Sharp R-4A54 Service Manual download pdf (Page 11)

SECTION 7: OPTIONAL HEATER ACCESSORIES

25

FIGURE 18: U-Tube Heater Assembly Overview

U-tube

18" (46 cm)

Center to Center

U-clips

Reflector

End Caps

12

Burner

Reflector

Turbulator

(With Select

Models)

Tube Clamp

Package

Burner

Tube

Tube

U-tube

Support Bracket

Reflector

Support

Couplings

U-tube, Standard

Nut

Lock Washer

Lock Washer

Nut

U-bolt

12

12

U-tube,

Opposite 45°

Vent Adapter

1

U-tube,

45°

2

Tight U-bolt

4" (10 cm) u-bolt,

secured to burner tube

with 1/4" (.6 cm)

lockwashers and

1/4"(.6 cm) -20 hex nuts.

Loose U-bolt

4" (10 cm) u-bolt,

secured to bracket with

1/4" (.6 cm) lockwashers

and 1/4" (.6 cm)-20 hex

nuts on top and bottom to

allow for tube expansion

and contraction.

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