
2. These parts
a. Burner mounting plate
must be off boiler
3. These parts
a. Water or steam gauge
b. Limit control and low water cutoff
c. Gauge glass and gauge glass cocks, tri-cocks
d. Drain cock
Remove jacket parts from cartons
1. Locate jacket cartons.
2. Remove jacket parts from cartons as needed. Leave in cartons as
long as possible to avoid damage.
3. Jacket parts are in the boxes listed below:
Part
Jacket screws (in jacket corner boxes)
Jacket support brackets & hex nuts
Jacket side support channels, upper & lower
Jacket front/rear support channels, upper & lower
Jacket front panel
Jacket back panel
Jacket side and top panels
Jacket corners
Jacket trim
Install support brackets/channels
1. Place upper and lower support brackets over draw rods as shown
in Figure 29, page 21. Place the brackets on the sections as given
in Figure 27. Sections are numbered from front to back.
2. Fasten each bracket loosely using two 5/8" nuts screwed onto the
ends of the tie rods as shown.
Models 488 through 988 do not require lower support
brackets. Only upper brackets are required.
Fasten all nuts and screws loosely during assembly to
allow adjustment after all jacket frame parts are in-
stalled.
20
:
:
:
Box label descriptions
CRNR
included in boxes
BKT
TRM/CHNL
included in boxes
COM
PNL-F
PNL-B
L / R / T
CRNR
TRM/CHNL
for Gas, Light Oil, & Gas/Light Oil-Fired Burners
Figure 27
Place support brackets as listed below
Boiler Upper brackets on
sections:
488
588
688
788
888
988
1088
1188
1288
1388
1488 3, 7, 10, 13
1588 2, 5, 8, 11, 14
1688 2, 5, 9, 12, 15
1788 2, 5, 9, 13, 16
1888 2, 6, 10, 14, 17
3. Attach the upper channels to the upper supports as
shown in callouts
Use two #10 x ½" screws at each bracket. Models
988 and larger have two-piece channels.
• The side channels are labelled
ure 29. Figure 28 gives the lengths of the side
channel parts for each model.
• The channels at the boiler front and rear are
part numbers 426400030 & 426400031, re-
spectively.
Figure 28
Upper and lower side channel lengths
Boiler Upper channel lengths
(inches)
A
488 30
588 38
688 46
788 54
888 62
988 35
1088 43
1188 43
1288 51
1388 51
1488 51
1588 59
1688 67
1788 67
1888 71
4. Attach the four jacket corners to the upper channels
as shown in callout
part numbers are: 426400054 (front left), 055 (front
right), 056 (back left), and 057 (back right).
5. Attach the lower side, front and rear channels
to the jacket corners as shown in callouts
of Figure 29, page 21. Models 1088 and larger
have two-piece side channels. The channels are
A B
labelled and
lengths of these parts for each model. Front and
rear lower channels are part numbers 426400032
and 426400033.
Lower brackets
on sections:
2, 3 None
2, 4 None
2, 5 None
2, 6 None
3, 6 None
2, 5, 8 None
3, 6, 9 6
3, 6, 9 6
3, 7, 10 7
3, 7, 11 7
7
8
9
9
10
, and , Figure 29, page 21.
A B
and in Fig-
Lower channel lengths
(inches)
B A B
NA 26 NA
NA 34 NA
NA 42 NA
NA 50 NA
NA 58 NA
35 66 NA
35 40 34
43 40 42
43 48 42
51 48 50
59 48 58
59 56 58
59 64 58
67 64 66
71 72 66
, Figure 29, page 21. Corner
in Figure 29. Figure 28 gives the
Part No. 550-100-068/1009
and