NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
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Cleaning Procedure (see Figure 8A):
Tools required
: (2) 9/16” wrenches, #2 square
drive bit/driver
With catalyst bypass in closed position, remove
(2) baffle boards from firebox.
1. Using (2) 9/16” wrenches, loosen and
remove the bolt and nut that connects the
linkage arm to the catalyst bypass box
2. Loosen (3) square drive screws mounting
bypass assembly hinge bracket to back of
firebox.
3. In an upward and forward pulling motion,
remove assembly from mount and drop
between the front and middle burn tube.
4. Installation is reverse of disassembly.
NOTE: Ensure bypass assembly is sealed to
ceiling of firebox upon reinstallation. Adjust-
ment can be made by loosening (3) mounting
screws and sliding the hinge bracket up or down
to create better seal and then retightening.
Catalyst Bypass linkage replacement
(see Figure 8B):
Tools required
: (2) 9/16” wrenches, #2 square
drive bit/driver
With catalyst bypass in closed position, remove
(2) baffle boards from firebox. Place catalyst
bypass in open position.
1. Using (2) 9/16” wrenches, loosen and remove
the bolt and nut that connects the linkage
arm to the catalyst bypass box
2. On ceiling of firebox, adjacent to linkage arm,
locate and remove (2) square drive screws.
3. Outside of unit, just left of bypass engage-
ment lever, remove (1) square drive screw.
Linkage assembly is now free to remove from
above the firebox. Lift linkage assembly up,
while turning clockwise until linkage arm is
removed from slot in firebox. Assembly can
now be removed while on its side.
Installation is reverse of disassembly.
Figure 8B - Catalyst Bypass Linkage Replacement
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Figure 8A - Cleaning Procedure
