DE-STA-CO S/SM300A - Manual (Page 26)

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SECTION 8: Repair and Replace
8.1 Cam Follower Replacement – Models 162, 200, 250, 451, & 501.
8.1.1. Rotate camshaft to mid-dwell position. (See Figure 4)
8.1.2. Drain oil & remove rear access cover plate.
8.1.3. Remove cap screws from output shaft bearing cap and remove bearing retaining
cap. Save all of the shims for re-assembly.
8.1.4. Remove output shaft from housing by driving from rear with a soft mallet.
8.1.5. Remove outer Timken bearing race from bearing cap and save for re-assembly.
8.1.6. Determine the type of cam follower from the following diagrams and replace using
the procedure in the diagram.
8.1.7. Replace output shaft back into the housing and drive outer race of front bearing
into the housing until it seats against rollers of inner race.
8.1.8. Assemble bearing cap to housing with all of the original shims (or a new set with
the same thickness). Tighten all cap screws.
8.1.9. Scrape old sealant from housing and rear access cover. Apply new silicone rubber
sealant and assemble rear access cover to housing. Tighten all screws evenly.
8.1.10. Refill with oil to level indicated.
8.2. Cam Follower Replacement – Model FD300
8.2.1. Drain oil and remove top access cover.
8.2.2. Rotate camshaft so cam follower is directly below access opening.
8.2.3. Determine the type of cam follower from the following diagrams and replace using
the procedure in the diagram.
8.2.4. Scrape old sealant from access cover and housing.
8.2.5. Apply new silicone rubber sealant and assemble top access cover to housing.
Tighten all screws evenly
8.2.6. Refill with oil to level indicated