CarAlarms.com P90-NG1 manual Removing Valve, Installing Valve, Hint, Impossible, Screws

MAINTENANCE

REMOVING VALVE

1)Shut the power off.

2)Open the bottom louver door. Loosen the 2 screws holding the Burner ON/OFF switch and bracket to the bottom louver and lift the assembly out.

3)Remove the facade if installed.

4)Remove the glass door (Refer to the "Glass Door Installation" section).

5)Remove the logs.

6)Remove the burner/grate assembly by removing the two Phillips head screws and then slide the burner assembly to the left and lift out.

9)Disconnect the inlet gas line. See dia. 2.

10)Disconnect the 2 TP wires and the 2 TH wires from the valve.

11)Removethe12Phillipsheadscrewssecuring the valve tray assembly in place and then lift the entire assembly out.

Hint:	If you are using black pipe, ensure
	that there is a union by the valve,
	otherwise removal will be almost
	impossible.

INSTALLING VALVE

1)Attach the valve to the valve bracket with the 4 (m5x8 metric) screws provided.

2)Reconnect the "gas out" fl are fi tting with an 11/16" wrench.

3)Reconnect the "gas out" fl are nut with a 13/16" wrench.

4)Install piezo ignitor push button assembly and reconnect wire.

5)Reconnect the quick drop out thermocouple nut with a 9mm wrench.

6)Reconnect the pilot tube nut with a 7/16" wrench.

screws Valve Tray Assembly

Diagram 1: Remove the left and right screws and then slide the burner/grate assembly to the left and lift out.

7)Remove the rear log stand by removing the 2 screws.

screws Rear Log Stand

7) Scrape off the old gasket from the floor of the

fi rebox and from the valve tray assembly.

8)Install a new gasket and reinstall the valve tray assembly.

Note: Failure to install a new gasket may severely affect the appliance performance.

9)	Reinstall the 10 hold down screws.
10)	Hook up the 2 TP and 2 TH wires to the
	appropriate connections on the valve.
11) Reinstall the bottom brick panel, then screw
	the 2 screws & sleeves through the brick
	panel to the fi rebox base (reversing step 8)
	leaving them about 1/4" (6mm) above the
	brick panel. Reinstall the rear log stand.
12)	Install Burner/grate assembly
13)	Hook up the gas line and check for gas
	leaks with a soap and water solution or a
	gas leak detector. (Do not use open fl ame

8)Remove the 2 screws & sleeves on the bottom brick panel and lift out the bottom brick panel. The brick panel is very fragile - handle with care.

screws

12)Undo the pilot tube from the valve with a 7/16" wrench.

13)Undo the quick drop out thermocouple nut on the valve with a 9mm (metric) wrench.

14)Remove the Piezo igniter wire and push button assembly.

15)Undo the "gas out" fl are nut with a 13/16" wrench.

16)Undo the "gas out" fl are fi tting with an 11/16" wrench.

17)Remove the 4 Phillips head screws from the sides of the valve bracket and remove valve.

	for leak testing.)
14)	Fire up the unit temporarily
15)	Check the manifold pressure.
16)	Reinstall the logs and brick panels as
	needed.
17)	Reinstall the glass door and the facade.
18)	Fire up the unit again and check for proper
	fl ame appearance and glow on logs.

40 Excalibur® P90 Zero Clearance Direct Vent Gas Fireplace