Replace The Ball Screw Assembly; Required Tools - Graco Core E1 Operation, Repair, And Parts

Replace the Ball Screw
Assembly

Required Tools

• 3/16 in. Allen wrench
• 3 mm Allen wrench
• 24 mm open end wrench
• 7/16 in. open end wrench
• Torque wrench capable of 25-125 in-lb (2.8-14.1
N•m) of torque
• Synthetic grease with Syncolon (PTFE)
• Medium strength thread locking compound
• Rubber mallet
De-energize the System
1. Follow the Pressure Relief Procedure on page 15.
2. Turn the TPC switch (ZP) to OFF and unplug the
power cord.
3. Wait five minutes for power to dissipate prior to
servicing.
3A8503C
ZP
TPC
ti40939a
Ball Screw Disassembly
1. Follow Remove the Electric Motor on page 16.
2. Use a 3/16 in. Allen wrench to remove four
fasteners (207) from the bottom of the mounting
clamp ring (206).
3. Remove the mounting clamp ring (206) from the tie
rods (203).
4. Slide the guide cover (208) out of the tie rods (203).
NOTE: The cover may need to be tapped out with a
rubber mallet.
5. Place the open end of a 24 mm wrench on the flats
(FL) of the ball screw assembly (204) to prevent
rotation and use a 3 mm Allen wrench to remove
four fasteners (205) that secure the ball screw to
the motor (201).
NOTE: Use the open end of a 7/16 in. wrench to
remove a tie rod (203) if additional clearance is
needed to gain access to the flats (FL) of the ball
screw assembly (204).
Do not use the ball end of an Allen wrench to
remove the four fasteners. Damage could occur.
6. Slide the ball screw assembly (204) out of the motor
(201).
204
208
206
ti40976a
Repair
NOTICE
201
203
FL
205
207
25