46230813.pdf - 第52页
Page 50 T46230813 Rev . D DH P ositioning System Assembl y , P/T This Document Supports Assembly 46230813 Rev. D Preventive Maintenance Schedule WAR NI NG Do not perform any preventive maintenance with power on unless sp…
Page 49
DH Positioning System Assembly, P/T T46230813 Rev. D
This Document Supports Assembly 46230813 Rev. D
Front Board Guide
Switch Bracket
Strap
A
ctuator
Air Cylinder
Cylinder Bracket
Plate
Cylinder Bracket
Strap
Air Cylinder
Actuator
Strap
Switch
Bracket
15. Manually move the air cylinders through the entire stroke to ensure
there is no binding. If any binding is present, loosen the screws
securing the cylinder bracket to the plate and the air cylinder to the
cylinder bracket and retighten.
16. Install the strap and sensor switch to the left switch bracket using the
two 8 - 32 x 7/8 cap screws. Perform the same for the strap and sensor
switch on the right switch bracket.
17. Install the two 10 - 32 x 3/4 set screws into the left and right switch
bracket assemblies.
18. Apply Tetra grease (UIC # 40833820) to the shoulders of the four
shoulder screws and Loctite #222 (UIC # BLKM07389) to the screw
threads of the four shoulder screws.
19. Slide the compression springs onto the shoulders of the four shoulder
screws. Install the left switch bracket assembly to the plate using the
shoulder screws and compression springs with the springs above the
switch bracket. Perform the same for the right switch bracket assembly.
The adjustment of the switch bracket assemblies will be performed
during the board handling final set up procedure.
20. Install the front board guide to the plate using the two 10 - 32 x 5/8
cap screws and washers.
Page 50
T46230813 Rev. D DH Positioning System Assembly, P/T
This Document Supports Assembly 46230813 Rev. D
Preventive Maintenance Schedule
WARNING
Do not perform any preventive maintenance with power on unless
specifically instructed otherwise. Failure to observe this warning may
result in personal injury.
CAUTION
When performing machine maintenance, wear a wrist strap connected to
ground to prevent electrostatic discharge damage to printed circuit
boards.
Check: Perform Maintenance:
Check the rotary table
squareness Adjust as needed.
Check the rotary table air motor drive
wheel. Replace as needed.
Lubricate the rotary table lock assembly with
10w non-detergent oil.
Lubricate the actuator on the actuator
assembly with Kendall Super Blue grease.
Check: Perform Maintenance:
Flush and lubricate the X/Y ball bushings with
10w oil
Semiannual Maintenance (S): 36,000,000 Cycles
Check: Perform Maintenance:
Disassemble, clean and lubricate the rotary
table lock assembly per the assembly drawing.
Replace any worn parts.
Lubricate the X/Y ball lead screws with Kendall
Super Blue grease
Weekly Maintenance (W): 1,500,000 Cycles
Monthly Maintenance (M): 6,000,000 Cycles
