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CGs-4E Gas-Fired Water Boiler — Boiler Manual
GOLD
2a
Prepare boiler — placement & setup
Place boiler/crate near
position
1. Leave boiler in crate and on pallet until installation
site is ready.
2. Move entire crate and pallet next to selected loca-
tion.
3. Remove crate.
4. Remove boiler from pallet.
a. Tilt left side of boiler up and place a board
under left legs.
b. Tilt boiler the other way and place a board
under right legs.
c. Slide boiler backward off pallet and into posi-
tion.
5. Check level.
a. Shim legs, if necessary.
b. Do not alter legs.
Inspect orifices and burners
1. Remove front jacket door. Remove inlet air box top
panel (see
2. Check for correctly-sized manifold orifices. See
Table 2
the orifice spud barrel.)
3. Reinstall inlet air box top panel.
Table 2 Manifold orifice sizing
Location
U. S.
Canada
Note 1:
12
Do not drop boiler or bump jacket
on floor or pallet. Damage to boiler
can result.
Figure 27
13
, item
, page 56).
for sizing. (The orifice size is stamped on
Correctly-sized manifold orifices
must be used. Failure to do so will
result in severe personal injury,
death or substantial property dam-
age.
0-2,000 ft
2.55 mm
0-2,000 ft
2.55 mm
For elevations above 2,000 feet, contact your local Weil-McLain sales office for details.
Orifice replacement procedure
(when required)
1. Remove the screws securing the inlet air box top
panel.
2. Remove inlet air box top panel and inspect the fiber
gasket.Verify the gasket is in good condition and can
seal around the complete perimeter of the air box.
Replace the gasket if necessary.
3. Using a
orifices from the manifold.
4. Apply a small amount of pipe dope to each of the
new orifices and install in the manifold using a
open-end wrench. Make sure the orifices are aligned
correctly, not cross-threaded in the manifold tap-
pings.
5. Carefully replace the inlet air box top panel, making
sure the gasket is in place will seal all around the
perimeter.
6. Follow the check-out procedure, Section
to assure the boiler is now operating properly after
orifices are replaced.
Natural gas
over 2,000 ft
(Note 1)
2,000-4,500
#41
Inlet air box top panel must be in
position during boiler operation.
Failure to do so could result in
severe personal injury, death or
substantial property damage.
7
/
" open-end wrench, remove the burner
16
Use only pipe dope compatible with
propane gas, even if boiler is to be
operated on natural gas. Failure to
comply could result in severe per-
sonal injury, death or substantial
property damage.
Propane gas
0-2,000 ft
over 2,000 ft
1.60 mm
(Note 1)
0-2,000 ft
2,000-4,500
1.60 mm
1.45 mm
Part number 550-110-282/1108
7
/
"
16
8
page 31,
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