Sierra Products B Model manual Repeat service on lower brush, Assembly

Figure 5

Removing the brush caps: Using a small flat blade screw driver rem ove one brush cap at a tim e. Care should be taken as the brush holder has a spring that forces to the brush onto the arm ature. This

spring may cause the cap to pop out unless held firm ly

(Figure 5).

Removing and dressing the brush: Rem ove the brush from the holder by lifting up

and sliding the brush and spring clear (Figure 5). Once the brush is clear hold the brush base and carefully take a couple of swipes across the brush face with fine sand paper (Figure 6).

Figure 6	NO TE: W HEN SANDING THE FACE OF THE BRUSH DO NOT
	REMOVE ANY MATERIAL. W E ARE ONLY SCUFFING THE
	SURFACE TO ALLOW FOR BETTER BRUSH CONTACT.
	Reinstalling the brush: Insert the brush back into the holder. Hold the
	term inal tab into the holder. Carefully insert the cap and turn with a
	sm all flat bladed screw driver. Use care not to cross thread the cap.
	Once the cap is threaded lightly tighten against term inal tab (Figure 7).
	Repeat service on lower brush.
	Assembly:
	Reconnect motor
	wires to red and
	black term inals.
	Check fan blade for
	bent blades by
	spinning by hand. If
	blades are not
	aligned carefully
Figure 7	bend back into
	place.
Carefully reinstall upper rear panel (Figure 8).
	Figure 8

After completing the installation of the rear panel and tightening all the phillips screws. Plug the heater back into AC power and test run by

running fan motor on “Fan” setting for 2 minutes and then running on “Clean” for 30 seconds. Open hopper lid and run unit through a beginning start up by pressing “Low” and allowing fan to ignitor and fan to start up. If all appears to activate reinstall unit.

Additional inform ation is available on line@ www.sierraproductsinc.net/pages/custom er_service

Technical Custom er Service - 909-399-3355x14

5061 Brooks St. Ste B Montclair, CA 91763

800-527-4790 Fax 1-909-399-3357

www.sierraproductsinc.net

P/N Fan Motor Brush Service 08 10/08