DE-STA-CO S/SM300A - Manual (Page 33)

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SECTION 8: Repair and Replace (continued)
8.4.11. Use proper driving force – where possible, an arbor press; otherwise, a dead blow
hammer to avoid popping the spring out of the seal. NEVER HAMMER DIRECTLY
ON THE SURFACE OF THE SEAL.
8.4.12. Bottom out the tool or seal – to avoid cocking of the seal in the bore. This also
positions the seal correctly on the shaft.
8.4.13. Check for parts interference – from other machine parts that might rub against the
seal causing friction and damaging heat.
8.5. Reducers
Typical Ferguson “R” Series Reducer
FIGURE 14