Packing Replacement; Brass End-Seal Adjustment - Precision PMR Rotary Feeder Service Maintenance Manual

To adjust the knives, remove the access doors and loosen the 5/8" clamping bolts. Adjust the
knife position with the 3/8" adjustment screw on the back side of each clamp. Tighten the
clamping bolts per the correct torque, which is approximately 75-100 ft-lbs.
Knife Replacement
NOTE: BEFORE ANY INSPECTION OR MAINTENANCE, YOU MUST FOLLOW STANDARD 'LOCK-OUT/TAG-OUT'
PROCEDURES FOR ALL POWER SOURCES AS DEFINED BY OSHA. SEE WARNINGS
Dull, chipped, or cracked knives should be replaced immediately.
See Appendix #3 for knife dimensions and part numbers if you need to order replacement
knives.
If the knives are only worn to a dull condition, they may be re-sharpened. The proper angle on
the knife in a PMR rotary feeders is 43⁰.
Detailed instructions for replacing the knife in the PMR rotary feeder, can be found in Appendix
#4

Packing Replacement

NOTE: BEFORE ANY INSPECTION OR MAINTENANCE, YOU MUST FOLLOW STANDARD 'LOCK-OUT/TAG-OUT'
PROCEDURES FOR ALL POWER SOURCES AS DEFINED BY OSHA. SEE WARNINGS
When the packing no longer responds to adjustment (as described in the section "Bi-Monthly
Service") to seal the end bell at the shaft, the following steps should be followed to replace the
packing:
1. Remove the bolts from the packing gland, and slide the packing gland outward and up
against the bearing.
2. Clean out the packing gland area of the end bell.
3. Install two wraps of packing into the end bell (one on top of the other).
4. Reposition gland in the end bell, and sequentially tighten bolts until snug. Do not over
tighten.

Brass End-Seal Adjustment

The brass seals in the endbells are not as vulnerable to misalignment or tolerance variation as
are the knives and do not need adjusting as often. Clearances for the seals are set at the
Updated June 2018
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