5-11. REPLACE/INSPECT IMPELLER,
WEAR PLATE, SHAFT SEAL,
AND SHAFT ADAPTER.
This task covers:
Tool Kit, General Mechanics (Item 1,
Flywheel and cooling case
Shaft Seal, 13200E8806
a. Remove impeller locking bolt (1) and teflon washer (2).
b. Unscrew impeller (3) in a counterclockwise direction.
It may be necessary to use a small wood block and the rubber mallet to tap the Impeller vanes so Impeller
c. Remove shims (4) and spring and spring seat [part of seal assembly (5), the seal will remain In the shaft adapter].
d. Remove wear plate (6) by removing bolts (7). Remove and discard O-ring (8).
e. Remove shaft adapter (9) and seal, discard shaft seal.
a. Inspect impeller for damage or wear
b. Inspect wear plate for damage or wear.
a. Install wear plate (6) with screws (7).
b. Install new O-ring (8) between pump casing (10) and wear plate (6)