6 General Maintenance
To Assemble the EI HES
160 5977C GC/MSD Operating Manual
To Assemble the EI HES
Materials needed
• Gloves, clean, lint-free
• Large (8650-0030)
• Small (8650-0029)
• T6 Torx driver, (8710-2548)
• Tweezers (8710-2460)
Procedure
Refer to the exploded parts view Figure 52 and the EI HES parts list Table 18 on
page 163 while using this procedure.
1 Assemble the five lenses inside the lens insulator. (See Figure 50 on
page 161.) The lens number is engraved into the outer circumference of each
lens.
a Starting with the entrance lens 1, set the lens into the end groove in the
lens insulator, and rotate the lens until you feel the ball seat into the
circular recess.
b Insert the next 4 lenses, in numerical order, into the lens insulator. The
lens chamber open end always faces the entrance lens 1. Rotate each
lens until you feel the ball seat into the circular recess.
It is easier to insert lens 5 on an angle because the lens stack at this
point makes the lens insulator less flexible.
Always wear clean gloves when working in the analyzer chamber to avoid
contamination.
Use care when inserting the lenses into the lens insulator casing. Putting
excessive stress on this casing can break or crack it. If this happens, do not
attempt to operate with a defective lens insulator, it must be replaced.