Adjust Roller

1. It may be helpful to refer to exploded view. (See Plunger Rollers, Scrapers, and Track Exploded View in this section.)

   
   E77737-UN-18DEC14

   A - Distance

   B - Roller (4 used)

   C - Upper Rail (2 used)

   D - Shims (as required)

   Verify distance (A) between top of rollers (B) and upper rail (C) is within specification for entire length of plunger stroke.

   Top of Plunger Roller-to-Upper Track	Distance	0.2—0.5 mm (0.008—0.02 in.)

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2. To adjust distance (A), loosen countersunk socket head cap screws to lower rail.

3. Add or remove shims (D) as required.

4. Tighten screws and recheck specification as described in Step 1.