Ingersoll-Rand 84802( ) Grinder User Manual


 
M12
15
6
DISASSEMBLY/ASSEMBLY INSTRUCTIONS
MOTOR ASSEMBLY
Assemble wavy spring (16) to end plate and assemble end
plate to rotor (19).
Lubricate bearing (15) with ARO 33153 grease.
Press bearing (15) on rotor and into end plate (17). NOTE:
Press on inner race of bearing. Assemble with shielded side
out. Outside face of inner race must be flush with end of ro-
tor.
Assemble washer (14) and screw (13) to rotor using a good
grade of thread adhesive.
Coat rotor blades (18) with ARO 29665 spindle oil and as-
semble to rotor slots straight side out.
Coat i.d. of cylinder (22) with ARO 29665 spindle oil and as-
semble over rotor. NOTE: Air inlet holes in end of cylinder
must be aligned with air inlet holes in end plate (17).
Lubricate bearing (24) with ARO 33153 grease.
Assemble bearing (24) to end plate (23), shielded side out.
Assemble spacer (20) and end plate (23), with bearing, to
rotor. NOTE: Press on inner race of bearing. Be sure rotor
turns without binding.
Assemble gear (25) to rotor. Lubricate gear with ARO 33153
grease.
Assemble motor to housing.
THROTTLE DISASSEMBLY
Remove screw (12), washer (11), spring (10) and valve (8)
with ‘‘O ring (9).
Remove inlet adapter (1) and air diffuser (2).
To remove lock nut (6), remove retaining ring (7).
To remove lever (4), remove roll pin (3).
THROTTLE ASSEMBLY
Lubricate and assemble ‘‘O ring (9) to valve stem (8).
Assemble valve stem (8) and spring (10) to head and secure
with washer (11) and screw (12).
Assemble lock nut (6) to head. Secure with retaining ring (7).
Assemble air diffuser (2) and inlet adapter (1) to head.
Assemble lever (4) to head, securing with roll pin (3).
(ATP2)
45953 LOCKOFF LEVER ASSEMBLY
45777 ARM
45952 LEVER
Y1785 ROLL PIN
45778 SPRING