Graco LSR Select Instructions Manual page 43

Disassembly of motor coupling section
1. Remove Screws (805) to disconnect Connection
Block (804) from Lead Screw Connector Block.
2. Remove Lead Screw Connecting Block from lead
screw by removing the FHSC screw (807).
3. Remove Mounting Plate (818) from drive assembly
by removing SHC Screws (819).
4. Remove bearing Retaining Sleeve (817) from drive
assembly by removing screws (810).
5. Remove Lead Screw (814) and Lead Screw Nut
(813) with the ball bearing assembly (812/811)
attached.
3A2152B
Motor and motor coupling assembly
1. Assemble Motor Coupler by inserting Roll Pins
(825) and Screws (816).
NOTE: This step is only required if the motor coupler
has been disassembled for service or removed from the
motor.
2. Assemble Lead Screw Nut (813) with Bearing (812)
and E-ring (811).
3. Thread Lead Screw (814) into Lead Screw Nut
assembly until lead screw is flush with top of nut.
4. Slide Lead Screw & Nut Assembly into Lead Screw
Housing (809).
5. Slide Bearing Retaining Sleeve (817) on to the lead
screw assembly, taking care to line up the slots in
the two pieces (809) and (817). Secure in place with
Screws (810).
6. Secure Motor Mounting Plate (818) to Lead Screw
Housing (809) using Socket Head Cap Screws.
7. Place Motor Coupler (815) on motor shaft and lightly
snug Screws (816) leaving about 3/8" of motor shaft
visible between Motor Coupler and motor. Insert
Motor Coupler (815) through Motor Mounting Plate
(818), align 3 Roll Pins and insert into Lead Screw
Nut (813) and gently seat the motor.
NOTE: This step is only required if the motor coupler
has been disassembled for service or removed from the
motor.
8. Remove motor and motor coupler, tighten Screws
(816) and reassemble securing motor to Motor
Mounting Plate using Socket Head Cap Screws
(827).
Repair
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