Remove 2
screws
Figure 4.14 Disconnect Air Chamber Cover
Move arm left
Be careful not to
drop Linkage Arm
down into fireplace
- Remove two screws from timer linkage upper arm.
Be careful NOT TO DROP arm in bottom of fireplace.
See Figure 4.15
Figure 4.15 Remove Upper Arm
• Remove two screws from timer mounting plate
(Figure 4.16). Place your hand into the access door
(Figure 4.17) in the floor of the fireplace. Let the timer
assembly and plate drop down and rotate it up through
the access door. You will be looking at the back side of
the assembly. See Figure 4.18.
Timer Plate
Figure 4.16 Remove Screws from Timer Mounting Plate
Rotate assembly up and
out through access door
Arm must be in this position
when re-installing
Figure 4.17 Hand in Access Door
Figure 4.18 Removing Timer Assembly
• Remove old air chamber cover. Place the cover under
the bottom of the firebox. Using a 7/16 wrench attach
the two 1/4-20 bolts as shown in Figure 4.19.
• If installing a new timer, skip to 4.B.7 Timer Removal
& Replacement, install timer, return to here.
• Insert the new timer assembly into the access door
with the back side towards you. Please note the
correct position of the linkage lower arm in Figure
4.18.
Firebox Bottom
Air Chamber Cover
Attach with 1/4-20 bolts
Figure 4.19 Install Control Box
23
Heat & Glo • NorthStar Owner’s Manual • 480-2350 • Rev G • 05/15/14
