Ingersoll-Rand 8478-A1, 8475-A-( ) Motor Section, Spindle Section, and bearing 33237 to housing

SPINDLE SECTION

DISASSEMBLY

a.Remove driver (43163) from spindle. Tap end of spindle with a soft face hammer to loosen and remove spindle out nose end of housing.

ASSEMBLY

a.Assemble felt seal (44606), wave washer (43150), bearing (42516) -shielded side towards nose end of housing -spacer

(44605) and bearing (33237) to housing.

b.Assemble spindle to housing and assemble driver (43163) to spindle.

c.Assemble “O”ring (Y325-22), screen (43641) and diffuser (43168) to housing and assemble to tool with coupling (43203), spacer (43164) and driver (43162).

		MOTOR SECTION
		INSTALL WITH SHIELDED SIDE OUT &
END PLATE 43184 CYLINDER 43152	7	OUTSIDE OF INNER RACE PRESSED
		FLUSH WITH END OF ROTOR
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BEARING 42515	SPACER 43149 J
	ROTOR 43148	PLATE 43185
INSTALL WITH SHIELDED SIDE OUT
	BLADES (4) 41638-/	WAVY SPRING 43150-’
		BEARING 42516	I
		WASHER Y48-6 ’
		* SCREWY8-463-C J
		* ASSEMBLED WITH GRADE A LOCKTITE

MOTOR ASSEMBLY 43180

DISASSEMBLY

a.Grasp cylinder (43152) in one hand and tap threaded end of rotor with a soft face hammer; motor will come apart.

b.NOTE: Screw (Y8-463-C) is assembled to the rotor with a hard drying adhesive and should not be disassembled unless it is necessary to replace a worn part.

ASSEMBLY

a.Assemble wavy spring (43150) and bearing (42516) to end plate (43185). Assemble bearing to end plate with shielded side out.

b.Assemble end plate (43185) to rotor and secure with washer

(Y48-6) and screw (8-463-C). NOTE: Bearing to be pressed on rotor with the outside face of the inner race flush with the end of rotor and assemble screw to rotor, using a good grade of adhesive.

c.Assemble cylinder over rotor to end plate and assemble blades to rotor.

d.Assemble bearing (42515) to end plate (43184), with the shielded side out, and assemble end plate over spacer (43149) to cylinder, aligning pin in cylinder with slot in end plate.

e.Assemble collet body or driver (43162) to rotor.

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