PreCise PF3400, Hardware Reference Manual

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PreciseFlex_Robot
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5. Lay the robot down on its back side on a table where there is room to work.
6. Remove the Idler Plate Assembly by removing the M5 set screw that compresses the Idler Plate
Spring, the 2 M4 SHCS that clamp the Idler Plate, and the M5 Shoulder Screw that forms the
Idler Plate pivot. Be careful not to drop the pressure washer and tension spring that are inside
the Idler Plate assembly. The tension spring presses against an M5 shoulder screw to tension
the Z axis Stage 2 belt.
7. Remove the remaining M5 shoulder screw.
8. Disengage the Z Carriage Timing Belt from the lower Drive Pulley. If it is necessary to replace
the Z Carriage 2
nd
Stage Timing Belt, remove the the Z Carriage Inner Cover and then the Timing
Belt Clamp from the Z carriage by removing 2 M4 X 12 SHCS and lock washers and replace the
belt.
9. Remove the left splash guard by removing the M3 X 8 SHCS on the retaining bracket.
10. Remove the 4 screws holding the Electronic Chassis to the Z Extrusion and the 2 screws
attaching the Electronic Chassis and ground wire to the Base Plate.
M5 Set Screw
M4 Locking Screws
M5 Shoulder Screw
M5 Shoulder Screw
Z Carriage Inner Cover